software for hosting git repositories

Hosting git repositories -- Gitolite allows you to setup git hosting on a central server, with very fine-grained access control and many (many!) more powerful features.

Lean Algorithmic Trading Engine by QuantConnect (Python, C#)

a memory-bound graph-theoretic proof-of-work system

A convention-based object-object mapper in .NET.

An easy service hosting framework for building Windows services using .NET

A popular .NET validation library for building strongly-typed validation rules.