Also there is the header-only khash.h [3], complete with benchmarks: https://attractivechaos.wordpress.com/2008/08/28/comparison-of-hash-table-libraries/ https

Also there is the header-only khash.h [3], complete with benchmarks: https://attractivechaos.wordpress.com/2008/08/28/comparison-of-hash-table-libraries/ https://attractivechaos.wordpress.com/2008/08/28/comparison-... (Also provides kbtree.h, ksort.h, kstream.h, kvec.h) [3] https://attractivechaos.wordpress.com/programs/ https://attractivechaos.wordpress.com/programs/ Also there are the stb header-only libraries. There is a hash table implementation buried inside stb.h [4] https://github.com/nothings/stb https://github.com/nothings/stb