Emacspeak

Emacspeak is a speech interface that allows visually impaired users to interact independently and efficiently with the computer. Audio formatting --a technique pioneered by AsTeR-- and full support fo...
Language(s): C, Emacs Lisp, Tcl
Operating system(s): Linux, Mac OS, Unix, Windows
License: GNU General Public License

Enduro/X

Enduro/X is Open Source Enterprise Middleware Platform for Distributed Transaction Processing. It built on such proven APIs as X/Open group's XATMI and XA. The platform functions as drop-in replacemen...
Language(s): C, C++, Go
Operating system(s): Linux, FreeBSD, IBM AIX, Oracle Solaris, Cygwin, macOS
License: AGPL v3 or Commercial

Eye of GNOME

Eye of GNOME is the official image viewer for the GNOME desktop environment, where it is also known as Image Viewer. Eye of GNOME provides basic effects for improved viewing, such as zooming, full-scr...
Language(s): C
Operating system(s): Unix, Linuxe, Mac OS
License: GNU General Public License

FFmpeg

A complete, cross-platform solution to record, convert and stream audio and video. FFmpeg is a free and open-source project consisting of a vast software suite of libraries and programs for handli...
Language(s): C and Assembly
Operating system(s): Windows, Mac OS, Linux
License: Open source software (Lesser GNU Public License) Portions are under “Dr.DivX DLL EULA” (Freeware)

Festival Speech Synthesis System

Festival offers a general framework for building speech synthesis systems as well as including examples of various modules. As a whole it offers full text to speech through a number APIs: from shell l...
Language(s): C++
Operating system(s): Linux, Mac OS, Unix, Windows
License: MIT License