The stunnel program works as SSL encryption wrapper between remote and local network sockets or inetd-started daemons. It adds SSL or TLS functionality to any network service, commonly POP3, IMAP or HTTP servers. Stunnel uses OpenSSL for cryptography. It can itself function as port redirection deamon, or as temporary traffic interceptor, and requires no adaption of the shadowed programs.
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.
Detroit is a POSIX platform abstraction layer for creating small and portable desktop applications. Detroit offers simple widgets, even more simpler menu system and extensible DSL language in its core.
Cinnamon is a traditional graphical desktop for BSD/Linux and X11, derived from GNOME. It extends the Shell with a panel styled after GNOME 2, but adds more recent functionality, backend and application bindings. It provides MDM, a login manager, networking and bluetooth applets, virtual workspaces, theming, desktop icons, portable keybindings, Qt-theme bridging, visual effects, and a configuration center. It's the default desktop environment for Linux Mint, but packaged for many other distri
VICE is a program that runs on a Unix, DOS, Win32, OS/2, BeOS, Amiga or Mac OS X machine and executes programs intended for the old 8-bit computers. The current version emulates the C64, the C64DTV, the C128, the VIC20, practically all PET models, the PLUS4 and the CBM-II (aka C610/C510). An extra emulator is provided for C64 expanded with the CMD SuperCPU. VICE is *free* software released under the GNU General Public License, and as such it comes with full source code.
cpuid dumps detailed information about the CPU(s) gathered from the CPUID instruction, and also determines the exact model of CPU(s) from that information.
Pale Moon is a web browser derived from Firefox. It's not just a repackaged variant, but progresses with its own XUL-based interface focused on ease of use, but still incorporates latest Firefox technologies and supports many browser extensions.
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.
Firejail is a security sandbox tool, which utilizes Linux 3.x namespaces to setup restricted environments for untrusted applications. It works for console and graphical applications, servers, or even login sessions; by assigning them and their subprocesses a private view of globally shared kernel resources. Firejail isolates mount points, adds chrooting, filesystem writability or overlays, sandbox filesystem sharing, networking stack and firewall isolation, constrains interprocess communication,
BuildAMation is an open source build system and project generator for Windows, Linux and macOS desktop software development in C/C++. It has a declarative markup language based on C# runtime compilation (using Mono on Linux and macOS), and has a plugin system to implement different backends, such as multi-threaded command line builds, VisualStudio or Xcode project generation, or MakeFiles. Common compiler/linker/archiver settings are exposed via C# properties, so you can configure the build usin
Wine is an implementation of the Windows API on top of X and Unix. It does not require Microsoft Windows, but can use native Windows DLLs if they are available. It provides both a development toolkit for porting Windows source code to Unix as well as a program loader, allowing many unmodified Windows programs to run on x86-based Unixes.
VirtualBox is a full x86 hardware virtualizer, suitable for server, desktop and embedded usage. It's extremely feature-rich, emulates lots of individual and alternative hardware and devices, supports different virtual machine disk formats, it's cross-platform and supports ancient and current Windows versions, DOS systems, BSD, Solaris and OS/2 as guest operating system.
XHP is Facebooks extension to utilize XML fragments and structures directly within PHP source code. Which allows simpler document construction, processing, and sane variable interpolation without having to use DOM functions. It also permits to declare custom :xml:object classes for even quicker templating. Previous versions are available for Zend/PHP5.
dte is a small and easy to use console text editor. Colors and bindings can be fully customized to your liking. It has some features useful to programmers, like ctags support and it can parse compiler errors, but it does not aim to become an IDE.
Npgsql is a .NET data provider for Postgresql 9.0 and later. It's implemented completely in C# 3.0 and thus does not require a client library. Allows complete database querying and CRUD interaction, has some support for ADO.NET 2.0, provides logging support, allows :colon or @prefix parameter binding, and native large object support.
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.
