TLS/SSL and crypto library
Zstandard - Fast real-time compression algorithm
Development toolkit for Web Services and XML data bindings for C & C++
JSON Parser written in C that outputs JSON into D-List list objects
Portable C library for proxy client support using standard SOCKETs.
52 Hash Functions In One Program, plus each with HMAC or KMAC
Public domain implementations of core RFC specifications for C/C++.
Parsing for everybody.