a safe-remove utility for the command line https://remove-to-waste.info/
modemu2k is a fork of modemu, a telnet client with a modem-like user interface
FOSSology is an open source license compliance software system and toolkit. As a toolkit you can run license, copyright and export control scans from the command line. As a system, a database and... https://fossology.github.io/
syslog-ng is an enhanced log daemon, supporting a wide range of input and output methods: syslog, unstructured text, queueing, SQL & NoSQL. http://www.syslog-ng.org/
Atarashi scans for license statements in open source software, focusing on text statistics. Designed to work stand-alone and with FOSSology. http://fossology.github.io/atarashi
Redis is an in-memory database that persists on disk. The data model is key-value, but many different kind of values are supported: Strings, Lists, Sets, Sorted Sets, Hashes, HyperLogLogs, Bitmaps. http://redis.io
Parser combinators for binary formats, in C. Yes, in C. What? Don't look at me like that.