Optimized JSON
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Updated
Jan 17, 2026 - C
Optimized JSON
FlatBuffers Compiler and Library in C for C
A simple and fast JSON parser.
facil.io C STL - a Server Toolbox Library for C, including JSON processing, hash maps, dynamic arrays, binary strings and more.
Very minimal single header JSON5 parser in C99, derived from jsmn
RimStone programming language and framework.
C JSON parser (both, SAX-like & full DOM)
Small System Framework - JSON parser/generator, Reed-Solomon, finite state machine framework, and other high quality interfaces for embedded systems.
🔋 In-place lightweight JSON parser
JPStream: JSONPath Stream Processing in Parallel
⭕ Tricky, super fast and dumb JSON library for C/C++
A fast streaming JSON parsing library in C. This variant uses BSDMake to build and includes various fixes and enhancements.
Lightweight embedded JSON mapper for C — structured data-to-JSON mapping with declarative macros. ThreadX/FreeRTOS/baremetal ready.
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