This repo is the official home of .NET on GitHub. It's a great starting point to find many .NET OSS projects from Microsoft and the community, including many that are part of the .NET Foundation.
Bloomberg's distributed RDBMS
DSLR camera remote control open source software
The Tcl Core. (Mirror of core.tcl-lang.org)
The Tk Widget Toolkit For Tcl (Mirror of core.tcl-lang.org)
tcllib (Mirror of core.tcl-lang.org).
Eagle (Extensible Adaptable Generalized Logic Engine) is a scripting language that belongs to the Tcl family of languages. It is interpreted, dynamically typed, and cross-platform. It was designed to act as a "glue language" and integrate easily into existing systems written for the Common Language Runtime (CLR).
Tcl interface to the libsass library
System.Data.SQLite is an ADO.NET provider for SQLite.