All Open Source Apps
Every app scored on repo health, technical quality, and dependency risk — before you install anything.
Category1
Sort:Health Score
Kibana
Analytics · Monitoring
Your open source window into the Elastic Stack — query, visualize, and act on data stored in Elasticsearch with real-time dashboards, AI-assisted search, and automated alerting.
Sentry
Analytics · Developer Tools · Monitoring
Developer-first error tracking and performance monitoring platform with AI-powered root-cause analysis across 20+ languages and frameworks.
GrowthBook
Ab Testing Experimentation · Analytics · Developer Tools
Open source feature flags, A/B testing, and warehouse-native experimentation that queries your existing data infrastructure—no data movement required.
Langfuse
AI Development · Monitoring
Open source AI engineering platform for LLM observability, prompt management, evaluation, and debugging — self-host in minutes or use Langfuse 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.
SigNoz
Analytics · Monitoring
Self-host your entire observability stack — logs, metrics, traces, and LLM monitoring — in one OpenTelemetry-native platform, without the Datadog bill.
agenta
AI Development · Developer Tools · Devops
The open-source LLMOps platform unifying prompt engineering, evaluation, and observability for teams building reliable LLM applications.
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.
Arize Phoenix
Analytics · Devops · Monitoring
Open-source AI observability platform for tracing, evaluating, and debugging LLM applications with built-in intelligence and MCP support.
Cachet
Monitoring
The open-source, self-hosted status page system that keeps your users informed during outages and maintenance windows.
World Monitor
Analytics · Monitoring
Real-time global intelligence dashboard that fuses AI-synthesized news, geopolitical risk scoring, and infrastructure tracking into one open-source situational awareness platform.
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.
Requestly
Developer Tools · Monitoring · Security
Open-source HTTP interceptor and API mocker trusted by 300,000+ developers — intercept, modify, and mock HTTP traffic from browser extensions or desktop without complex proxy setup.
highlight.io
Analytics · Developer Tools · Monitoring
Open-source full-stack monitoring that unifies session replay, error tracking, logging, and distributed tracing so you can stop context-switching between tools.