Ecosyste.ms: Packages

An open API service providing package, version and dependency metadata of many open source software ecosystems and registries.

conda-forge.org "unordered-set" keyword

parallel-hashmap 1.33 💰
A family of header-only, very fast and memory-friendly hashmap and btree containers.
2 versions - Latest release: about 3 years ago - 1,789 stars on GitHub