OBS Studio (also Open Broadcaster Software or OBS, for short) is a free and open-source app for screencasting and live streaming. Written in C/C++ and built with Qt, OBS Studio provides real-time capture, scene composition, recording, encoding, and broadcasting via Real Time Messaging Protocol (RTMP), HLS, SRT, RIST or WebRTC. It can stream videos to any RTMP-supporting destination, including YouTube, Twitch, Instagram and Facebook.[11] For video encoding, OBS Studio can use the x264 transcoder
Linux is a mostly POSIX-compliant Unix-inspired operating system kernel, originally implemented by Linus Torvalds and now maintained as an international project. It's the base and common namegiver to a wide array of Linux distributions. The kernel provides all modern Unix-y features, like true process multitasking, virtual memory, virtual and clustered filesystem support, complex networking and extensive support for various hardware and machine platforms.
Gradle is an open-source build automation tool focused on flexibility and performance. Gradle build scripts are written using a Groovy or Kotlin DSL.
QRadioLink is a Linux software defined radio transceiver application using VOIP for inter-communication, built on top of GNU radio, which allows experimenting with software defined radio hardware using different digital and analog radio signals and a friendly user interface. Its primary purpose is educational, but it can also be customized for low power data communications on various frequency bands. It can also be used as an amateur radio SDR transceiver for demonstrating radio communications
Schism Tracker is a free and open-source reimplementation of Impulse Tracker, a program used to create high quality music without the requirements of specialized, expensive equipment, and with a unique "finger feel" that is difficult to replicate in part. The player is based on a highly modified version of the ModPlug engine, with a number of bugfixes and changes to improve IT playback.
ossia score is a sequencer for audio-visual artists, designed to create interactive shows. Sequence OSC, MIDI, DMX, sound, video and more, between multiple software and hardware, create interactive and intermedia scores and script with JavaScript, PureData or C++ to customize your score. Free, open source and runs on desktop, mobile, web and embedded.
PipeWire is a project that aims to greatly improve handling of audio and video under Linux. It aims to support the usecases currently handled by both PulseAudio and Jack and at the same time provide same level of powerful handling of Video input and output. It also introduces a security model that makes interacting with audio and video devices from containerized applications easy, with supporting Flatpak applications being the primary goal. Alongside Wayland and Flatpak we expect PipeWire to pro
Libinklevel is a library that checks the status of printer ink levels. It works on Linux and FreeBSD. Supported are HP, Epson and Canon printers attached per USB. Canon BJNP network printers are supported too.
Expat is a stream-oriented XML parser library written in C99. It excels with files too large to fit RAM, and where performance and flexibility are crucial. There are a number of applications, libraries and hardware using Expat, as well as bindings and 3rd-party wrappers. Expat is packaged everywhere.
NETGEN is an automatic 3d tetrahedral mesh generator. It accepts input from constructive solid geometry (CSG) or boundary representation (BRep) from STL file format. The connection to a geometry kernel allows the handling of IGES and STEP files. NETGEN contains modules for mesh optimization and hierarchical mesh refinement. Netgen 6.x supports scripting via a Python interface.
Ccache is a compiler cache. It speeds up recompilation by caching previous compilations and detecting when the same compilation is being done again. Features Supports GCC, Clang, MSVC (Microsoft Visual C++) and other similar compilers. Works on Linux, macOS, other Unix-like operating systems and Windows. Understands C, C++, assembler, CUDA, Objective-C and Objective-C++. Supports remote caching over HTTP (e.g. using Nginx or Google Cloud Storage), Redis or NFS, optionally sharding data onto a
Gwyddion is a modular SPM (Scanning Probe Microsope) data visualization and analysis tool. It can be used for all most frequently used data processing operations including: leveling, false color plotting, shading, filtering, denoising, data editing, integral transforms, grain analysis, profile extraction, fractal analysis, and many more. The program is primarily focused on SPM data analysis (e.g. data obtained from AFM, STM, NSOM, and similar microscopes). However, it can also be used for analyz
gRPC is a modern, open source, high-performance remote procedure call (RPC) framework that can run anywhere. gRPC enables client and server applications to communicate transparently, and simplifies the building of connected systems.
