All Open Source Apps
Every app scored on repo health, technical quality, and dependency risk — before you install anything.
Category2
Language5
Sort:Health Score
Tyk API Gateway
Developer Tools · Devops
Cloud-native, high-performance open-source API gateway for REST, GraphQL, gRPC, and TCP — built in Go since 2014 with no feature lockout.
Airbyte
Data Engineering · Developer Tools
Open-source ELT platform with 600+ connectors for moving data from any source to warehouses, lakes, and AI agents.
Sentry
Analytics · Developer Tools · Monitoring
Developer-first error tracking and performance monitoring platform with AI-powered root-cause analysis across 20+ languages and frameworks.
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.
Gitea
Developer Tools · Devops · Project Management
Self-hosted DevOps in a single Go binary — Git hosting, GitHub Actions-compatible CI/CD, and 30+ package registries without any SaaS dependency.
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.
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.
Uptime Kuma
Monitoring
Self-hosted monitoring for every service you run — 23 monitor types, 95 notification channels, live dashboards, and public status pages with no vendor lock-in.
AnythingLLM
AI Assistants · Automation · Developer Tools
The all-in-one AI platform for private document chat, no-code agents, and local LLMs with zero setup friction.
Flipt
Developer Tools · Devops
Git-native feature flag platform that stores, versions, and deploys feature toggles directly in your own Git repositories with no external database required.
Ollama
AI Development · Developer Tools
Run Llama, Gemma, DeepSeek, and other open LLMs on your own machine with one command and an OpenAI-compatible API.
Arize Phoenix
Analytics · Devops · Monitoring
Open-source AI observability platform for tracing, evaluating, and debugging LLM applications with built-in intelligence and MCP support.
Convoy
Developer Tools · Devops
Convoy is an open-source, cloud-native webhooks gateway that ingests events over HTTP or straight from Kafka, SQS, Google Pub/Sub, and RabbitMQ, then reliably delivers them to subscriber endpoints with signed payloads, automatic retries, circuit breaking, and JavaScript-based transformations.
Gotify
Developer Tools · Monitoring
A lightweight, self-hosted push notification server that sends and receives messages in real time over WebSocket, with a sleek web UI and a native Go plugin system.
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.
Wakapi
Analytics · Developer Tools
Self-hosted WakaTime-compatible coding statistics backend that gives developers full control over their coding activity data.
Cachet
Monitoring
The open-source, self-hosted status page system that keeps your users informed during outages and maintenance windows.
Hatchet
AI Development · Automation · Developer Tools
A Postgres-backed orchestration engine for background tasks, AI agents, and durable workflows that replaces Redis queues and multi-datastore durable execution platforms with a single self-hostable service.
Crush
AI Assistants · AI Code Assistants · Developer Tools
Your terminal coding companion — wire up any LLM with LSP intelligence, MCP extensibility, and a skills system that learns your workflow.
Gogs
Developer Tools
The painless self-hosted Git service that runs on anything from a Raspberry Pi to a $5 cloud droplet, delivering GitHub-like workflows as a single Go binary.
Formance Ledger
Databases · Developer Tools · Invoicing Finance
The programmable open source core ledger for fintech — build money-moving applications with atomic multi-posting transactions, account-based modeling, and Numscript, a built-in DSL for financial logic.
Maltrail
Monitoring · Security
Detect malicious network traffic using 47+ live threat feeds, heuristics, and a fat-client reporting dashboard — no commercial stack required.
hoop
Monitoring · Security
A wire-protocol gateway that enforces data masking, command blocking, approval workflows, and full session recording for engineers and AI agents accessing production infrastructure.
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.