P4.Net is a Perforce API for the Microsoft .Net Common Language Runtime (CLR). It can be used from any managed language including C#, VB.Net, J#, Powershell, IronPython, and MSBuild.
Cross-platform visual versioning system aimmed at easing the user and administrator of large versioning repositories. Being developed in parallel with an API to allow other programs (such as IDEs) to checkout and release source code transparently.
Unlimited organizations, 3 enterprise SSO connections, role-based access control, and pro MFA included. Dev and prod tenants out of the box.
Auth0's B2B Essentials plan gives you everything you need to ship secure multi-tenant apps. Unlimited orgs, enterprise SSO, RBAC, audit log streaming, and higher auth and API limits included. Add on M2M tokens, enterprise MFA, or additional SSO connections as you scale.
hostingstar.com.au's open source software.
To be used primarily for dotnetnuke modules, a cross platform backup system, .net (dotnet) user controls, 3d plugins and many other bits and pieces.