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8 repositories · updated 2026-11-06

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1frohoff / ysoserialA proof-of-concept tool for generating payloads that exploit unsafe Java object deserialization.JavaMIT · PermissiveInsufficient rank history9,095
2ijl / orjsonFast, correct Python JSON library supporting dataclasses, datetimes, and numpyPythonApache-2.0 · PermissiveInsufficient rank history8,283
3marshmallow-code / marshmallowA lightweight library for converting complex objects to and from simple Python datatypes.PythonMIT · PermissiveInsufficient rank history7,243
4alibaba / fastjson2🚄 FASTJSON2 is a Java JSON library with excellent performance.JavaApache-2.0 · PermissiveInsufficient rank history4,434
5alibaba / HandyJSONA handy swift json-object serialization/deserialization librarySwiftLicense not declaredInsufficient rank history4,256
6msgspec / msgspecA fast serialization and validation library, with builtin support for JSON, MessagePack, YAML, and TOMLPythonBSD-3-Clause · PermissiveInsufficient rank history4,210
7ibireme / yyjsonAuthor description: The fastest JSON library in CCMIT · PermissiveInsufficient rank history3,938
8felixguendling / cistaCista is a simple, high-performance, zero-copy C++ serialization & reflection library.C++MIT · PermissiveInsufficient rank history2,256
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