martinus/unordered_dense

A fast, memory efficient hash map for C++

A family of header-only, very fast and memory-friendly hashmap and btree containers.

a header-only, constexpr alternative to gperf for C++14 users

Rust port of Google's SwissTable hash map

A hash table with consistent order and fast iteration; access items by key or sequence index

Slotmap data structure for Rust

EASTL stands for Electronic Arts Standard Template Library. It is an extensive and robust implementation that has an emphasis on high performance.

Achieve a tiny STL in C++11

A modern, user friendly, generic, type-safe and fast C99 container library: String, Vector, Sorted and Unordered Map and Set, Deque, Forward List, Smart Pointers, Bitset and Random numbers.