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
GNU wget is a HTTP and FTP downloading and mirroring tool for the command line. It provides various options and complete HTTP support. It supports REST and RANGE requests for partial and continuous downloads, can use wildcards for mirroring complete websites, converting HTML references to relative links, use HTTP cookies, proxies, persistent connections, background processing, and can compare files prior downloading.
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
ivykis is a library for asynchronous I/O readiness notification. It is a thin, portable wrapper around OS-provided mechanisms such as /dev/poll, epoll_create(2), kqueue(2), poll(2), and port_create(3C). ivykis was mainly designed for building high-performance network servers, but can be used as building block for any kind of event-driven application that uses poll(2)able file descriptors as its inputs.
Cross-platform C library for reading values from and writing values to .xlsx files. XLSX I/O aims to provide a C library for reading and writing .xlsx files. The .xlsx file format is the native format used by Microsoft(R) Excel(TM) since version 2007. The library was written with the following goals in mind: - primary focus on data values organized in tables, on not layout or graphics - written in standard C, but allows being used by C++ - simple interface - small footprint - portable across d
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.
Picotm is a system-level transaction manager. It provides transactional semantics for low-level and operating-system functionality. It’s flexible and extensible to cover exactly your requirements. Error handling and thread isolation are provided by picotm, all you have to implement is the application logic. Picotm is implemented in plain C and is well-suited for implementing applications and firmware that is secure, reliable and thread-safe; yet easy to develop. This makes picotm well-suited fo
email2trac is a utility that converts email messages to Trac tickets. It features HTML message conversion, attachments, updating of tickets via email, command line options, a configuration file, Unicode support, spam detection, workflow support, and support for FullBlogPlugin and DiscussionPlugin.
darktable is an open source photography workflow application and RAW developer. A virtual lighttable and darkroom for photographers. It manages your digital negatives in a database, lets you view them through a zoomable lighttable and enables you to develop raw images and enhance them.
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.
Fink is a package management system for Mac OS X and Darwin systems. It utilizes Debians apt and dpkg tools, while "fink" itself is the source to package building system. The project also adapts sources for broader compatibility with Mac/Darwin systems.
The Embedthis GoAhead™ web server is one of the world’s most popular embedded web server deployed for over 15 years in hundreds of millions of devices by industry leaders and startups. It is compact and requires less than 150K RAM. GoAhead uses an event-driven, non-blocking core to efficiently operate with minimal resources. Coupled with a role-based authentication framework and security sandbox, GoAhead is highly secure. It is easily embedded and ported to create secure web applications.
Embedthis Appweb is a fast, little embedded Web server. It is unmatched in efficiency and serves pages at native speed, using an event-driven, non-blocking core to serve multiple requests using minimal resources. It has integrated caching and the ESP "C" Web framework. Without compromising performance, it has extensive security controls and a rigorous security sandbox that helps protect the server and mitigate denial-of-service attacks. It is one of the most widely deployed embedded Web servers
Zenroom is a brand new, small and portable virtual machine for cryptographic operations. The Zenroom VM has no external dependencies, is smaller than 1MB, runs in less than 64KiB memory and is ready for experimental use on many target platforms: desktop, embedded, mobile, cloud and browsers. Our effort is that of improving people's awareness of how their data is processed by algorithms, as well facilitate the work of developers to create along privacy by design principles using algorithms that c
Powerful terminal utility that allows you to use words coming from the standard input to create a nice selection window just below the cursor. Once done, your selection will be sent to standard output.
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.
Pidgin is a widely-used and featureful instant messenger and chat client. It supports AIM, Bonjour, Gadu-Gadu, Google Talk, Groupwise, ICQ, IRC, MSN, MXit, GroupWise, SILC, SIMPLE, Sametime, XMPP (Jabber), Yahoo!, Zephy. It provides friend lists across chat networks, file transfers, avatars, custom smileys, typing status display, away messages, and many more features (encryption, audio alerts, LED notification, IRC scripting, SMS gateways, sessions, auto-replys) and IM services (Tor, Twitter, Wh
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
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.