* Fixes missing ${DESTDIR} in some Makefiles.
If you are not familiar with Open Inventor, it is a scene graph based, retained mode, rendering and model manipulation, C++ class library, originally designed by SGI. It quickly became the de facto standard graphics library for 3D visualization and visual simulation software in the scientific and engineering community after its release. It also became the basis for the VRML1 file format standard. Several books exists on the subject of Open Inventor, most notably The Inventor Mentor, and The Inve
A sound designer's dream. A friendly, open community. Featuring many synthesis techniques, a great selection of filters, a flexible modulation engine, a smorgasbord of effects, and modern features like MPE and microtuning.
Gromit-MPX is an on-screen annotation tool that works with any Unix desktop environment under X11 as well as Wayland. Its main use is for making presentations of some application. Normally, you would have to move the mouse pointer around the point of interest until hopefully everybody noticed it. With Gromit-MPX, you can draw everywhere onto the screen, highlighting some button or area. Key features include: Desktop-independent. Gromit-MPX works with GNOME, KDE, XFCE, ... under X11 (every
ImageMagick® is software toolset and library to create, edit, compose, or convert bitmap images. It supports easy cropping, resizing and distorting, combining and morphing, colorizations, animations, applying effects or decorations, adding text, polygons and Bézier curves. Supported image formats include PNG, JPEG, JPEG-2000, GIF, SVG, TIFF, DPX, EXR, PDF and Postscript. IM is comprised of the command line tools convert, identify, mogrify, composite, montage, compare, stream, display (with edi
rmw (ReMove to Waste) is a trashcan/recycle bin utility for the command line. It can move and restore files to and from directories specified in a configuration file, and can also be integrated with your regular desktop trash folder (if your desktop environment uses the FreeDesktop.org Trash specification). One of the unique features of rmw is the ability to purge items from your waste (or trash) directories after x number of days.
WirePlumber is a modular session / policy manager for PipeWire and a GObject-based high-level library that wraps PipeWire’s API, providing convenience for writing the daemon’s modules as well as external tools for managing PipeWire. The WirePlumber daemon implements the session & policy management service. It follows a modular design, having plugins that implement the actual management functionality. The WirePlumber Library provides API that allows you to extend the WirePlumber daemon, to writ
Core Features of ParaView Displaying Data -You can create different views to visualize data simultaneously and easily identify corresponding data elements. These views can also be customized (e.g. creating C++ plugins to add new types of views). Filtering Data Transform your data to generate visualizations that are easier to understand using ParaView filters. While an extensive list of filters is already provided, you can add custom filtering operations through Python scripting via a plugin or
Cairo is a 2D graphics library with support for multiple output devices. Currently supported output targets include the X Window System (via both Xlib and XCB), Quartz, Win32, image buffers, PostScript, PDF, and SVG file output. Cairo is designed to produce consistent output on all output media while taking advantage of display hardware acceleration when available (eg. through the X Render Extension). The cairo API provides operations similar to the drawing operators of PostScript and PDF. Ope
BallroomDJ 4 is a ballroom music player. It is designed to play music the entire evening without intervention. Manage your ballroom dance music and create song lists, automatic playlist and sequenced playlists. BallroomDJ 4 is the replacement for BallroomDJ.
Praat is a speech analysis tool used for doing phonetics by computer. Praat can analyse, synthesize, and manipulate speech, and create high-quality pictures for your publications. Praat was created by Paul Boersma and David Weenink of the Institute of Phonetics Sciences of the University of Amsterdam. Some of Praat’s most prominent features are: Speech analysis Speech synthesis Speech labelling Grammar models Statistical analysis
libUseful is a general 'C' library providing useful functions related to: resizable strings, lists and maps, unix and tcp sockets, SSL/TLS, cryptographic hashes, parsing of json, yaml and other markup languages, terminal output including ANSI/vt100 escape sequences, OAuth 2.0, etc, etc.
pv ("Pipe Viewer"), a terminal-based tool for monitoring the progress of data through a pipeline. It can be inserted into any normal pipeline between two processes to give a visual indication of how quickly data is passing through, how long it has taken, how near to completion it is, and an estimate of how long it will be until completion.
