Directory

All Open Source Apps

Every app scored on repo health, technical quality, and dependency risk — before you install anything.

746 apps
Updated continuously
Python
57%
Apache 2.0

MLflow

AI Development · Monitoring

27,953

The open source AI engineering platform for debugging, evaluating, monitoring, and optimizing production LLMs and agents at scale.

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97
Repo Health
86
Technical
67
Dependency
Built with
Python 57%
TypeScript 34%
Updated 1 weeks ago
Go
98%
Apache 2.0

Nightingale

Monitoring

13,287

Open-source alerting engine that connects to any time-series or log data source and routes alarms to 20+ notification channels with AI-assisted triage.

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96
Repo Health
77
Technical
67
Dependency
Built with
Go 98%
Updated 1 weeks ago
Python
80%
Apache 2.0

changedetection.io

Monitoring

34,125

Self-hosted website change detection with AI-powered smart alerts, browser automation, price tracking, and 85+ notification channels.

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92
Repo Health
80
Technical
68
Dependency
Built with
Python 80%
Updated 1 weeks ago
Python
66%
BSD 3

Healthchecks

Devops · Monitoring

10,328

Open-source cron job and background task monitoring that alerts you when your scheduled jobs go silent.

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91
Repo Health
85
Technical
79
Dependency
Built with
Python 66%
HTML 20%
Updated 1 weeks ago
TypeScript
94%
Apache 2.0

OneUptime

Monitoring

7,604

The complete open-source observability platform that replaces PagerDuty, Datadog, Sentry, and StatusPage with a single self-hostable system.

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90
Repo Health
81
Technical
65
Dependency
Built with
TypeScript 94%
Updated 1 weeks ago
Go
63%
Apache 2.0

Coroot

Analytics · Monitoring

7,915

eBPF-powered observability with AI root cause analysis — zero code changes required, full-stack visibility out of the box.

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89
Repo Health
80
Technical
65
Dependency
Built with
Go 63%
Vue 35%
Updated 1 weeks ago
Rust
91%
Apache 2.0

Quickwit

Monitoring · Search

11,629

Cloud-native search engine for logs and traces, delivering sub-second search directly on S3, GCS, or Azure Blob storage at a fraction of Elasticsearch's cost.

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88
Repo Health
83
Technical
74
Dependency
Built with
Rust 91%
Updated 1 weeks ago
TypeScript
98%
Apache 2.0

Tianji

Analytics · Monitoring

3,097

Replace Google Analytics, UptimeKuma, and Prometheus with one self-hosted platform that tracks websites, monitors uptime, and reports server health.

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86
Repo Health
76
Technical
65
Dependency
Built with
TypeScript 98%
Updated 1 weeks ago
TypeScript
64%
Apache 2.0

Laminar

AI Development · Monitoring

3,255

Open-source observability platform purpose-built for AI agents — trace, evaluate, debug, and monitor at scale with SQL access and real-time replay.

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85
Repo Health
76
Technical
66
Dependency
Built with
TypeScript 64%
Rust 34%
Updated 1 weeks ago
HTML
85%
Apache 2.0

Elementary

Analytics · Data Engineering · Monitoring

2,408

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.

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84
Repo Health
75
Technical
79
Dependency
Built with
HTML 85%
Python 15%
Updated 1 weeks ago
Apache 2.0

Temps

Analytics · Devops · Monitoring

756

A self-hosted Rust PaaS that replaces Vercel, Sentry, PostHog, Pingdom, Resend, and E2B with one binary — plus 440+ CLI operations agents like Claude Code can drive directly.

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80
Repo Health
86
Technical
0
Dependency
Go
91%
Apache 2.0

Gatus

Devops · Monitoring

12,075

Developer-oriented health dashboard with active endpoint probing, multi-protocol checks, and 40+ alerting integrations so you know about failures before your users do.

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79
Repo Health
84
Technical
75
Dependency
Built with
Go 91%
Updated 2 weeks ago
JavaScript
92%
BSD 3

xyops

Automation · Monitoring

6,192

A unified, self-hosted platform for job scheduling, visual workflow automation, server monitoring, alerting, and incident response — built for teams who demand full ownership of their operations stack.

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78
Repo Health
74
Technical
76
Dependency
Built with
JavaScript 92%
Updated 2 weeks ago
TypeScript
91%
Apache 2.0

Helicone

AI Development · Analytics · Monitoring

6,156

An open-source AI gateway and LLM observability platform that routes requests to 100+ models while logging cost, latency, and full traces for every call.

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69
Repo Health
81
Technical
65
Dependency
Built with
TypeScript 91%
Updated 1 weeks ago
TypeScript
98%
Apache 2.0

superlog

AI Agents · Monitoring

1,446

Open-source agentic observability that ingests OpenTelemetry signals, groups them into incidents, and deploys AI agents to investigate and fix your production bugs automatically.

View details
65
Repo Health
73
Technical
73
Dependency
Built with
TypeScript 98%
Updated 1 weeks ago
TypeScript
96%
Apache 2.0

Pezzo

AI Development · Monitoring

3,272

Open-source LLMOps platform for prompt management, AI observability, intelligent caching, and real-time cost tracking across LLM providers.

View details
62
Repo Health
75
Technical
66
Dependency
Built with
TypeScript 96%
Updated 1 months ago
Apache 2.0

TensorZero

Ab Testing Experimentation · AI Development · Monitoring

11,719

TensorZero unifies the LLM gateway, observability, evaluation, optimization, and experimentation stack behind a single OpenAI-compatible API, built in Rust for sub-millisecond p99 latency.

View details
54
Repo Health
87
Technical
0
Dependency

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