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Repositories in this selection 10 · UTC 2026-11-03
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1—Nnlohmann / jsonJSON for Modern C++C++MIT · PermissiveInsufficient rank history50,8397,513——2026-11-03
2—Ggoogle / flatbuffersFlatBuffers: Memory Efficient Serialization LibraryC++Apache-2.0 · PermissiveInsufficient rank history26,6073,719——2026-10-29
3—Ssimdjson / simdjsonParsing gigabytes of JSON per second : used by Facebook/Meta Velox, the Node.js runtime, ClickHouse, WatermelonDB, Apache Doris, Milvus, StarRocksC++Apache-2.0 · PermissiveInsufficient rank history24,4991,332——2026-11-03
4—SSwiftyJSON / SwiftyJSONThe better way to deal with JSON data in Swift.SwiftMIT · PermissiveInsufficient rank history22,9243,415——2026-08-18
5—Ttidwall / gjsonGet JSON values quickly - JSON parser for GoGoMIT · PermissiveInsufficient rank history15,5592,150——2026-10-05
6—Bbuger / jsonparserAuthor description: THE fastest alternative JSON parser for Go that does not require schemaGoMIT · PermissiveInsufficient rank history5,662462——2026-10-05
7—Mmailru / easyjsonFast JSON serializer for golang.GoMIT · PermissiveInsufficient rank history4,917470——2026-03-14
8—Aalibaba / fastjson2🚄 FASTJSON2 is a Java JSON library with excellent performance.JavaApache-2.0 · PermissiveInsufficient rank history4,433623——2026-10-30
9—Ooblac / joddJodd! Lightweight. Java. Zero dependencies. Use what you like.JavaBSD-2-Clause · PermissiveInsufficient rank history4,043711——2024-04-15
10—Bbeached / daw_json_linkFast, convenient JSON serialization and parsing in C++C++BSL-1.0 · PermissiveInsufficient rank history51336——2026-11-03
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