201.bytedance / sonic
A blazingly fast JSON serializing & deserializing library
Ranked by Attention Score: stars gained over the last 30 complete days
201–300 of 1,471 by Attention Score · Oct 6, 2026 – Nov 4, 2026 (UTC)
A blazingly fast JSON serializing & deserializing library
The open source and enterprise-ready webhooks service 🦀
Light, flexible and extensible ASGI framework | Built to scale
A Fast and Easy to use microframework for the web.
Open-source, self-hosted newsletter, email marketing and transactional email platform. Visual MJML editor, Liquid templating, 7 sending providers.
A fast, modern web server built for production debugging.
Part-DB is an Open source inventory management system for your electronic components
Fast HTTP package for Go. Tuned for high performance. Zero memory allocations in hot paths. Up to 10x faster than net/http
Agentic Orchestration Platform
Fast, correct Python JSON library supporting dataclasses, datetimes, and numpy
For empowering community 🌱
🚀🎉📚 APITable, an API-oriented low-code platform for building collaborative apps and better than all other Airtable open-source alternatives.
A high-performance web server and reverse proxy, 100% compatible with nginx.
Instant is the best backend for AI-coded apps. You get auth, permissions, storage, presence, and streams — everything you need to ship apps your users will love.
A light-weight, flexible, and expressive statistical data testing library
Netty project - an event-driven asynchronous network application framework
Consul is a distributed, highly available, and data center aware solution to connect and configure applications across dynamic, distributed infrastructure.
AdonisJS is a TypeScript-first web framework for building web apps and API servers. It comes with support for testing, modern tooling, an ecosystem of official packages, and more.
Open-source web application framework for ASP.NET Core! Offers an opinionated architecture to build enterprise software solutions with best practices on top of the .NET. Provides the fundamental infrastructure, cross-cutting-concern implementations, startup templates, application modules, UI themes, tooling and documentation.
Cap'n Proto serialization/RPC system - core tools and C++ library
The JSON Schema specification
The Go language implementation of gRPC. HTTP/2 based RPC
The Open Source Firebase Alternative with GraphQL.
Full-stack Elixir web framework that runs your Elixir code in the browser
✉️ Send e-mails with Node.JS – easy as cake!
Framework for quickly creating connected applications in Kotlin with minimal effort
💨 Fast, Async-ready, Openapi, type hints based framework for building APIs
Blazing fast file vault written in TypeScript! 🚀
C/C++ WebRTC network library featuring Data Channels, Media Transport, and WebSockets
OpenAPI specification for the OpenAI API
Open Source API and AI Gateway supporting REST, GraphQL, TCP, gRPC and MCP (Model Context Protocol)
gunicorn 'Green Unicorn' is a WSGI HTTP Server for UNIX, fast clients and sleepy applications.
The modular and type safe schema library for validating structural data 🤖
High performance Node.js/PostgreSQL job queue (also suitable for getting jobs generated by PostgreSQL triggers/functions out into a different work queue)
:100:Go Struct and Field validation, including Cross Field, Cross Struct, Map, Slice and Array diving
Google's officially supported Node.js client library for accessing Google APIs. Support for authorization and authentication with OAuth 2.0, API Keys and JWT (Service Tokens) is included.
Go HTTP framework with high-performance and strong-extensibility for building micro-services.
Photo Sharing. For Everyone.
Golang client for NATS, the cloud native messaging system.
Open Source PHP Framework (originally from EllisLab)
Main website for The Odin Project
A :baby: buddy to help caregivers track sleep, feedings, diaper changes, tummy time and more to learn about and predict baby's needs without (as much) guess work.
A taggable image board written in Rails.
The Standard Webhooks specification
Generate types and converters from JSON, Schema, and GraphQL
Cookiecutter Django is a framework for jumpstarting production-ready Django projects quickly.
A free, fast, and reliable Open Source CDN for npm, GitHub, Javascript, and ESM
A cross-platform, high-performance and asynchronous web server for static files-serving. ⚡
Command line Kiwix tools: kiwix-serve, kiwix-manage, ...
WebAssembly System Interface
💧 A server-side Swift HTTP web framework.
Simple, secure & standards compliant web server for the most demanding of applications
The Developer Platform for Modern APIs
Input OpenAPI. Output SDKs and Docs.
⚒️ Redocly CLI makes OpenAPI easy. Lint/validate to any standard, generate beautiful docs, and more.
Modern REST framework for Django with types and async support!
The fastest JSON schema Validator. Supports JSON Schema draft-04/06/07/2019-09/2020-12 and JSON Type Definition (RFC8927)
Enterprise-ready, Git native feature management solution
An actor-based Framework with network transparency for creating event-driven architecture in Golang. Inspired by Erlang. Zero dependencies.
Enterprise-grade feature flag platform that you can self-host. Get started - free.
The java implementation of Apache Dubbo. An RPC and microservice framework.
网易云音乐 Node.js API service
Modern React starter kit with Bun, TypeScript, Tailwind CSS, tRPC, Stripe, and Cloudflare Workers. Production-ready monorepo for building fast web apps.
Simple to use, blazing fast and thoroughly tested WebSocket client and server for Node.js
brpc is an Industrial-grade RPC framework using C++ Language, which is often used in high performance system such as Search, Storage, Machine learning, Advertisement, Recommendation etc. "brpc" means "better RPC".
A graph node engine and editor written in Javascript similar to PD or UDK Blueprints, comes with its own editor in HTML5 Canvas2D. The engine can run client side or server side using Node. It allows to export graphs as JSONs to be included in applications independently.
A simple, distributed task scheduler and runner with a web based UI.
Serverpod is a next-generation app and web server, explicitly built for the Flutter and Dart ecosystem.
Package gorilla/websocket is a fast, well-tested and widely used WebSocket implementation for Go.
Loads environment variables from .env for nodejs projects.
Node.js based forum software built for the modern web
A fast JSON parser/generator for C++ with both SAX/DOM style API
Easy and fluent Go cron scheduling. This is a fork from https://github.com/jasonlvhit/gocron
CKAN is an open-source DMS (data management system) for powering data hubs and data portals. CKAN makes it easy to publish, share and use data. It powers catalog.data.gov, open.canada.ca/data, data.humdata.org among many other sites.
A Powerful and All-in-One MQTT 5.0 client toolbox for Desktop, CLI and WebSocket.
Koillection is a self-hosted service allowing users to manage any kind of collections.
Official CoinPaprika API Go client — coin prices, tickers, OHLCV, exchanges, and global market stats.
Minimal and efficient cross-platform file watching library
A push notification server written in Go (Golang).
Robyn is a Super Fast Async Python Web Framework with a Rust runtime.
Extremely Fast MessagePack Serializer for C#(.NET, .NET Core, Unity, Xamarin). / msgpack.org[C#]
A flexible JSON/YAML linter for creating automated style guides, with baked in support for OpenAPI (v3.1, v3.0, and v2.0), Arazzo v1.0, as well as AsyncAPI v2.x.
Notification library for gophers and their furry friends.
A fully-featured ⚡️ HTTP/GraphQL/gRPC/Websocket-client 🐼 interface 🖥️ for Neovim ❤️, that supports the Jetbrains .http spec (with full scripting support).
A Java serialization/deserialization library to convert Java Objects into JSON and back
A powerful framework for faster, easier, and more efficient project development.
Simple HTTP, REST, and SSE client library for Go
A distributed transaction framework, supports workflow, saga, tcc, xa, 2-phase message, outbox patterns, supports many languages.
Process execution for humans