Rspamd is an advanced spam filtering system featuring support for various internal and external filters such as regular expressions, suffix tries, RBLs, URL black lists, IP lists, SPF, DKIM, character maps, advanced statistics module (based on OSB-Bayes algorithm) and fuzzy hashes database that is generated based on honeypots traffic. Rspamd is designed to process hundreds of messages per second simultaneously without significant CPU load.
CopyQ is clipboard manager – a desktop application which stores content of the system clipboard whenever it changes and allows to search the history and copy it back to the system clipboard or paste it directly to other applications.
Xcoral is a multiwindow mouse-based text editor for Unix and X Window System. Syntax highlighting and auto-indentation are available. A built-in browser enables you to navigate through C functions, C++ and Java classes, methods and files. A SMall Ansi C Interpreter (Smac) is also built-in to dynamically extend the editor's possibilities (user functions, key bindings, modes etc). Xcoral provides regions and marks, kill-buffers, macros system and unlimited undo.
Asterisk is an open source framework for building communications applications. Asterisk turns an ordinary computer into a communications server. Asterisk powers IP PBX systems, VoIP gateways, conference servers and other custom solutions. It is used by small businesses, large businesses, call centers, carriers and government agencies, worldwide. Asterisk is free and open source.
BRL-CAD is a powerful cross-platform open source combinatorial solid modeling system that includes an interactive 3D solid geometry editor, a network-distributed symmetric multiprocessing (SMP) high-performance ray-tracer with support for rendering and geometric analysis, image and signal-processing tools, a system performance analysis benchmark suite, a flexible geometry scripting interface, and a high-performance geometric representation and analysis library.
CMOC is a 6809-generating cross-compiler for a large subset of the C language. It produces executables for the Motorola 6809 processor to be used under the Tandy Color Computer Disk Basic environment, OS-9 and others. It runs under GNU/Linux and other Unix-like environments.
Xfdesktop manages the root window for the XFCE4 desktop environment. It basically displays the background, shows desktop icons, implements the virtual desktop switching, and the root context and application menu.
projectM - The most advanced open-source music visualizer Experience psychedelic and mesmerizing visuals by transforming music into equations that render into a limitless array of user-contributed visualizations. projectM is an open-source project that reimplements the esteemed Winamp Milkdrop by Geiss in a more modern, cross-platform reusable library. Its purpose in life is to read an audio input and to produce mesmerizing visuals, detecting tempo, and rendering advanced equations into a lim
timediff is a simple command-line utility that reads text prefixed with a timestamp, and prints the time difference between one line and the next. It was created for use in industrial automation environments to investigate which process steps are slowest or detect abnormal delays.
7-Zip is a file archiver with a high compression ratio. The main features of 7-Zip High compression ratio in 7z format with LZMA and LZMA2 compression Supported formats: Packing / unpacking: 7z, XZ, BZIP2, GZIP, TAR, ZIP and WIM Unpacking only: APFS, AR, ARJ, CAB, CHM, CPIO, CramFS, DMG, EXT, FAT, GPT, HFS, IHEX, ISO, LZH, LZMA, MBR, MSI, NSIS, NTFS, QCOW2, RAR, RPM, SquashFS, UDF, UEFI, VDI, VHD, VHDX, VMDK, XAR and Z. For ZIP and GZIP formats, 7-Zip provides a com
TurboVNC is a performance-oriented version of the VNC remote desktop connection protocol, based on TightVNC, x4vnc, TigerVNC, and X.org. It provides 3D rendering and VirtualGL compression, works well on video and image-intensive connections. It remains fully compatible to other implementations, but often requires less than a fifth processing power. A Java-based VNC viewer is also available
Gambas is an IDE and BASIC interpreter with object-oriented extensions. It's designed to ease building graphical applications programs using Gtk+ or Qt, and runs on most Unix and Linux systems. With its runtime standalone applications can be packaged, even command-line programs. The Gambas3 JIT-compiling interpreter often executes faster than Perl or Python apps. It also supports SDL, OpenGL and OpenAL, MySQL or PostgreSQL databases, CGI webserver interfacing,
HandBrake is a video file conversion tool. It supports nearly all formats, can transcode media files and codecs for various platforms, players and devices (includes a user-friendly target list to select from). It has an uncomplicated interface and is available cross-platform.