CMOC is a 6809-generating cross-compiler for a subset of the C language. It produces executables for the Motorola 6809 processor for the Color Computer .BIN format, the OS-9 format and for the Vectrex game console. It runs under GNU/Linux and other Unix-like environments.
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
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,
Pioneers is a PC game version of the board game The Settlers of Catan. It can be played against the computer, or over the internet by finding up to 8 players per gaming metaserver. Custom layouts can be defined.
mlterm provides a X11 terminal emulator with extensive support for internationalization, different character sets and encodings, or input methods. Fonts are rendered anti-aliased through FreeType, one instance can manage multiple windows, it has a scrollbar API, mouse wheel support, automatic encoding detection, and a daemon mode. Binaries for Windows and Java are also available.
mergerfs is a union filesystem for FUSE. It allows to join multiple source directories, declare priority mappings for file operations, to provide a joined view to the underlying files. It's similar to mhddfs, unionfs, and aufs; but allows for accessing standard and extended attributes.
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.
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.
uGet is a powerful cross-platform download manager. It allows to queue and schedule downloads, categorize them, resume interrupted file downloads, implictly start retrieving URLs from the clipboard, batch processing, use various protocols (HTTP, FTP, Torrent). uGet utilizes multiple connection channels/sockets for speedup, has keyboard shortcuts, a quiet and a CLI mode, allows automatic system shutdown after completion, provides a history, Aria2 and Firefox / Chrome plugins, and an Android versi
MikroLock reads and writes encrypted miniLock files. It is a fast native implementation of the open minilock file format. Despite its name (and in contrast to the original implementation), it can also handle big files. Information about the cryptographic details: https://minilock.io.
Dateutils are a bunch of tools that revolve around fiddling with dates and times in the command line, with a strong focus on use cases that arise when dealing with large amounts of financial data. Their target market is shell scripts that need date calculations or calendar conversions, and as such they are highly pipe-able and modeled after their well-known cousins (e.g. dtest vs. test, or dgrep vs. grep).
Duplicity is a bandwidth-efficient backup system with built-in encryption. It produces incremental tar volumes and stores them onto local or remote servers using librsync. It utilizes GnuPG for encryption and signing.
This is a vectorized libm. Elementary functions like trig, pow, asinh can be evaluated using SIMD instructions. It is portable, and currently supports SSE2, AVX, AVX2, FMA4, AVX512F and AArch64 Advanced SIMD. The library is coded without a conditional branch. It is extensively tested to check if it handles corner cases well.
PCRE is a widely used Unicode-compatible regular expression engine. It implements Perl5 regex syntax and semantics, some Python, .NET and Onigurama extensions. It uses just-in-time compilation, has consistent escaping rules, and allows for recursion, assertions and conditional patterns or complex subroutines and callouts, thus goes far beyond classic regular expressions.
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.
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.
Inadyn is a small and simple DDNS client with HTTPS support, both GnuTLS and OpenSSL are supported. Inadyn is commonly available in many GNU/Linux distributions, used in off-the-shelf routers and Internet gateways to automate the task of keeping your DNS record up to date with any IP address changes from your ISP. It can also be used in installations with redundant (backup) connections to the Internet.
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.
The Linux Wacom project is comprised of hardware drivers, libraries and documentation for Wacom tablets. It can configure devices, and interfaces with X11 under Linux, or graphics applications; usually provides out-of-the-box support on most distributions. Supported devices include the Wacom series Intuos, Cintiq, TabletPC, Graphire, Intuos Pro, Volito, PenPartner, PL & DTF , Bamboo, Bamboo Pen & Touch, and Graphire Bluetooth.
OpENer is an EtherNet/IP™ stack for I/O adapter devices; supports multiple I/O and explicit connections; includes objects and services to make EtherNet/IP™- compliant products defined in THE ETHERNET/IP SPECIFICATION and published by ODVA (http://www.odva.org).
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
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.
