Neargye / magic_enum

Static reflection for enums (to string, from string, iteration) for modern C++, work with any enum type without any macro or boilerplate code

Neargye / nameof

Nameof operator for modern C++, simply obtain the name of a variable, type, function, macro, and enum

google / sandboxed-api

Generate sandboxes for C/C++ libraries automatically

jtv / libpqxx

The official C++ client API for PostgreSQL.

NazaraEngine / NazaraEngine

Nazara Engine is a cross-platform framework aimed at (but not limited to) real-time applications requiring audio, 2D and 3D real-time rendering, network and more.

Stiffstream / sobjectizer

An implementation of Actor, Publish-Subscribe, and CSP models in one rather small C++ framework. With performance, quality, and stability proved by years in the production.