nlohmann / json
JSON for Modern C++
nlohmann / json
json-everything / json-everything
System.Text.Json-based support for all of your JSON needs.
danielaparker / jsoncons
A C++, header-only library for constructing JSON and JSON-like data formats, with JSON Pointer, JSON Patch, JSON Schema, JSONPath, JMESPath, CSV, MessagePack, CBOR, BSON, UBJSON, toon-format
taocpp / json
C++ header-only JSON library