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

#ziplib is a Zip, GZip, Tar and BZip2 library written entirely in C# for the .NET platform.

EPPlus-Excel spreadsheets for .NET

.NET Components for Externalized Configuration, Database Connectors, Service Discovery, Logging and Distributed Tracing, Application Management, Security, and more.

Orchard Core is an open-source modular and multi-tenant application framework built with ASP.NET Core, and a content management system (CMS) built on top of that framework.

ACID Document Database

Master the command line, in one page

A collective list of free APIs

📚 Books worth reading

An open source highly scalable platform for building cross asset execution orientated trading applications that can be easily deployed on-prem or in the cloud. Primarily written in Golang, with a J…

A curated list of open finance and open banking resources

Algorithmic trading and quantitative trading open source platform to develop trading robots (stock markets, forex, crypto, bitcoins, and options).

Building Modern SaaS Applications with C# and .NET, published by Packt

Hands-On Network Programming with C# and .NET Core, published by Packt