All Open Source Apps
Every app scored on repo health, technical quality, and dependency risk — before you install anything.
Category
Sort:Health Score
marimo
Data Engineering · Developer Tools
A reactive Python notebook that eliminates hidden state, runs reproducibly, and deploys as a web app or script — stored as pure Python, built for the AI era.
Polar
Developer Tools · Ecommerce · Invoicing Finance
Open source payments infrastructure that turns software into a business — subscriptions, usage-based billing, digital products, and merchant-of-record compliance in one platform.
SpiceDB
Authentication · Databases · Security
An open source, Google Zanzibar-inspired authorization database that models permissions as relationships and evaluates fine-grained access checks at massive scale with single-digit millisecond latency.
Authgear
Authentication
Open-source, self-hostable authentication platform with passkeys, biometric login, SSO, MFA, and GraphQL admin API — a full Auth0/Clerk/Firebase alternative for SaaS and mobile apps.
Coroot
Analytics · Monitoring
eBPF-powered observability with AI root cause analysis — zero code changes required, full-stack visibility out of the box.
drawio-desktop
Design Tools · Productivity
The offline-first diagram editor that puts security above all else — no account, no data leaving your machine, no compromises.
GPT Researcher
AI Assistants · Productivity
The pioneering open-source autonomous AI agent that conducts deep, multi-source research and produces citation-backed reports exceeding 2,000 words — faster and more reliably than any human researcher.
Harness Open Source
Code Editors · Developer Tools · Devops
A unified open source DevOps platform combining Git hosting, CI/CD pipelines, cloud development environments, and artifact registries in a single self-hosted system.
ntfy
Developer Tools · Marketing
Send push notifications to your phone or desktop from any script or service using a single HTTP PUT or POST—no sign-up required.
Unsloth
AI Assistants · AI Development
Run and fine-tune LLMs, diffusion, audio and embedding models on your own hardware, from a native desktop app, a browser UI, or a Python library.
Miniflux
Bookmarks Archiving
Privacy-first, opinionated feed reader built for speed and control—no bloat, no trackers, no JavaScript overhead.
Cozystack
Devops · Hosting Control Panel
Turn bare metal servers into a fully managed cloud platform with a single Kubernetes-native REST API.
PrivateGPT
AI Development
The open-source API layer that turns local LLMs into production private AI applications with full Claude API compatibility
Rill
Analytics · Data Engineering
The fastest BI tool for humans and agents — define metrics, models, and dashboards as code and query them instantly on ClickHouse or DuckDB.
SurfSense
AI Assistants · Search
The open-source, unlimited NotebookLM alternative with real-time collaboration, a desktop app, and no vendor lock-in.
Cog
AI Development · Developer Tools · Devops
An open-source CLI that packages machine learning models into standard, production-ready Docker containers — no Dockerfile wrangling, no CUDA version hell.
OpenMeter
Developer Tools · Invoicing Finance
Open-source metering and billing engine for AI, agentic, and DevTool monetization — ingest usage events in real time and turn them into accurate invoices automatically.
OSV.dev
Security
Google's open-source vulnerability database that maps CVEs to exact package versions across 50+ ecosystems with a public API and data dumps.
XPipe
Developer Tools · Devops · Networking
A local desktop hub that unifies SSH, Docker, Kubernetes, VMs, and remote desktops into one interface — no agents, no remote setup.
Apache Answer
Community
Open-source Q&A platform for communities, help centers, and knowledge bases with AI assistant and plugin extensibility
ART
AI Development
Give your LLM agents on-the-job training—ART lets you apply GRPO reinforcement learning to any multi-step agentic workflow with minimal code changes.
headroom
AI Development · Developer Tools
Compress everything your AI agent reads — tool outputs, logs, RAG chunks, and files — before it reaches the LLM, achieving 60–95% fewer tokens with the same answers.
opencloud
File Storage
Open source file management and collaboration platform that keeps your data under your control, no database required.
OpenSandbox
Developer Tools · Security
Secure, fast, and extensible sandbox runtime for AI agents with multi-language SDKs and Docker/Kubernetes runtimes.