Geeqie is a free open software image viewer and organiser program for Linux, FreeBSD and other Unix-like operating systems
Native Docker-like solution for macOS developed by Okerew. It has it own containers. It leverages native macOS features to provide containerization capabilities, albeit with some limitations compared to Docker.
OpenBLAS is an optimized BLAS (Basic Linear Algebra Subprograms) library based on GotoBLAS2 1.13 BSD version.
Asterisk is an open source framework for building communications applications. Asterisk turns an ordinary computer into a communications server. Asterisk powers IP PBX systems, VoIP gateways, conference servers and other custom solutions. It is used by small businesses, large businesses, call centers, carriers and government agencies, worldwide. Asterisk is free and open source.
Asterisk is an open source framework for building communications applications. Asterisk turns an ordinary computer into a communications server. Asterisk powers IP PBX systems, VoIP gateways, conference servers and other custom solutions. It is used by small businesses, large businesses, call centers, carriers and government agencies, worldwide. Asterisk is free and open source.
Asterisk is an open source framework for building communications applications. Asterisk turns an ordinary computer into a communications server. Asterisk powers IP PBX systems, VoIP gateways, conference servers and other custom solutions. It is used by small businesses, large businesses, call centers, carriers and government agencies, worldwide. Asterisk is free and open source.
HomeBank helps managing your personal accounting. It's designed for ease of use, and quickly analyzing and tracking your personal finances in detail, has filtering tools and pretty graphing. It can import from Quicken, MS Money, bank statements as OFX, QIF, CSV and QFX. HomeBank also detects duplicate transactions, auto-numbers cheques, handles bank, cash, asset, credit and liability account types, can schedule transactions, internel transfers, and so forth.
Courier is a mail transfer agent (MTA) and groupware server. It implements IMAP, ESMTP, POP3, LDAP, SSL, HTTP, iCal. It also provides mailing list management, filtering, maildirs storage, and a webmail interface with calendaring and scheduling.
Haxe is an cross-language development toolkit. It implements a modern, high level, strictly typed programming language. Comes with a cross-compiler for multiple target languages (iOS, Android, Java, C++, C#, HTML5, NodeJS, Python, PHP, Lua). It brings along its own standard library, but still provides ways to access each platforms native capabilities.
GraphicsMagick is the swiss army knife of image processing. Comprised of 267K physical lines (according to David A. Wheeler's SLOCCount) of source code in the base package (or 1,225K including 3rd party libraries) it provides a robust and efficient collection of tools and libraries which support reading, writing, and manipulating an image in over 89 major formats including important formats like DPX, GIF, JPEG, JPEG-2000, PNG, PDF, PNM, TIFF, and WebP. Image processing is multi-threaded using O
The libvirt project: is a toolkit to manage virtualization platforms is accessible from C, Python, Perl, Go and more is licensed under open source licenses supports KVM, Hypervisor.framework, QEMU, Xen, Virtuozzo, VMWare ESX, LXC, BHyve and more targets Linux, FreeBSD, Windows and macOS is used by many applications
The libvirt project: is a toolkit to manage virtualization platforms is accessible from C, Python, Perl, Go and more is licensed under open source licenses supports KVM, Hypervisor.framework, QEMU, Xen, Virtuozzo, VMWare ESX, LXC, BHyve and more targets Linux, FreeBSD, Windows and macOS is used by many applications
As it is often the case with network applications, GNUnet is built following a single-threaded event-driven model. This is an optimal model when dealing with high concurrency scenarios, but can be problematic in other contexts (like, for example, graphical user interfaces, which normally have their own event loop). To accomplish its event-driven flow, GNUnet uses a scheduler. Once such scheduler is started, it is not designed to be invoked by other threads, but can schedule only routines reques
Snd is a sound editor modelled loosely after Emacs. It can be customized and extended using either s7 (included in the Snd sources), Ruby, or Forth.