BizHawk is a an emulator for multiple game system home computers. It's written in C#, provides full-screen viewing, joypad and joystick support, as well as development and debugging features for all emulated CPUs and hardware platforms. It supports NES, SNES, N64, Gameboy/Color/Advance, Sega Master System, Genesis, Saturn, SG-1000, Game Gear, PC-Engine (TGfx-16), Atari 2600/7200, SuperGrafx, ColecoVision, TI-82, Wonderswan, PSP, PSX, and C64.
Finit is a SysV init replacement with process supervision similar to that of daemontools and runit. Its focus is on small and embedded GNU/Linux systems, yet fully functional on standard server and desktop installations. Cookies included.
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.
metastore is a tool to store the metadata of files/directories/links in a file tree to a separate file and to later compare and apply the stored metadata to said file tree. It was originally written as a supplement to git, which does not store all metadata, making it unsuitable for e.g. storing /etc in a repository. metastore can also be helpful if you want to create a tarball of a file tree and make sure that "everything" (e.g. xattrs, mtime, owner, group) is stored along with the files.
SDL_bgi is a graphics library based on SDL2. SDL_bgi is nearly fully compatible with BGI (graphics.h), 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, and turtle graphics. It should run on any platform supported by SDL2.
A sokoban-style puzzle game involving a robot cleaning up a nuclear storage facility.
An asynchronous component object framework, allowing creation and calling of objects distributed across processes or computers.
X-CD-Roast is a flexible frontend for optical disc authoring. It combines command line tools like "cdrecord", "cdda2wav", "readcd" and "mkisofs" into a nice GTK based graphical user interface.
LLVM is a modular and reusable compiler toolchain. It's suitable for static and dynamic compilations of various programming languages, and based on its own target-abstracted intermediate code representation. Clang is its native C, C++ and Objective-C compiler, which provides additional static code analyzers. Dragonegg is a GNU CC parser binding. LLDB is an extensive debugger utilizing LLVMs JIT compiler, syntax tree or expression parser. lld a newly developed dynamic linker. And vmkit an impleme
Crystal is a programming language with a Ruby-inspired syntax, completely free of type declarations, still providing for static checks, and many modern idioms. It allows to bind and invoke C code directly. With a compiler that produces efficient native code.
ConsoleKit2 is a continuation fork of ConsoleKit for managing user sessions, logins, and tracking seats. It's an alternative to systemd-logind, and intended for XFCE as compatibility layer to run on the various BSD systems. It interates many patches since ConsoleKit was unmaintained, utilizes recent dbus, glib, X11, libkvm, PAM, udev, inotify and pm-utils bindings.
ReactOS is a free and open source operating system written from scratch. It's design is based on Windows in the same way Linux is based on Unix, however ReactOS is not Linux. ReactOS looks and feels like Windows, is able to your run Windows software and your Windows drivers, and is familiar for Windows users.
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.
wxEphe displays Astronomical Ephemeris for The Sun, The Moon, and solar system planets, given date and observer's location.
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
GNU nano is a console text editor, modelled after Pico. It is very newcomer-friendly due to on-screen menus with always visible keyboard shortcuts. Keybindings are configurable, and full undo and redo actions are supported. Nano even can be used as STDIN pager, and it provides fast syntax highlighting, even for regexps.
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.
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
libfaketime intercepts various system calls that programs use to retrieve the current date and time. It then reports modified (faked) dates and times (as specified by the user) to these programs. This means you can modify the system time a program sees without having to change the time system-wide.
Useful to split up jobs over multiple CPU cores or even multiple computers. Examples: tar -cf - /bigdirectory | splitjob -j 4 gzip > big.tar.gz splitjob "ssh h1 bzip2" "ssh h2 bzip2" < f > f.bz2
Calf Studio Gear is a stack of audio effect plugins for JACK sound servers and LV2 hooks. It contains instruments and tone generators, dynamic processors, digital effects, modulators, filters and equalizers, delay effects, distortion and enhancement filters, as well as some tools aimed at professionals.
