Signal

Signal is a cross-platform encrypted messaging service developed by the Signal Foundation and Signal Messenger LLC. It uses the Internet to send one-to-one and group messages, which can include files,...
Language(s): N/A
Operating system(s): Android 4.4 or later, iOS 9.0 or later, Windows 7 or later (64-bit), Mac OS 10.9 or later,] Linux distributions
License: Clients: GPLv3, Server: AGPLv3

Synfig

Synfig Studio (also known as Synfig) is a free and open-source 2D vector graphics and timeline-based computer animation program created by Robert Quattlebaum with additional contributions by Adrian Be...
Language(s): C++
Operating system(s): Linux, Mac OS X, Windows
License: GNU General Public License

Toonz

Toonz is a 2D animation software program. The base application is currently managed by Dwango as open-source software under the name OpenToonz. An extended commercial variant for professional individu...
Language(s): C++
Operating system(s): Linux, Mac OS, Microsoft Windows
License: Open-source (BSD license)

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

Torch

Torch is a scientific computing framework with wide support for machine learning algorithms that puts GPUs first. It is easy to use and efficient, thanks to an easy and fast scripting language, LuaJIT...
Language(s): Lua, LuaJIT, C, CUDA and C++
Operating system(s): Linux, Android, Mac OS, iOS
License: BSD license