Directory

All Open Source Apps

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

746 apps
Updated continuously
TypeScript
98%
Other

Kibana

Analytics · Monitoring

21,288

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.

View details
98
Repo Health
87
Technical
62
Dependency
Built with
TypeScript 98%
Updated 1 weeks ago
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.

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

Parse Server

Databases · Developer Tools

21,412

Self-hosted Backend-as-a-Service for Node.js with REST, GraphQL, real-time Live Query, cloud code, and pluggable adapters for any infrastructure.

View details
97
Repo Health
81
Technical
78
Dependency
Built with
JavaScript 98%
Updated 1 weeks ago
C
76%
AGPL 3.0

TDengine

Databases

25,115

A high-performance, open-source time-series database built in C for IoT, connected vehicles, and industrial monitoring workloads, with built-in stream processing, caching, and data subscription.

View details
97
Repo Health
71
Technical
68
Dependency
Built with
C 76%
C++ 16%
Updated 1 weeks ago
Go
95%
Apache 2.0

TiDB

AI Development · Databases

40,528

AI-Native Distributed SQL Database for Agentic Workloads

View details
97
Repo Health
66
Technical
68
Dependency
Built with
Go 95%
Updated 1 weeks ago
Java
100%
Apache 2.0

CrateDB

Analytics · Databases

4,435

Distributed SQL database for real-time analytics at scale

View details
96
Repo Health
76
Technical
77
Dependency
Built with
Java 100%
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.

View details
96
Repo Health
77
Technical
67
Dependency
Built with
Go 98%
Updated 1 weeks ago
C++
68%
Apache 2.0

ClickHouse

Analytics · Data Engineering · Databases

49,890

Open-source column-oriented database that delivers real-time analytical queries on petabyte-scale data with millisecond latency.

View details
95
Repo Health
90
Technical
68
Dependency
Built with
C++ 68%
Python 13%
Updated 1 weeks ago
TypeScript
48%
AGPL 3.0

Grafana

Analytics · Monitoring

76,758

The open-source observability platform that unifies metrics, logs, and traces from any data source into dynamic, queryable dashboards.

View details
95
Repo Health
91
Technical
63
Dependency
Built with
TypeScript 48%
Go 46%
Updated 1 weeks ago
Python
58%
Other

Sentry

Analytics · Developer Tools · Monitoring

44,778

Developer-first error tracking and performance monitoring platform with AI-powered root-cause analysis across 20+ languages and frameworks.

View details
95
Repo Health
80
Technical
69
Dependency
Built with
Python 58%
TypeScript 41%
Updated 1 weeks ago
Rust
95%
Other

Databend

Data Engineering · Databases

9,442

Open-source enterprise data warehouse unifying analytics, vector search, full-text search, and AI agent orchestration in a single Rust-built engine on S3.

View details
93
Repo Health
84
Technical
77
Dependency
Built with
Rust 95%
Updated 1 weeks ago
TypeScript
88%
Apache 2.0

Medplum

Authentication · Databases · Developer Tools

2,674

An open-source, FHIR-native healthcare platform that gives developers a compliant backend, authentication, a React component library, and serverless bots to build clinical applications in weeks instead of years.

View details
93
Repo Health
90
Technical
72
Dependency
Built with
TypeScript 88%
Updated 1 weeks ago
Go
45%
GPL 3.0

Netdata

Devops · Monitoring

80,524

Real-time per-second metrics, ML-powered anomaly detection, and zero-config observability for any infrastructure.

View details
93
Repo Health
86
Technical
70
Dependency
Built with
Go 45%
C 32%
Rust 15%
Updated 1 weeks ago
TypeScript
62%
BSD 3

Appwrite

Authentication · Databases · Developer Tools

57,368

Open-source backend platform with Auth, Databases, Storage, Functions, Messaging, Realtime, and Sites — deploy via Docker or use Appwrite Cloud.

View details
92
Repo Health
81
Technical
65
Dependency
Built with
TypeScript 62%
PHP 37%
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.

View details
92
Repo Health
80
Technical
68
Dependency
Built with
Python 80%
Updated 1 weeks ago
TypeScript
97%
Other

GrowthBook

Ab Testing Experimentation · Analytics · Developer Tools

8,363

Open source feature flags, A/B testing, and warehouse-native experimentation that queries your existing data infrastructure—no data movement required.

View details
92
Repo Health
85
Technical
63
Dependency
Built with
TypeScript 97%
Updated 1 weeks ago
TypeScript
98%
Other

Langfuse

AI Development · Monitoring

34,609

Open source AI engineering platform for LLM observability, prompt management, evaluation, and debugging — self-host in minutes or use Langfuse Cloud.

View details
92
Repo Health
81
Technical
65
Dependency
Built with
TypeScript 98%
Updated 1 weeks ago
Python
54%
Other

PostHog

Ab Testing Experimentation · Analytics · Developer Tools

39,797

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.

View details
92
Repo Health
80
Technical
65
Dependency
Built with
Python 54%
TypeScript 36%
Updated 1 weeks ago
Go
90%
AGPL 3.0

Pyroscope

Developer Tools · Devops · Monitoring

11,658

An open-source, horizontally scalable continuous profiling platform that pinpoints CPU, memory, and I/O bottlenecks down to the exact line of code, built by Grafana Labs alongside Loki, Tempo, and Mimir.

View details
92
Repo Health
89
Technical
65
Dependency
Built with
Go 90%
Updated 1 weeks ago
Rust
90%
Apache 2.0

Qdrant

AI Development · Databases · Search

34,564

Open-source vector database and search engine built in Rust for production-grade AI applications — from semantic search to RAG pipelines and recommendation systems.

View details
92
Repo Health
87
Technical
65
Dependency
Built with
Rust 90%
Updated 1 weeks ago
TypeScript
50%
Other

SigNoz

Analytics · Monitoring

32,100

Self-host your entire observability stack — logs, metrics, traces, and LLM monitoring — in one OpenTelemetry-native platform, without the Datadog bill.

View details
92
Repo Health
83
Technical
67
Dependency
Built with
TypeScript 50%
Go 38%
Updated 1 weeks ago
Go
73%
GPL 3.0

1Panel

Devops · Hosting Control Panel · Monitoring

36,892

The only open-source VPS control panel with native AI agent runtime — deploy websites, Docker stacks, and local LLMs from one web interface.

View details
91
Repo Health
76
Technical
67
Dependency
Built with
Go 73%
Vue 27%
Updated 1 weeks ago
TypeScript
59%
Other

agenta

AI Development · Developer Tools · Devops

4,752

The open-source LLMOps platform unifying prompt engineering, evaluation, and observability for teams building reliable LLM applications.

View details
91
Repo Health
77
Technical
67
Dependency
Built with
TypeScript 59%
Python 38%
Updated 1 weeks ago
TypeScript
98%
AGPL 3.0

Checkmate

Analytics · Devops · Monitoring

10,808

Self-hosted uptime and infrastructure monitoring with multi-protocol checks, global geo-coverage, and beautiful real-time dashboards.

View details
91
Repo Health
82
Technical
67
Dependency
Built with
TypeScript 98%
Updated 1 weeks ago

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