FFmpeg is the leading framework for decoding, encoding, transcoding, muxing, demuxing, streaming, filtering and playing pretty much any media format. It supports widespread and standardized, proprietary and fringe file formats and encodings. It's comprised of the ffmpeg, ffserver, ffplay and ffprobe utilities. But also provides libavcodec, libavutil, libavformat, libavfilter, libavdevice, libswscale and libswresample for application use. Its primary development attention is on security.
sox_ng is another Swiss Army Knife of sound processing utilities. It can convert audio files to other popular audio file types and also apply sound effects and filters during the conversion.
FreeRDP is a free implementation of the Remote Desktop Protocol (RDP), released under the Apache license. Enjoy the freedom of using your software wherever you want, the way you want it, in a world where interoperability can finally liberate your computing experience.
Git is a distributed version control system, originally designed for Linux kernel development and large projects with non-linear workflows. It's comprised of individual tools, reuses ssh and rsync protocols, emphasises speed and data integrity, and keeps every checkout as full-fledged repository, and cryptographically authenticates source history. Various graphical frontends, IDE integrations and web services (GitHub) exist; with its git-fast-export format meanwhile serves interoperability with
libass is a portable subtitle renderer for the ASS/SSA (Advanced Substation Alpha/Substation Alpha) subtitle format. It is mostly compatible with VSFilter.
SciPy (pronounced "Sigh Pie") is an open-source software for mathematics, science, and engineering. It includes modules for statistics, optimization, integration, linear algebra, Fourier transforms, signal and image processing, ODE solvers, and more. SciPy is built to work with NumPy arrays, and provides many user-friendly and efficient numerical routines, such as routines for numerical integration and optimization. Together, they run on all popular operating systems, are quick to install, and
Ncdu is a disk usage analyzer with an ncurses interface. It is designed to find space hogs on a remote server where you don’t have an entire graphical setup available, but it is a useful tool even on regular desktop systems. Ncdu aims to be fast, simple and easy to use, and should be able to run in any minimal POSIX-like environment with ncurses installed.
Qucs-S is a circuit simulation program based on Qucs circuit simulator. The "S" letter indicates SPICE. The purpose of the Qucs-S project is to use free SPICE circuit simulation kernels with the GUI based on Qt toolkit. It merges the power of SPICE and the simplicity of the Qucs GUI. Qucs-S is not a simulator by itself, but it requires to use an external simulation backend with it. Qucs-S allows to use the following open-source simulation kernels: Ngspice is recommended to use. Ngspice is powe
Hashrat is a command-line utility that hashes things using md5, sha1/256/512, whirlpool and jh hash algorithms. It's written in C with few dependancies (basically just the standard C library). It can read input from standard in and hash it, either as a complete file, or line-by-line. It can recursively hash files on disk, either outputing hashes to stdout, or storing them in filesystem attributes, or in a memcached server. It can check files against a list of hashes supplied on stdin, or in t
strace is a diagnostic, debugging and instructional userspace utility for Linux. It is used to monitor and tamper with interactions between processes and the Linux kernel, which include system calls, signal deliveries, and changes of process state. The operation of strace is made possible by the kernel feature known as ptrace.
MKVToolNix is a tool collection for manipulating Matroska video (MKV) files. It can mux/demuc, split/merge, edit, inspect or create them, or convert from AVI, MP4, OGM, Dirac, h264 fromats. It supports common encodings and subtitle formats, runs on Linux, Windows and Max OS X.
