Open source record and playback test automation for the web

Use our free, collaborative, in-browser IDE to code in 50+ languages — without spending a second on setup.

Lazarus is a Delphi compatible cross-platform IDE for Rapid Application Development. It has variety of components ready for use and a graphical form designer to easily create complex graphical user interfaces.

Black Screen is an IDE in the world of terminals. Strictly speaking, it's both a terminal emulator and an interactive shell based on Electron. Also, unlike most of the emulators you can meet nowadays it uses HTML and CSS for its UI (exactly as Atom does), which means we can stop misusing unicode characters and make a better looking terminal with appropriate tools.

Build and debug modern web and cloud applications. Code is free and available on your favorite platform - Linux, Mac OSX, and Windows.

Light Table is a new interactive IDE that lets you modify running programs and embed anything from websites to games. It provides the real time feedback we need to not only answer questions about our code, but to understand how our programs really work.

Smart, Lightweight and Portable IDE for faster and easier web development.

YouCompleteMe is a fast, as-you-type, fuzzy-search code completion engine for Vim. It has several completion engines: an identifier-based engine that works with every programming language, a semantic, Clang-based engine that provides native semantic code completion for C/C++/Objective-C/Objective-C++ (from now on referred to as "the C-family languages") and an omnifunc-based completer that uses data from Vim's omnicomplete system to provide semantic completions for many other languages (Python, Ruby, PHP etc.).

FriendCode makes it easy to code, search and work with friends from anywhere.

Codiad is a web-based IDE framework with a small footprint and minimal requirements.

WIODE is a web-based open source IDE built as a replacement for the standard desktop-installed IDE's. The aim of the WIODE project is to create and maintain a versatile 'base' IDE that installs quickly and can be customized by anyone using it to make it their own. Download the system today and find out how great it is to code in the cloud!