All Open Source Apps
Every app scored on repo health, technical quality, and dependency risk — before you install anything.
Category
Sort:Health Score
Agent Lightning
AI Development
A Microsoft-built training framework that optimizes AI agents with reinforcement learning, automatic prompt optimization, or supervised fine-tuning — with near-zero code changes to your existing agent, in any framework.
Bugsink
Developer Tools · Monitoring
Self-hosted error tracking that accepts Sentry SDKs out of the box, so you keep your instrumentation and drop the monthly bill.
Cosmos-Server
Authentication · Security
All-in-one self-hosted home server with SmartShield anti-DDoS, Nebula mesh VPN, automatic HTTPS, and a 250-app marketplace — all secured behind a unified auth layer.
Forem
Blogging · Community
Open source Ruby on Rails platform for building developer communities with articles, discussions, and social profiles—the same software that powers dev.to.
solidtime
Invoicing Finance · Productivity
Modern open-source time tracker for freelancers and agencies with invoicing, multi-org support, and Toggl/Clockify migration built in.
Uncloud
Devops
Deploy and scale containerised apps across any servers without Kubernetes or Swarm overhead
Campfire
Collaboration · File Storage · Team Chat
Self-hosted, single-tenant group chat with real-time rooms, direct messages, Web Push, and file sharing — no subscriptions, no external services.
ClearFlask
Community · Product Management
Open-source feedback management and roadmap tool that lets product teams collect, prioritize, and respond to user input — with AI-powered summarization and full self-hosting control.
CubeSandbox
AI Agents · Developer Tools · Security
Instant, concurrent, hardware-isolated MicroVM sandboxes for AI agents — E2B-API compatible, sub-60ms cold starts, and a built-in zero-trust egress proxy, all self-hostable at scale.
Flowfile
Data Engineering
Visual ETL that compiles to Polars — build pipelines on a canvas, export as standalone Python, and run anywhere without platform lock-in.
knowhere
AI Development · AI Memory · Developer Tools
Transform messy, unstructured documents into persistent, navigable memory that AI agents can actually use.
cli
Developer Tools · Team Chat
The official Lark/Feishu CLI tool built for both humans and AI agents, delivering 200+ commands and 26 AI agent skills across 18 business domains from messaging and calendar to docs, sheets, and approvals.
LibrePhotos
File Storage
Self-hosted photo library with AI-powered face recognition, semantic search, and automatic event albums — no cloud required.
Redash
Analytics · Data Engineering
Redash lets anyone connect to 35+ SQL and NoSQL data sources, write a query in the browser, and turn the result into a shared dashboard — no separate BI suite required.
Another Redis Desktop Manager
Databases · Developer Tools
Fast, stable Redis GUI with cluster, SSH, and massive key support
Graphify
AI Agents
A YC-backed, open-source knowledge graph skill for AI coding assistants — type /graphify and it maps your entire project (code, docs, PDFs, images, videos) into a queryable graph instead of grepping through files.
Notifuse
Marketing
Open-source, self-hosted alternative to Mailchimp, Brevo, and Klaviyo — send newsletters and transactional emails without per-email pricing or vendor lock-in.
open-code-review
Developer Tools · Devops
The AI code review agent born at Alibaba's scale — combining deterministic engineering with LLM intelligence for precise, token-efficient reviews.
Ory Kratos
Authentication
API-first identity and user management that handles login, registration, MFA, and recovery so your application never has to.
otari
AI Development · Developer Tools
A self-hosted, OpenAI-compatible LLM gateway that puts one endpoint in front of 40+ providers, with virtual API keys, per-user budgets enforced before spend, and full usage tracking.
overleaf
Collaboration · Productivity
Open-source, real-time collaborative LaTeX editor with sandboxed compilation and full TeXLive support for self-hosted academic and research teams.
sirchmunk
AI Development · Data Engineering
Drop your files and search them instantly — no vector DB, no indexing pipeline, just raw data queried by a self-evolving intelligence layer.
Speakr
AI Assistants
Self-hosted AI transcription with speaker diarization, smart tagging, and multi-user collaboration — your recordings stay on your infrastructure.
CertMate
Devops · Security
Automate SSL certificate lifecycle across any CA, 24+ DNS providers, and every major secret store — with a REST API, web dashboard, and built-in MCP server for AI-driven ops.