1.nlohmann / json
JSON for Modern C++
+182 stars
from 50,647 · score 5.21
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2.taocpp / json
C++ header-only JSON library
+3 stars
from 680 · score 1.39
3.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
+2 stars
from 853 · score 1.10
4.bariskokulu / CRUDGen
Compile-time annotation processor for Spring Boot. Generates predictable REST APIs, DTOs, JSON Patch endpoints, and N+1 safe JPA repositories without runtime reflection.
+1 stars
from 12 · score 0.69