Top 4 C++ Bitset Projects

EWAHBoolArray

1 435 2.4 C++

A compressed bitmap class in C++.
bitset2

4 116 2.2 C++

std::bitset with constexpr implementations plus additional features.
WorkOS

workos.com sponsored

The modern identity platform for B2B SaaS. The APIs are flexible and easy-to-use, supporting authentication, user identity, and complex enterprise features like SSO and SCIM provisioning.
gtl

5 90 7.1 C++

Greg's Template Library of useful classes.

Project mention: Inside boost::concurrent_flat_map | /r/cpp | 2023-07-07

gtl library author here. Very nice writeup! Reading it made me think, and I believe I know why gtl::parallel_flat_hash_map performs comparatively worse for high-skew scenarios (just pushed a fix in gtl).

bit_set

1 40 8.9 C++

Rebooting the std::bitset franchise

NOTE: The open source projects on this list are ordered by number of github stars. The number of mentions indicates repo mentiontions in the last 12 Months or since we started tracking (Dec 2020).