The Id3TagLib.Net library provides reading and writing of ID3v1, ID3v.2.3, and ID3v2.4 tags. It is written in C# with the .NET 3.5 framework. It can also be used with Mono-based projects.
BOAPI is an implementation of default often used business objects in different programming languages with an identical public interface. It supports PHP 5.3 (with namespaces), C# (.NET port), and Java.
Some chemistry-related programs for the GNOME desktop.
A little script to search and download pics from Derpibooru by tags.