Appsomniacs

RakNet is a cross platform, open source, C++ networking engine for game programmers.

Axmol Engine – A Multi-platform Engine for Desktop, XBOX (UWP), WebAssembly and Mobile games. (a fork of Cocos2d-x-4.0)

Cocos2d-x is a suite of open-source, cross-platform, game-development tools used by millions of developers all over the world.

Arboreus.Systems examples (helpful code bits) go check 'em out.

Apple InAppPurchase Receipt - Models, Parser, Validator

Maintenance fork of https://github.com/vkuryakov/AppleAppStoreServerLibrary

🐋 .NET implementation of the DigitalOcean API plus tweaks to get it working on other platform's services that require a more modern secure http client...

.NET Reader for the MaxMind DB Database Format (Appsomniacs Fork)

RakNet+ is a cross platform, open source, C++ networking engine for game programmers.

SLikeNet™ is an Open Source/Free Software cross-platform network engine written in C++ and specifically designed for games (and applications which have comparable requirements on a network engine like games) building upon the discontinued RakNet network engine which had more than 13 years of active development.