All Open Source Apps
Every app scored on repo health, technical quality, and dependency risk — before you install anything.
Category
Sort:Health Score
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.
Zed
Code Editors · Collaboration · Developer Tools
High-performance, multiplayer code editor built in Rust by the creators of Atom and Tree-sitter, with native AI integration and real-time collaboration.
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.
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.
SuperTokens
Authentication · Security
Open-source authentication platform you self-host, giving you complete control over user data with zero vendor lock-in.
Windmill
Automation · Developer Tools
Turn scripts into webhooks, workflows, and auto-generated UIs — the fastest self-hostable workflow engine, 13x faster than Airflow.
ChartBrew
Analytics · Databases
Open-source reporting platform to build live dashboards from SQL, NoSQL, APIs, and SaaS tools with an AI assistant that creates charts from natural language.
Meilisearch
Search
Lightning-fast hybrid search engine with AI-powered semantic and full-text retrieval for modern applications.
Stirling PDF
Digital Signiture · Productivity
The open-source PDF platform you can run anywhere — edit, convert, sign, and automate PDFs without sending files to external servers.
Cap
Team Chat · Video Conferencing
Open source Loom alternative with GPU-accelerated recording, instant share links, AI summaries, and full self-hosting via Docker Compose.
GitButler
AI Development · Developer Tools · Devops
Git, but better — a modern version control client with stacked branches, parallel workflows, unlimited undo, and first-class support for AI-powered development.
Arroyo
Analytics · Data Engineering
A distributed stream processing engine written in Rust that lets you write SQL to run stateful, real-time computations over data streams with subsecond results.
Fluree DB
Databases
A temporal, verifiable graph database with git-like branching, integrated vector/text/geo search, and RDF/SPARQL/JSON-LD/openCypher support — benchmarked at 10.4x faster than the next database on the full Wikidata dump.
iii
Developer Tools · Devops
Compose, extend, and observe every backend service in real time using three primitives: Workers, Functions, and Triggers.
LimeSurvey
Forms Surveys
The world's most flexible open-source survey platform with 900+ templates, conditional logic, 80+ languages, and full GDPR compliance for any scale.
ByteChef
AI Agents · Automation
Unified open-source platform for AI agent orchestration and workflow automation with 180+ connectors, MCP support, and durable execution.
DefGuard
Authentication · Networking · Security
Self-hosted secure remote access that unifies WireGuard VPN, identity management, and connection-level MFA in one open-source platform.
Hook0
Devops
Open-source Webhooks-as-a-Service: deliver events to your users with auto-retry, signed payloads, and a real-time subscriber dashboard — all without building the infrastructure yourself.
OpenSign
Digital Signiture
Self-host a full-featured DocuSign alternative with unlimited e-signatures, multi-signer workflows, and cryptographic PDF signing.
Lokus
Knowledge Management · Note Taking
Local-first note-taking with graph view, canvas & AI plugins—your Markdown files, zero telemetry, blazing-fast Rust performance.
hoodik
File Storage · Security
Self-hosted, end-to-end encrypted cloud storage with browser-based encryption and S3-compatible storage support
CodeSandbox
Code Editors · Developer Tools
Instantly ready browser-based IDE that runs full npm dependency resolution and transpilation entirely client-side, with no server needed.
Tabby
AI Code Assistants
Self-hosted AI coding assistant — run GitHub Copilot-grade code completion on your own hardware with no cloud dependency.
Automatisch
Automation · No Code Platforms
Self-hosted, no-code workflow automation that keeps your data on your own servers—a privacy-first alternative to Zapier with 90+ integrations.