Repository Index

FlatBuffers: Memory Efficient Serialization Library

• flatbuffers
• serialization
• serialization-library
• json-parser

A Java serialization/deserialization library to convert Java Objects into JSON and back

Fast and powerful CSV (delimited text) parser that gracefully handles large files and malformed input

• csv
• javascript
• csv-parser

High-performance Protocol Buffers for JavaScript and TypeScript. Conformant through Edition 2026, and unusually versatile. No protoc required.

• javascript
• typescript
• protobuf
• protocol-buffers

A modern JSON library for Kotlin and Java.

A querystring parser and serializer with nesting support

• javascript
• encoding
• querystrings
• nodejs

JSON in JavaScript

JSON5 — JSON for Humans

• json
• json5

Parse and stringify URL query strings

• query-string
• urlsearchparams
• url
• stringify

JavaScript YAML parser and dumper. Very fast.

Java binary serialization and cloning: fast, efficient, automatic

• java
• serialization
• cloning
• kryo

Safely serialize JavaScript expressions to a superset of JSON, which includes Dates, BigInts, and more.

• superjson
• javascript
• json
• blitzjs

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 reference implementation of a JSON package in Java.

• hacktoberfest
• java
• json
• public-domain

A blazingly fast multi-language serialization framework for idiomatic domain objects, schema IDL, and cross-language data exchange.

• cross-language
• fast
• jit
• multiple-language

gRPC and protocol buffers for Android, Kotlin, Swift and Java.

Simple Binary Encoding (SBE) - High Performance Message Codec

• codec
• java
• c-plus-plus
• golang

Apache Avro is a data serialization system.

• csharp
• ruby
• cplusplus
• python

Screaming fast JSON parsing and serialization library for Android.

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

💡Extremely fast enterprise server framework, can be used in RPC, game server, web server.

• netty
• serialization
• game-server
• spring

FST: fast java serialization drop in-replacement

• serialization
• json
• java
• offheap