The most powerful and modular diffusion model GUI, api and backend with a graph/nodes interface. The fastest local inference engine in the world.
Self-hosted GPTibo storefront, admin and Go backend — sanitized MIT source
Learn System Design concepts and prepare for interviews using free resources.
A cross-platform music app using YouTube Music for backend
NeuraVision — AI content generation platform (PHP backend engine: auth, credits, generation, analytics)
Bitwarden infrastructure/backend (API, database, Docker, etc).
Native LLM inference server for Apple Silicon. OpenAI + Anthropic API compatible. No Python. Zig backend, Swift frontend macOS app with chat, music, voice, video generation.
Client-side-rendered SPA: sign and verify documents with X.509 certificates, entirely in the browser. No backend, no key material leaving the client.
Know Your Backend is a Plugin that help your AI to generate a structured Model/View/Controller application, witouth surprise, code duplication and different modality in a different project
Gemini Web provider for Magpie with a local backend and experimental Argon support
The open-source game-running core of MaPC: Wine engines, graphics backends, store integrations and the mapc CLI
An IR lifting backend for Luau: for emitting semantically accurate readable Luau
Iranian brand React icons you can copy into your project with a simple CLI.
Interactive roadmaps, guides and other educational content to help developers grow in their careers.
😮 Core Interview Questions & Answers For Experienced Java(Backend) Developers | 互联网 Java 工程师进阶知识完全扫盲:涵盖高并发、分布式、高可用、微服务、海量数据处理等领域知识
Open Source realtime backend in 1 file
The Free Software Media System - Server Backend & API
The open-source cloud for agents & devs. Including Auth, Databases, Storage, Functions, Messaging, Hosting, Realtime, WAF and more
👩💻👨💻 Awesome cheatsheets for popular programming languages, frameworks and development tools. They include everything you should know in one single file.
Payload is the open-source, fullstack Next.js framework, giving you instant backend superpowers. Get a full TypeScript backend and admin panel instantly. Use Payload as a headless CMS or for building powerful applications.
The flexible backend for all your projects 🐰 Turn your DB into a headless CMS, admin panels, or apps with a custom UI, instant APIs, auth & more.
Open Source Alternative to Vercel, Netlify and Heroku.
A scalable, distributed, collaborative, document-graph database, for the realtime web
The local-first database that runs on every JS runtime and replicates with your existing backend - no vendor, no lock-in - https://rxdb.info/
Parse Server for Node.js / Express
🦔 Fast, lightweight & schema-less search backend. An alternative to Elasticsearch that runs on a few MBs of RAM.
Effortlessly compose, extend, and observe every service in real-time for the first time ever.
🏆 Real-Time no-code, powerful and secure ORM 🚀 providing APIs and Docs without coding by Backend, and Frontend(Client) can customize response JSONs 🏆 实时 零代码、全功能、强安全 ORM 库 🚀 后端接口和文档零代码,前端(客户端) 定制返回 JSON 的数据和结构
GraphQL is a query language and execution engine tied to any backend service.
Mealie is a self hosted recipe manager and meal planner with a RestAPI backend and a reactive frontend application built in Vue for a pleasant user experience for the whole family. Easily add recipes into your database by providing the url and mealie will automatically import the relevant data or add a family recipe with the UI editor
Scalable open-source game backend server: multiplayer, matchmaking, leaderboards, chat, and social features for games.
Instant messaging platform. Backend in Go. Clients: Swift iOS, Java Android, JS webapp, scriptable command line; chatbots
DataLoader is a generic utility to be used as part of your application's data fetching layer to provide a consistent API over various backends and reduce requests to those backends via batching and caching.
The all-in-one, open-source backend platform for agentic coding. InsForge gives your coding agent database, auth, storage, compute, hosting, and AI gateway to ship full-stack apps end-to-end.
The open-source reactive database for app developers
Infrastructure orchestration from local to your cloud
Self-hosted CMS platform based on the Laravel PHP Framework.
本项目为xiaozhi-esp32提供后端服务,帮助您快速搭建ESP32设备控制服务器。Backend service for xiaozhi-esp32, helps you quickly build an ESP32 device control server.
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.
Check if an email address exists without sending any email, written in Rust. Comes with a ⚙️ HTTP backend.
The Open Source Firebase Alternative with GraphQL.
[SIGMOD'27] Easy Data Preparation with latest LLMs-based Operators and Pipelines.
The Open edX LMS & Studio, powering education sites around the world!
Open Source Routing Machine - C++ backend
Vim mode for VSCode, powered by Neovim
Robyn is a Super Fast Async Python Web Framework with a Rust runtime.
The user infrastructure platform. You choose the frontend, backend, and database. Hexclave handles everything else.
Ultra performant API Gateway with middlewares. A project hosted at The Linux Foundation
Horizon is a realtime, open-source backend for JavaScript apps.
Realtime database backend based on Operational Transformation (OT)
Simple, but flexible HTTP client library, with support for multiple backends.
PartyKit simplifies developing multiplayer applications
Grafana Tempo is a high volume, minimal dependency distributed tracing backend.
Run any process, on your machine or in an AI agent's environment, as if it were a pod in your Kubernetes cluster: real env vars, DNS, network, traffic.
Readyset is a MySQL and Postgres wire-compatible caching layer that sits in front of existing databases to speed up queries and horizontally scale read throughput. Under the hood, ReadySet caches the results of cached select statements and incrementally updates these results over time as the underlying data changes.
OPNsense GUI, API and systems backend
high-performance rendering backend (C++, Python, C#, Java)
Use any web browser or WebView as GUI, with your preferred language in the backend and modern web technologies in the frontend, all in a lightweight portable library.
Instant REST and MCP APIs for PostgreSQL and MySQL, on existing or new databases. CRUD, custom SQL routes, auth and ACL without writing a backend. Low-code, ⚡ realtime, high-performance. Native MySQL support since v2.5.
Koog is a JVM (Java and Kotlin) framework for building predictable, fault-tolerant and enterprise-ready AI agents across all platforms – from backend services to Android and iOS, JVM, and even in-browser environments. Koog is based on our AI products expertise and provides proven solutions for complex LLM and AI problems