Discuss Boost.Geometry (Generic Geometry Library) - https://github.com/boostorg/geometry
Discuss Boost.GIL (Generic Image Library) | New channel #boost-gil at https://cpplang.slack.com | Go to https://cppalliance.org/slack/
C++ Dependency Injection
[Boost].SML: C++14 State Machine Library
https://boostgsoc14.github.io/boost.http/
[Boost::ext].UT: C++17/20 μ(micro)/Unit Testing Framework - https://bit.ly/ut-quick-start