GNU Astronomy Utilities (Gnuastro) is an official GNU package consisting of various programs and library functions for the manipulation and analysis of astronomical data. All the programs share the same basic command-line user interface for the comfort of both the users and developers. Gnuastro is written to comply fully with the GNU coding standards so it integrates finely with the GNU/Linux operating system. This also enables astronomers to expect a fully familiar experience in the source code
Elm Millennium Edition 2.5 (or Elm ME+ 2.5) is based on Elm 2.4 and incorporates some code from Elm 2.5. It contains enhanced MIME and character set support. A subset of UTF-8 (Unicode) is handled. It can read mail from a local mbox and POP or IMAP folders and can pass mail to the PGP or GPG programs. It can also view digests as a mailbox and reassemble fragmented (message/partial) messages. It includes modules for TLS/SSL, iconv, resolv, and SMTP.
FileZilla is a feature-rich FTP, FTPS and SSH FTP client, with support for all major plattforms. All tools are designed to aid moving and synchronizing files between local and remote file or webservers. It even allows multi-target uploading or editing files in-place. FileZilla also sports IPv6, a tabbed interface, resuming up and downloads, transfer speed limits, large files over 4GB, server and bookmark management, drag and drop, filtering, HTTPS / SOCKS5 / FTP proxying, and remote file searchi
GDB is a source-level debugger for Ada, C, C++, Objective-C, Pascal and many other compiled languages. It can debug running processes on more than a dozen different processor architectures. It's itself ported to most BSD/ and GNU/Linux, Unix and Microsoft Windows systems.
GnuCash is a personal finance and small-business accounting software. It provides a check-book like register GUI to enter and track bank accounts, stocks, income and expenses, for double-entry accounting. It also allows to manage stock/bond/mutual fund accounts, generate graphs and reports, supports QIF/OFX/HBCI import, and transaction matching, common calculations and scheduling. It's still simple to use.
OpenSSH is a BSD/Linux implementation of SSH1 and SSH2 for encrypted terminal connections, tunneling and file transfers. It includes the sshd server, scp and sftp, and various utility tools such as ssh-add, ssh-agent, ssh-keysign, ssh-keyscan, ssh-keygen, and the sftp-server.
OpenSnitch is a GNU/Linux application firewall. Key features Interactive outbound connections filtering. Block ads, trackers or malware domains system wide. Ability to configure system firewall from the GUI (nftables). Configure input policy, allow inbound services, etc. Manage multiple nodes from a centralized GUI. SIEM integration
A hierarchical note taking application, featuring rich text and syntax highlighting, storing data in a single xml or sqlite file. Features: rich text formatting and colorization, syntax highlighting, images handling, embedded files, lists handling, simple tables, codeboxes, text/image/table alignment, hyperlinks, spell checking, cross application copy/paste, export to html or plain text, table-of-contents generation, extensive search function. It can import from Basket, Cherrytree, Epim html, G
HarfBuzz is a text shaping engine. It primarily supports OpenType, but also Apple Advanced Typography. HarfBuzz is used in Android, Chrome, ChromeOS, Firefox, GNOME, GTK+, KDE, LibreOffice, OpenJDK, PlayStation, Qt, XeTeX, and other places.
A planetarium software that renders a 3D simulation of the night sky. * default catalogue of over 600,000 stars * extra catalogues with more than 177 million stars * default catalogue of over 80,000 deep-sky objects * extra catalogue with more than 1 million deep-sky objects * asterisms and illustrations of the constellations * constellations for 20+ different cultures * images of nebulae (full Messier catalogue) * realistic Milky Way * very realistic atmosphere, sunrise and sunset * the plane
NetworkManager attempts to keep an active network connection available at all times. The point of NetworkManager is to make networking configuration and setup as painless and automatic as possible. NetworkManager is intended to replace default route, replace other routes, set IP addresses, and in general configure networking as NM sees fit (with the possibility of manual override as necessary). In effect, the goal of NetworkManager is to make networking Just Work with a minimum of user hassle
Qsynth is a fluidsynth GUI front-end application written in C++ around the Qt framework using Qt Designer. Eventually it may evolve into a softsynth management application allowing the user to control and manage a variety of command line softsynth but for the moment it wraps the excellent FluidSynth. FluidSynth is a command line software synthesiser based on the Soundfont specification. Qsynth is free, open-source software, distributed under the terms of the GNU General Public License (GPL) ver
EditorConfig keeps coding-style configurations consistent across different text editors and IDEs. It transcribes a custom and per-directory .editorconfig, and plugins for common editors. It supports AppCode, ATOM, Brackets, Code::Blocks, Emacs, Geany, gedit, jEdit, Notepad++, IntellijIDEA, PhpStorm, Pycharm, RubyMine, Sublime Text, textmate, Vim, Visual Studio, and WebStorm.
