microsoft / snmalloc

Message passing based allocator

idealvin / coost

A tasteful, minimal C++ base library.

GrapheneOS / hardened_malloc

Hardened allocator designed for modern systems. It has integration into Android's Bionic libc and can be used externally with musl and glibc as a dynamic library for use on other Linux-based platforms. It will gain more portability/integration over time.

mtrebi / memory-allocators

Custom memory allocators in C++ to improve the performance of dynamic memory allocation

plasma-umass / Mesh

A memory allocator that automatically reduces the memory footprint of C/C++ applications.