Python library to automate X11. Simulate mouse movement and mouse clicks, keystrokes, and manipulate windows from Python. Alter the state of caps lock, num lock, and scroll lock. Also access the X11 clipboard. The C library would be useful for those wishing to automate X from another language as well.
Space Science library for Python - contains superposed epoch classes, drift shell tracing, access to magnetic field models, streamline tracing, bootstrap confidence limits, time and coordinate conversions, etc.
Assorted projects. General-purpose libraries for Python, C++, Scala, bash, and others. Meta-programming tools. System utilities. UI components. Web APIs. Configuration files. Benchmarks. Programming competition entries. And much more.