Gittyup is a graphical Git client designed to help you understand and manage your source code history. Gittyup is an open source software developed by volunteers.
CAWT is a TWAPI-based TCL utility package to interact with COM interfaces on Windows systems. It provides specialised bindings for Word, Excel, PowerPoint, MSIE, Outlook, Matlab, and Google Earth.
Pango is a library for layout and rendering of text, with an emphasis on internationalization. Pango can be used anywhere that text layout is needed; however, most of the work on Pango so far has been done using the GTK widget toolkit as a test platform. Pango forms the core of text and font handling for GTK. Pango is designed to be modular; the core Pango layout can be used with different font backends. There are three basic backends, with multiple options for rendering with each. Client-side
The package-update-indicator utility regularly checks for software updates and notifies the user about available updates using desktop notifications and either a status notifier icon or a system tray icon.
An MP4 tagging library where all tags can be accessed and modified and any tags, unknown tags or custom tags are never lost when the audio file is updated. A list of known tags is only used when new tags are added.
VLC is a simple, fast and powerful media player with desktop and mobile cross-platform support. It can use files, network streams, CD and DVDs, webcams, DVB-T and other devices for playing. It supports a plethora of video formats like MPEG, DivX, H.263, H.264, H.265, VP9, MKV, WebM, WMV, MP3, AAC, MOD variants, FLAC, Vorbis, Theora, Dirac, FLV, MXF, and other encodings or meta formats (subtitles). It doubles as player and streaming server, and recording or transcoding and conversion tool.
Scid vs. PC is a continuation of Shane's Chess Information Database, which provides a chess toolkit, move database, analysis tools, various chess AI engine bindings or to online servers. It remains database-compatible but adds many usability and feature enhancements, such as a tournament game mode, an overhauled GUI, new gamelists, rating graphs, other analysis engines, and drag and drop support on all platforms.
Gmsh is an open source 3D finite element mesh generator with a built-in CAD engine and post-processor. Its design goal is to provide a fast, light and user-friendly meshing tool with parametric input and flexible visualization capabilities. Gmsh is built around four modules (geometry, mesh, solver and post-processing), which can be controlled with the graphical user interface, from the command line, using text files written in Gmsh's own scripting language (.geo files), or through the C++, C, Py
The GFXReconstruct project provides tools for the capture and replay of graphics API calls, allowing the graphics commands executed by an application to be recorded to a file that may later be replayed to reconstruct the graphics-specific behavior of the captured application. The replay code has been organized with a framework design to make it easy to create additional tools for processing capture files. The GFXReconstruct components currently provided with this repository are: The VK_LAY
OPENMODELICA is an open-source Modelica-based modeling and simulation environment intended for industrial and academic usage. Its long-term development is supported by a non-profit organization – the Open Source Modelica Consortium (OSMC). An overview journal paper is available and slides about Modelica and OpenModelica. The goal with the OpenModelica effort is to create a comprehensive Open Source Modelica modeling, compilation and simulation environment based on free software distributed in b
A simple graphical JACK patchbay that tries to unite the best of both worlds: Fast patching and uncluttered port representation of a matrix patchbay Excellent representation of signal flow of a flow canvas patchbay It additionally features tightly embedded graphical mixer clients automatable with JACK MIDI/OSC.
tesseract-ocr is an OCR engine originally developed by Hewlett Packard and now sponsored by Google. It is highly accurate and will read a binary, gray, or color image and output text.
