DeTraS provides several tools to track development activities by registering applications that developers use on an X11 session. It also allows you to send collected data to a server and takes care about your privacy. The idea behind DeTraS is taken from Timeline, a shell script written by Nat Friedman.
once:radix is an integrated development environment (IDE) that operates entirely within a Web browser. once:radix supports two methods of connecting to the server. Most interest is focused on its Rich Internet Application (RIA) environment. This comes with a suite of five RIAs that perform specific roles: logging on or off, context-sensitive help, database administration, IDE, and client. In addition, the once:secureserver (oSS) can respond to commands from session-managed external Web servers.