All Open Source Apps
Every app scored on repo health, technical quality, and dependency risk — before you install anything.
Category
Sort:Health Score
swagger-ui
Developer Tools
Transform OpenAPI specifications into interactive, browser-based API documentation that developers and consumers can explore and test live.
MLflow
AI Development · Monitoring
The open source AI engineering platform for debugging, evaluating, monitoring, and optimizing production LLMs and agents at scale.
NodeBB
Community
Modern Node.js forum software with real-time WebSockets, multi-database support, and a plugin ecosystem — the community platform built for the open web and the Fediverse.
Parse Server
Databases · Developer Tools
Self-hosted Backend-as-a-Service for Node.js with REST, GraphQL, real-time Live Query, cloud code, and pluggable adapters for any infrastructure.
Apache Airflow
Data Engineering
Define, schedule, and monitor complex data workflows as Python code — with a powerful UI, 80+ provider integrations, and battle-tested scalability across thousands of production deployments.
Countly
Analytics · Marketing
Privacy-first, self-hosted analytics and customer engagement platform with full data ownership, GDPR compliance, and AI-powered insights across mobile, web, desktop, and IoT.
ERPNext
ERP · Invoicing Finance
100% free, open-source ERP unifying accounting, manufacturing, inventory, CRM, HR, and POS in a single self-hostable platform.
OpenProject
Collaboration · Productivity · Project Management
The open source project management platform that unifies Gantt charts, agile boards, time tracking, and team collaboration under full self-hosted control.
Zulip
Team Chat
Topic-based team chat that brings the structure of email threads to real-time messaging, so distributed teams never lose context across hundreds of concurrent conversations.
Airbyte
Data Engineering · Developer Tools
Open-source ELT platform with 600+ connectors for moving data from any source to warehouses, lakes, and AI agents.
Chatwoot
Customer Support
Open-source omnichannel customer support platform with AI-powered agents, live chat, and self-hosting — a full Intercom and Zendesk alternative.
ClearML
Automation · Devops
Auto-magical MLOps platform that tracks experiments, versions data, orchestrates pipelines, and serves models with just two lines of code.
ClickHouse
Analytics · Data Engineering · Databases
Open-source column-oriented database that delivers real-time analytical queries on petabyte-scale data with millisecond latency.
Mastodon
Social Media
Run your own federated social network on the open ActivityPub standard with no ads, no algorithms, and no corporate control over your community.
Sentry
Analytics · Developer Tools · Monitoring
Developer-first error tracking and performance monitoring platform with AI-powered root-cause analysis across 20+ languages and frameworks.
Weblate
Developer Tools
Continuous localization platform that commits translations directly into your version control system with full translator attribution.
ToolJet
AI Agents · Low Code Platforms · No Code Platforms
Open-source AI-native platform to build and deploy internal tools, workflows, and AI agents with a visual drag-and-drop builder and 80+ data source integrations.
Agno
AI Development · Automation · Devops
Build, run, and manage agent platforms with a full production stack — SDK, runtime, and control plane included.
AutoGPT
AI Assistants · Automation · Productivity
Build, deploy, and run autonomous AI agents that automate complex multi-step workflows using a visual block-based graph editor.
GDevelop
Design Tools · Developer Tools · Game Development
No-code, open-source game engine for building 2D, 3D and multiplayer games — publish to iOS, Android, Steam and the web.
Godot Engine
Design Tools · Developer Tools · Game Development
Free, MIT-licensed 2D and 3D game engine with one-click multi-platform export and no royalties.
authentik
Authentication · Security
The self-hosted Identity Provider that replaces Okta, Auth0, and Entra ID with a unified SSO platform supporting SAML, OAuth2/OIDC, LDAP, RADIUS, and WebAuthn.
changedetection.io
Monitoring
Self-hosted website change detection with AI-powered smart alerts, browser automation, price tracking, and 85+ notification channels.
ComfyUI
AI Design Tools · AI Development
The most powerful node-based AI workflow engine for creating images, video, 3D models, and audio with full control over every generation step.