json

Widelands is a free, open source real-time strategy game with singleplayer campaigns and a multiplayer mode. The game was inspired by Settlers II™ (© Bluebyte) but has significantly more variety and depth to it.

Extremely fast, in memory, serialization, reflection, and RPC library for C++. JSON, BEVE, BSON, CBOR, CSV, JSONB, MessagePack, TOML, YAML, EETF

Command-line YAML, XML, TOML processor - jq wrapper for YAML/XML/TOML documents

A Redis HTTP interface with JSON output

Serialize JavaScript to a superset of JSON that includes regular expressions and functions.

Docker image with Uvicorn managed by Gunicorn for high-performance FastAPI web applications in Python with performance auto-tuning.

DummyJSON.com provides different types of REST Endpoints filled with JSON data which you can use in developing the frontend with your favorite framework and library without worrying about writing a backend.

Hjson, a user interface for JSON

Elm's core libraries

Community-maintained dataset of 700+ websites for finding accounts by username — powers OSINT and digital footprint tools.

Build forms from JSON Schema. Easily template-able. Compatible with Bootstrap 3 out of the box.

Manifold is a Java compiler plugin, its features include Metaprogramming, Properties, Extension Methods, Operator Overloading, Templates, a Preprocessor, and more.

:sparkles: Mojolicious - Perl real-time web framework

Set JSON values very quickly in Go

Customizable JSON Schema-based forms with React, Angular and Vue support out of the box.

End-to-end HTTP and REST API testing for Go.

Part guillotine, part graveyard for Google's doomed apps, services, and hardware.

Flexible, reusable and concise configuration for Kubernetes

The Hypersistence Utils library (previously known as Hibernate Types) gives you Spring and Hibernate utilities that can help you get the most out of your data access layer.

DivKit is an open source Server-Driven UI (SDUI) framework. SDUI is a an emerging technique that leverage the server to build the user interfaces of their mobile app

Skytable is a modern scalable NoSQL database with BlueQL, designed for performance, scalability and flexibility. Skytable gives you spaces, models, data types, complex collections and more to build powerful experiences

Tiny Scala high-performance, async web framework, inspired by Sinatra

sq data wrangler

Yet another JSON library for Scala

JSON to SwiftData and back. SwiftData Sync.

Logback JSON encoder and appenders

news-please - an integrated web crawler and information extractor for news that just works

180 free CSS3, Figma, Sketch & PSD gradients — plus a JSON dataset for design tools, generators, and AI agents.

ISO 3166-1 country lists merged with their UN Geoscheme regional codes in ready-to-use JSON, XML, CSV data sets

Fast JSON parser and validator for Go. No custom structs, no code generation, no reflection