All Open Source Apps
Every app scored on repo health, technical quality, and dependency risk — before you install anything.
Category3
Sort:Health Score
MLflow
AI Development · Monitoring
The open source AI engineering platform for debugging, evaluating, monitoring, and optimizing production LLMs and agents at scale.
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.
TDengine
Databases
A high-performance, open-source time-series database built in C for IoT, connected vehicles, and industrial monitoring workloads, with built-in stream processing, caching, and data subscription.
TiDB
AI Development · Databases
AI-Native Distributed SQL Database for Agentic Workloads
CrateDB
Analytics · Databases
Distributed SQL database for real-time analytics at scale
Botpress
AI Assistants · AI Development · Customer Support
The open-source hub for building and deploying LLM-powered AI agents with TypeScript-first tooling, 40+ integrations, and a revolutionary code-execution agent framework.
ClickHouse
Analytics · Data Engineering · Databases
Open-source column-oriented database that delivers real-time analytical queries on petabyte-scale data with millisecond latency.
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.
Typebot
AI Assistants · AI Development · Developer Tools
Build sophisticated chatbots visually, embed them anywhere without iframes, and own your data — fully self-hostable with a modular block system and 30+ integrations.
Agno
AI Development · Automation · Devops
Build, run, and manage agent platforms with a full production stack — SDK, runtime, and control plane included.
Databend
Data Engineering · Databases
Open-source enterprise data warehouse unifying analytics, vector search, full-text search, and AI agent orchestration in a single Rust-built engine on S3.
FastGPT
AI Agents · AI Development
Build, debug, and deploy knowledge-based AI agents with a visual workflow editor, RAG retrieval, and support for any OpenAI-compatible LLM.
Label Studio
AI Development · Data Engineering
Label Studio is an open-source, multi-type data labeling platform that lets teams annotate images, text, audio, video, and time series data with a configurable XML-based UI and export annotations in formats ready for any ML framework.
Medplum
Authentication · Databases · Developer Tools
An open-source, FHIR-native healthcare platform that gives developers a compliant backend, authentication, a React component library, and serverless bots to build clinical applications in weeks instead of years.
OpenMetadata
AI Development · Analytics · Data Engineering
Open-source metadata platform that unifies data catalog, lineage, quality, and governance into a single searchable graph, with an MCP server that gives AI agents governed access to that context.
Appwrite
Authentication · Databases · Developer Tools
Open-source backend platform with Auth, Databases, Storage, Functions, Messaging, Realtime, and Sites — deploy via Docker or use Appwrite Cloud.
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.
Dify
AI Development · Design Tools · Developer Tools
Visual LLM workflow platform with RAG pipelines, agent capabilities, and model management for building production AI applications.
Langfuse
AI Development · Monitoring
Open source AI engineering platform for LLM observability, prompt management, evaluation, and debugging — self-host in minutes or use Langfuse Cloud.
LiteLLM
AI Development · Developer Tools
Open source AI gateway and Python SDK that gives you one OpenAI-compatible interface to call 100+ LLM providers, with built-in routing, cost tracking, guardrails, and virtual keys.
MaxKB
AI Development · Knowledge Management
Build enterprise-grade AI agents with RAG, workflows & multi-modal support
MentraOS
AI Development · Developer Tools
The open source operating system and SDK that lets developers build one app and run it across smart glasses from Even Realities, Vuzix, Mentra Live, and more.
Onyx
AI Agents · AI Assistants · Knowledge Management
Self-hostable AI platform with agentic RAG, 50+ connectors, deep research, code execution, and support for every major LLM provider.
Qdrant
AI Development · Databases · Search
Open-source vector database and search engine built in Rust for production-grade AI applications — from semantic search to RAG pipelines and recommendation systems.