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.
JRecord allows you to read legacy, fixed width, and delimited flat files in Java. Files are interpreted via a Record-Layout (file description), which can be COBOL-Copybook or a XML-file-description. The package can handle both Text and Binary Cobol files (it can handle Standard carriage-Return, Fixed Width and Length based (VB)) Files.
sreplace is a simple command-line tool to search and replace text in files and across directory trees. It works with large files, can search with regular expressions, and even allows binary block substitution, or conver CR/LF linebreak variants, tabs or strip trailing spaces.
Quick Hash GUI provides recursive file hashing, copying and verification of whole directory structures. It provides a simple GUI for Linux and Windows. It can also verify whole partitions, provides MD5 and SHA1/SHA2 algorithms, export results as CSV or HTML report.