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Top C/C++ JSON Libraries 2025

GitHub Libraries → C/C++ → JSON Libraries
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nlohmann/json 45K +177

added 3 months ago

JSON for Modern C++

C/C++ JSON Libraries

simdjson/simdjson 20K +103

added 3 months ago

Parsing gigabytes of JSON per second.

C/C++ JSON Libraries

tencent/rapidjson 14K +7

added 3 months ago

A fast JSON parser/generator for C++ with both SAX/DOM style API

C/C++ JSON Libraries

davegamble/cjson 11K +34

added 1 week ago

Ultralightweight JSON parser in ANSI C

C/C++ JSON Libraries

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