1.simdjson / simdjson
Parsing gigabytes of JSON per second : used by Facebook/Meta Velox, the Node.js runtime, ClickHouse, WatermelonDB, Apache Doris, Milvus, StarRocks
+33 stars
from 24,461 · score 3.53
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2.nlohmann / json
JSON for Modern C++
+28 stars
from 50,801 · score 3.37
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
+1 stars
from 854 · score 0.69
4.taocpp / json
C++ header-only JSON library
+1 stars
from 682 · score 0.69
5.sourcemeta / core
A comprehensive set of composable foundational C++ libraries and CMake utilities to power Sourcemeta projects. Note we don't provide any stable ABI/API guarantees to external users outside Sourcemeta
+1 stars
from 54 · score 0.69