PyMOL is an OpenGL based molecular visualization system
CueMol - Molecular Visualization Framework
STM data analysis
Simple interactive menus for the terminal (Now ships with Julia!)
Connector for Excel and the programming languages R and Julia
IDA Pro plug-in to fix/extract/view RTTI information
Plot your data in seconds (MsSQL, MySQL, PostgreSQL, SQLite, CSV)
a browser based ballistics calculator for arrows and bullets
TreePie : a simple way to display disk usage
Program for drawing 3D surfaces from parametric equations
Objective-C and Swift dependency visualizer
Realtime process data exchange library
PDFsharp is a .NET library for creating and modifying PDF documents.
A program to calculate and represent the Mandelbrot set