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.
ObjFW is an extremely portable, lightweight Objective-C framework and runtime that supports the latest Objective-C features.
Graphical User Interfaces, The UNIX Way -- Pipeglade is a helper program that displays graphical user interfaces for other programs. It renders the GUI definition found in a GtkBuilder file (created using the Glade Interface Designer), and communicates with the main program solely via pipes or fifos. To have its GUI rendered by pipeglade, a program must be able to send plain text commands to standard output or a named pipe and/or receive and parse simple plain text messages from standard inpu
dos2unix is a classic command line tool to convert between the different linebreak types of CRLF on DOS/Windows, plain LF on Unix systems, and CR on Mac systems.
libpng is the PNG image format reference implementation. Portable Network Graphics are the most widely used raster image format, patent-free, based on lossless data compression, support indexed/paletted, grayscale, and 24 or 32 bit truecolor images with transparency. It's also an highly extensible container format, with built-in color profiles and representation information, textual meta data, filters, progressive interlacing, and permits animations in the derived APNG or MNG formats.
Ardour is an audio processing and editing application. It integrates broad hardware support, JACK and ALSA backends, flexible recording features, multi-channel nesting, import and exporting various file formats, comes with ready to use samples from freesound.org. It has a pretty editing UI, mixing, routing, monitoring, panning. Ardour allows non-destructive and non-linear editing, can be used for augmenting audio layers in video files even. And comes with many effect, input and output plugins. I
Sauvegarde saves your data in a continuous way that is to say while being written to disk. It is intended for users that have many files to save and that do not want to miss any change on them. The whole backup is deduplicated so users using many similar systems or having copies of the same file in many systems will save space regarding traditional backup. A specific feature (caching in the client) yet to implement will allow one to backup systems that do not have permanent access to the network
Uftpd is a micro server that supports both FTP and TFTP. No configuration files, no hassle, it just works!
libzip is a C library for reading, creating, and modifying zip archives. Files can be added from data buffers, files, or compressed data copied directly from other zip archives. Changes made without closing the archive can be reverted. The API is documented by man pages. It includes a tool to modify zip archives from the command line.
GNU PSPP is a program for statistical analysis of sampled data. It is a Free replacement for the proprietary program SPSS, and appears very similar to it with a few exceptions.
libConfuse is a configuration file parser library, licensed under the terms of the ISC license, and written in C. It supports sections and (lists of) values (strings, integers, floats, booleans or other sections), as well as some other features (such as single/double-quoted strings, environment variable expansion, functions and nested include statements). It makes it very easy to add configuration file capability to a program using a simple API. The goal of libConfuse is not to be the configura
mpg123 is a fast MPEG Audio Layer 1 / 2 / 3 decoding library and terminal playing utility. It uses floats or integer arithmetics with any available instruction set extension (3DNow, SSE, ARM) for efficiency.
Upnpry is an upnp port opener for linux. It intercepts upnp port opening requests to routers and opens the corresponding ports on the linux box.
Diodon is a simple Gnome clipboard manager. It provides app indicator support. And strives to be tightly integrated and easy to use. It still comes with a lot of customization and security options.
LiVES is a video editing system, which provides realtime editing and mixing, can apply realtime rendering effects, or just perform format conversions. It's suitable both for newcomers and VJs, available cross-platform, runs even on low-end hardware, and is extensible per RFX plugins.
SaVi is software for simulation and visualization of satellite orbits, especially satellite constellations such as Iridium, Globalstar and O3b. It shows and animates movement and coverage over the Earth in two and three dimensions. SaVi can optionally use Geomview for 3D rendering.
Trajecstory is a program to plot trajectories of an electron in electric and magnetic fields in three dimensions. For students of Physics, the utility of such a program is immediately obvious, and no further explanation is required. For others, it has no utility, and further explanation is pointless.
Small utility to make cvsgraph ( http://www.akhphd.au.dk/~bertho/cvsgraph/ ) useful also for subversion users
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.