*[Wangle](https://github.com/facebook/wangle) - A client/server application framework to build asynchronous, event-driven modern C++ services. [Apache-2.0]
*[wdt](https://github.com/facebook/wdt) - An embeddedable library (and command line tool) aiming to transfer data between 2 systems as fast as possible over multiple TCP paths. [BSD-3-Clause]
*[WebSocket++](https://github.com/zaphoyd/websocketpp) - C++/Boost Asio based websocket client/server library. [BSD]
*[PcapPlusPlus](https://github.com/seladb/PcapPlusPlus) - a multiplatform C++ network sniffing and packet parsing and crafting framework. [Unlicense]
## PDF
*Libraries for parsing and manipulating PDF documents.*