ClamAV is an anti-virus engine, which is commonly used for email and web scanning, or gateway and fileserver securing. It provides a command-line scanner, a sendmail milter, automatic signature database updates, built-in support for many archiving and container or mail encoding formats, scanning standard ELF and compressed executables, as well as common office document formats.
SDL_bgi is a graphics library (`GRAPHICS.H`) for C, C++, WebAssembly, and Python. SDL_bgi is fully compatible with BGI, the Borland Graphics Interface that was the de-facto standard in PC graphics back in DOS days. It's very easy to use, pretty fast, and it also provides extensions for ARGB colours, mouse support, vector fonts, and turtle graphics. It should run on any platform supported by SDL2.
Pencil2D is a free and open source animation/drawing software for Windows, macOS, Linux, and FreeBSD. It lets you create traditional hand-drawn animation (cartoon) using both bitmap and vector graphics. Pencil2D is a community-driven project developed entirely by volunteers and we are always looking for more helping hands! There are many different ways to contribute, so anyone can help regardless of their background.
Audacity is a multi-track audio and sound editor. It can also record from various input devices, up to 24bit wavelength, using ALSA or JACK with latencies up to 384kHz. All common audio formats and encodings such as WAV, AIFF, AU, FLAC, OGG Vorbis, GSM, MP2, MP3, AC3, M4A/M4R (AAC) and WMA are supported. Audio layers allow cutting, editing, and applying or layering a wide range of effects. And Audacity is also cross-platform.
Nmap ("Network Mapper") is a network utility for service discovery, monitoring and security auditing. Nmap utilizes raw IP packets for host discovery, port scanning, OS fingerprinting, firewall probing, and generating various statistics. It permits inspecting large network ranges but also works for single server checks. It's cross-platform compatible and also provides a X11 reporting GUI with Zenmap, and Ncat for data transfer and debugging, Ndiff for result comparison, and Nping for response an
Fossil is a distributed version control system, quite robust and easy to use. It manages local and remote repositories, user permissions, has a built-in wiki, bugtracker, release blog and an extendable web interface. It's github-in-a-box as all features are packed into a stand-alone executable which also doubles as server. Internally the database utilizes SQLite and allows extending that or its user interface through TCL or the builtin TH1 scripting language. An optional JSON API permits further
Apache Guacamole is a clientless remote desktop gateway. It supports standard protocols like VNC, RDP, and SSH. We call it clientless because no plugins or client software are required. Thanks to HTML5, once Guacamole is installed on a server, all you need to access your desktops is a web browser.
Cppcheck is a static analysis tool for C/C++ code. It doesn't look for syntax errors, but for bugs that a compilation steps would not normally detected. It provides out of bounds checking, checking the code for each class, exception safety, memory leaks checking, warnings for obsolete function usage, invalid usage of STL, and tests for uninitialized variables and unused functions. There are IDE and VCS bindings for Code::Block, CodeLite, Eclipse, gedit, Hudson, Jenkins, Mercurial, Tortoise SVN,
Python is an interpreted and object-oriented programming language. It runs on many plattforms and its powerful yet coherent syntax makes it well-suited for experts and beginners. It's strongly-typed and dynamic, provides for modules, polymorphic classes, exceptions, and high level data types and control structures. Bindings exists for a wide range of libraries, such as system interfaces, windowing and graphical toolkits. Modules exist for high-level mathematic and scientific applications, text p
mpv is a free (as in freedom) media player for the command line. It supports a wide variety of media file formats, audio and video codecs, and subtitle types. Scripting Powerful scripting capabilities can make the player do almost anything. There is a large selection of user scripts on the wiki. On Screen Controller While mpv strives for minimalism and provides no real GUI, it has a small controller on top of the video for basic control. High quality video output mpv has an OpenGL, Vulkan, an
GPlates is a plate tectonics program. Manipulate reconstructions of geological and paleogeographic features through geological time. Interactively visualize vector, raster and volume data. PyGPlates is the GPlates Python library. Get fine-grained access to GPlates functionality in your Python scripts.
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