FlatBuffers: Memory Efficient Serialization Library
- flatbuffers
- serialization
- serialization-library
- json-parser
Repository Index
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🎒 Token-Oriented Object Notation (TOON) – compact, human-readable serialization of JSON data for LLM prompts. TypeScript SDK, CLI, benchmarks.
- data-format
- llm
- serialization
- tokenization
Fast and powerful CSV (delimited text) parser that gracefully handles large files and malformed input
- csv
- javascript
- csv-parser
Apache Thrift
- d
- thrift
- cplusplus
- dart
High-performance Protocol Buffers for JavaScript and TypeScript. Conformant through Edition 2026, and unusually versatile. No protoc required.
- javascript
- typescript
- protobuf
- protocol-buffers
JSON in JavaScript
Parse and stringify URL query strings
- query-string
- urlsearchparams
- url
- stringify
JavaScript YAML parser and dumper. Very fast.
XML to JavaScript object converter.
- coffeescript
- parsing
- xml-parser
- xml
A streaming approach to JSON. Oboe.js speeds up web applications by providing parsed objects before the response completes.
A blazingly fast multi-language serialization framework for idiomatic domain objects, schema IDL, and cross-language data exchange.
- cross-language
- fast
- jit
- multiple-language
HTML parsing/serialization toolset for Node.js. WHATWG HTML Living Standard (aka HTML5)-compliant.
Validate XML, Parse XML and Build XML rapidly without C/C++ based libraries and no callback.
- fast-xml-parser
- xml2json
- xml2js
- fast
Feather: fast, interoperable binary data frame storage for Python, R, and more powered by Apache Arrow
An ActionScript 3 Library that contains a number of classes and utilities for working with ActionScript? 3. These include classes for MD5 and SHA 1 hashing, Image encoders, and JSON serialization as well as general String, Number and Date APIs.
Streaming csv parser inspired by binary-csv that aims to be faster than everyone else
CoffeeScript-Object-Notation. Same as JSON but for CoffeeScript objects.
- cson
- coffeescript
- json
- data-format
A sax style parser for JS
x2js - XML to JSON and back for JavaScript
Fast Binary Encoding is ultra fast and universal serialization solution for C++, C#, Go, Java, JavaScript, Kotlin, Python, Ruby, Swift
- performance
- serialization
- binary
- protocol
Rapid YAML - a library to parse and emit YAML, and do it fast.
- yaml
- json
- parser
- emitter
binary serialization format
- serialization
- serializable-objects
- cross-platform
- high-performance
JSON compressor and decompressor
High-level API for working with binary data.