Ecosyste.ms: Packages

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

anaconda.org "mmap" keyword

python-flatbuffers 2.0
FlatBuffers is an efficient cross platform serialization library for C++, C#, C, Go, Java, JavaSc...
2 versions - Latest release: over 2 years ago - 4 dependent packages - 75 dependent repositories - 20,070 stars on GitHub
flatbuffers 2.0.0
FlatBuffers: Memory Efficient Serialization Library
5 versions - Latest release: almost 3 years ago - 2 dependent packages - 20 dependent repositories - 20,070 stars on GitHub