- AppEngine : Google's cloud computing infrastructure. WeScheme uses AppEngine to handle user accounts, serverside compilation, and file management
- ExCanvas : Google's javascript library that provides a Canvas implementation on Internet Explorer 8, commonly used in schools with older tech.
- Closure : Google's javascript compiler, library and template system.
- CodeMirror : Marijn Haverbeke's library for in-browser editing.
- EasyXDM : a cross-domain messaging library.
- js-numbers : A numeric-tower implementation from Danny Yoo, with significant contributions from Dan King and Dorai Sitarum.
The source to WeScheme itself is
available for download, under the
GNU LGPL license. Written by
Danny Yoo, with significant contributions by
Emmanuel Schanzer. Currently maintained by Emmanuel Schanzer. For more information about Danny Yoo's
moby, the compiler on which WeScheme's compiler is modeled, you can
watch the video or
read the paper.