The Microsoft Build Engine (MSBuild) build platform for .NET and VS
A cross-platform UI framework for .NET
A collection of 500+ analyzers, refactorings and fixes for C#
XSharp Repository for the Compiler source code
OmniSharp server (HTTP, STDIO) based on Roslyn workspaces
An asynchronous, persistent key-value store
PeachPie, the PHP compiler and runtime for .NET and .NET Core
Quickly and easily develop WeChat full-platform applications
An essential 32-64bit localized IDE for Assembly Language with Debuger
NET WinForm One-Click Multi-Language Interface Generation
Ethernet/IP compatible library for .NET and LabView implementations
Data Exchange between CoDeSys Devices and .NET via Network Variables
Microsoft Language Server for Python
130+ jQuery code snippets for Visual Studio 2012-2019
a dbms for neural nets. Chatbots, DTrees, random forests, n-grams,...
IDE for the Texas Instruments calculator's programming
Windows Tail: A version of Linux tail. Tail for windows.
TortoiseSVN (svn) add-in for visual studio