All Open Source Apps
Every app scored on repo health, technical quality, and dependency risk — before you install anything.
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MLflow
AI Development · Monitoring
The open source AI engineering platform for debugging, evaluating, monitoring, and optimizing production LLMs and agents at scale.
CrateDB
Analytics · Databases
Distributed SQL database for real-time analytics at scale
Sentry
Analytics · Developer Tools · Monitoring
Developer-first error tracking and performance monitoring platform with AI-powered root-cause analysis across 20+ languages and frameworks.
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.
PostHog
Ab Testing Experimentation · Analytics · Developer Tools
The all-in-one open source product platform combining analytics, session replay, feature flags, error tracking, AI observability, and a built-in data warehouse in a single self-hostable stack.
changedetection.io
Monitoring
Self-hosted website change detection with AI-powered smart alerts, browser automation, price tracking, and 85+ notification channels.
QuestDB
Analytics · Databases
A high-performance, open-source time-series database built for financial market data, IoT telemetry, and real-time analytics, combining a zero-GC Java/C++ core with SIMD-accelerated SQL and a WAL-to-Parquet storage engine.
Healthchecks
Devops · Monitoring
Open-source cron job and background task monitoring that alerts you when your scheduled jobs go silent.
Arize Phoenix
Analytics · Devops · Monitoring
Open-source AI observability platform for tracing, evaluating, and debugging LLM applications with built-in intelligence and MCP support.
Baserow
Databases · No Code Platforms
Open-source no-code platform to build databases, apps, automations, and AI agents — self-hosted or cloud, with full data ownership.
Keep
Automation · Devops · Monitoring
The open-source AIOps and alert management platform that unifies 130+ monitoring tools into a single pane of glass with AI-powered correlation, deduplication, and workflow automation.
Cachet
Monitoring
The open-source, self-hosted status page system that keeps your users informed during outages and maintenance windows.
Maltrail
Monitoring · Security
Detect malicious network traffic using 47+ live threat feeds, heuristics, and a fat-client reporting dashboard — no commercial stack required.
OpenViking
AI Development · AI Memory · Databases
An open-source context database that gives AI agents a unified filesystem for memory, resources, and skills with hierarchical tiered retrieval.
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.
Shadowbroker
Analytics · Monitoring · Security
Self-hosted OSINT dashboard that fuses 60+ live intelligence feeds — flight tracking, ship AIS, satellites, CCTV, seismic and radio networks — into one real-time map, with an agent-ready command channel for AI co-analysts.
Databasement
Databases · Developer Tools · Devops
Self-hosted database backup manager with a web UI for scheduling, encrypting, and restoring MySQL, PostgreSQL, MongoDB, SQL Server, SQLite, Firebird, and Redis to S3, SFTP, Samba, or local storage.
Elementary
Analytics · Data Engineering · Monitoring
The dbt-native data observability CLI that turns your existing dbt tests and metadata into anomaly detection, lineage graphs, and Slack/Teams alerts — no separate platform required.
OpenBB
Analytics · Databases · Invoicing Finance
The AI Workspace for Finance: Connect Data, Run AI Agents, Build Analytics
tirreno
Monitoring · Security
Embed security inside your product — detect threats, fraud, and abuse in real time at the application layer
Hyvor Relay
AI Development · Devops · Monitoring
Self-hosted, open-source email API that automates DNS, manages SMTP delivery, and provides deep observability — replacing SES, Mailgun, and SendGrid with infrastructure you fully own.
SWIRL
Data Engineering · Databases · Search
Federated AI search and RAG across 100+ enterprise sources—no data extraction, no vector database required.
Morphik
AI Development · Databases · Search
Morphik is an AI-native ingestion and retrieval engine that lets developers store, search, and reason over visually rich documents — scanned PDFs, manuals, slides, and video — without duct-taping together OCR, an embedding model, and a vector database.
Maybe
Authentication · Databases · Invoicing Finance
Self-hostable personal finance app that gives you full ownership of your financial data with a clean, minimal Rails-powered interface.