RemOcular lets you run Unix command line tools like top, traceroute, vmstat, and df in an interactive Web UI. RemOcular is easily enhanced to support additional commandline tools.
Opa is a web development platform. It comprises a programming language, a Web server, a database, and a distributed execution engine. All of these are tightly integrated.
A Minecraft world editor.
A powerful graphical desktop environment, applications, and development frameworks.