Fast C++ logging library
https://github.com/gabime/spdlog
FASTBuild is a high performance, open-source build system for Windows, Linux and OS X. It supports highly scalable compilation, caching and network distribution.
https://github.com/fastbuild/fastbuild
https://fastbuild.org/docs/home.html
A fast compressor/decompressor
https://github.com/google/snappy
Simple and Fast Multimedia Library
https://www.sfml-dev.org/index.php
A fast single-producer, single-consumer lock-free queue for C++
https://github.com/cameron314/readerwriterqueue
Header-only C++/python library for fast approximate nearest neighbors
https://github.com/nmslib/hnswlib
GridDB is a next-generation open source database that makes time series IoT and big data fast,and easy.
https://github.com/griddb/griddb