The Sleuth Kit

The Sleuth Kit® (TSK) is a library and collection of command line tools that allow you to investigate disk images. The core functionality of TSK allows you to analyze volume and file system data. The ...
Language(s): C, Perl
Operating system(s): Unix, Linux, Windows
License: IPL, CPL, GPL

Tor

Tor is free and open-source software for enabling anonymous communication. The name is derived from an acronym for the original software project name "The Onion Router". Tor directs Internet traffic t...
Language(s): C, Python, Rust
Operating system(s): Windows, Unix, Android, Linux, Mac OS
License: BSD 3-clause license

Waterfox

Waterfox is an open-source web browser for x64 and ARM64 systems. It is intended to be speedy and ethical, and maintain support for legacy extensions dropped by Firefox, from which it is forked. There...
Language(s): C, C++, CSS, JavaScript, XUL
Operating system(s): Windows 7 or later, Mac OS, Linux, Android
License: Mozilla Public License

ownCloud

ownCloud is a suite of client–server software for creating and using file hosting services. ownCloud functionally has similarities to the widely used Dropbox. The primary functional difference between...
Language(s): PHP, JavaScript
Operating system(s): Windows, macOS, Linux, Android, iOS
License: AGPLv3 (Server Edition), proprietary software (Enterprise Edition)