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New C/C++ JSON Libraries 2025

GitHub Libraries → C/C++ → JSON Libraries
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taocpp/json 657 +2

added 2 weeks ago

C++ header-only JSON library

C/C++ JSON Libraries

cesanta/frozen 739 +2

added 2 weeks ago

JSON parser and generator for C/C++ with scanf/printf like interface. Targeting embedded systems.

C/C++ JSON Libraries

stephenberry/glaze 2K

added 2 weeks ago

Extremely fast, in memory, JSON and reflection library for modern C++

C/C++ JSON Libraries

ibireme/yyjson 3K +11

added 2 weeks ago

A high performance JSON library written in ANSI C.

C/C++ JSON Libraries

davegamble/cjson 11K +35

added 3 months ago

Ultralightweight JSON parser in ANSI C

C/C++ JSON Libraries

simdjson/simdjson 21K +42

added 6 months ago

Parsing gigabytes of JSON per second.

C/C++ JSON Libraries

nlohmann/json 47K +123

added 6 months ago

JSON for Modern C++

C/C++ JSON Libraries

tencent/rapidjson 14K +19

added 6 months ago

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

C/C++ JSON Libraries

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