Protocol Buffers - Google's data interchange format
- protobuf
- protocol-buffers
- protocol-compiler
- protobuf-runtime
Repository Index
71,372 visible repositories in the index
1–24 of 254 · Most stars
JSON for Modern C++
- json
- json-pointer
- json-patch
- cbor
FlatBuffers: Memory Efficient Serialization Library
- flatbuffers
- serialization
- serialization-library
- json-parser
🎒 Token-Oriented Object Notation (TOON) – compact, human-readable serialization of JSON data for LLM prompts. TypeScript SDK, CLI, benchmarks.
- data-format
- llm
- serialization
- tokenization
Apache Arrow is the universal columnar format and multi-language toolbox for fast data interchange and in-memory analytics
- arrow
- parquet
Fast and powerful CSV (delimited text) parser that gracefully handles large files and malformed input
- csv
- javascript
- csv-parser
Json.NET is a popular high-performance JSON framework for .NET
- json
- c-sharp
Model framework for Cocoa and Cocoa Touch
- objective-c
- json
- boilerplate
High-performance Protocol Buffers for JavaScript and TypeScript. Conformant through Edition 2026, and unusually versatile. No protoc required.
- javascript
- typescript
- protobuf
- protocol-buffers
A blazingly fast JSON serializing & deserializing library
Simple JSON Object mapping written in Swift
Decorator-based transformation, serialization, and deserialization between objects and classes.
- typescript
- transformation
- exposing-properties
- exposing-getters
A lightweight library for converting complex objects to and from simple Python datatypes.
- serialization
- deserialization
- validation
- python
JSON5 — JSON for Humans
- json
- json5
Extremely Fast MessagePack Serializer for C#(.NET, .NET Core, Unity, Xamarin). / msgpack.org[C#]
Magical Data Modeling Framework for JSON - allows rapid creation of smart data models. You can use it in your iOS, macOS, watchOS and tvOS apps.
Java binary serialization and cloning: fast, efficient, automatic
- java
- serialization
- cloning
- kryo
Super-fast/easy runtime validators and serializers via transformation
- json
- stringify
- typescript
- fast
Kotlin multiplatform / multi-format serialization
- kotlin
- serialization
- json
- cbor
TinyXML2 is a simple, small, efficient, C++ XML parser that can be easily integrated into other programs.
Python module that makes working with XML feel like you are working with JSON
THE fastest alternative JSON parser for Go that does not require schema
- json
- json-parser
- go
- perfomance
Protocol Buffers with small code size
- nanopb
- protocol-buffers
- c
- embedded
Repair malformed JSON from LLMs, APIs, logs, and user input in Python.