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View allAI & Machine Learning
29Open source machine learning frameworks, large language models and AI infrastructure.
AI Agents & Agent Tools
21Frameworks, tools and infrastructure for building AI agents and helping them use tools and get work done.
Authentication & Security
10Open source authentication, identity and security tools.
Backend
16Backend platforms and backend-as-a-service tools for building applications.
Database
14Relational, document, vector and in-memory databases.
API
7Tools for building, exposing and managing APIs.
CMS
6Headless and traditional content management systems.
Chat & Messaging
6Team chat, messaging and real-time communication platforms.
Developer Tools
13Tools that help developers build, test and ship software.
Popular Open Source
Appwrite
BSD-3-ClauseOpen-source backend platform providing authentication, databases, storage, functions and realtime APIs, self-hosted or as a managed cloud service.
Actively maintained
- Backend
- Database
- Authentication & Security
Flutter
BSD-3-ClauseGoogle's UI toolkit for building natively compiled applications for mobile, web and desktop from a single codebase.
Actively maintained
- Mobile
Ghost
MITOpen source publishing and membership platform for blogs, newsletters and online publications.
Actively maintained
- CMS
Gitea
MITLightweight, self-hosted Git service with issue tracking, pull requests and CI integration.
Actively maintained
- Developer Tools
Grafana
AGPL-3.0Open source platform for monitoring and observability, letting you query, visualize and alert on metrics.
Actively maintained
- Monitoring
Keycloak
Apache-2.0Open source identity and access management solution with single sign-on, OAuth2 and OpenID Connect support.
Actively maintained
- Authentication & Security
Kubernetes
Apache-2.0Open source system for automating deployment, scaling and management of containerized applications.
Actively maintained
- DevOps
LangChain
MITFramework for developing applications powered by large language models, agents and retrieval-augmented generation.
Actively maintained
- AI & Machine Learning
Recently Added
Ant Design
MITEnterprise-class UI design language and React component library, with a large set of high-quality components for building data-heavy admin and business applications.
Actively maintained
- UI & Components
Chatwoot
MITOpen-source customer support platform -- live chat, email, social and messaging channels in one shared inbox, as a self-hostable alternative to Intercom and Zendesk.
Actively maintained
- Chat & Messaging
Compose Multiplatform
Apache-2.0Declarative Kotlin UI framework from JetBrains for sharing UI code across Android, iOS, desktop and web, built on Jetpack Compose.
Actively maintained
- Mobile
- UI & Components
Ionic Framework
MITCross-platform UI toolkit for building iOS, Android and Progressive Web Apps with HTML, CSS and JavaScript, with first-class React, Angular and Vue integrations.
Actively maintained
- Mobile
- UI & Components
Jitsi Meet
Apache-2.0Secure, self-hostable video conferencing built on WebRTC -- use it as a standalone meeting app or embed meetings in your own web or mobile application.
Actively maintained
- Chat & Messaging
- Media
Manticore Search
GPL-3.0Open-source search database for full-text, vector and hybrid search with real-time indexing, queried with SQL or a JSON HTTP API.
Actively maintained
- Search
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