Directory

All Open Source Apps

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

748 apps
Updated continuously
JavaScript
98%
Apache 2.0

Parse Server

Databases · Developer Tools

21,405

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
98
Repo Health
81
Technical
77
Dependency
Built with
JavaScript 98%
Updated 4 days ago
Python
58%
Apache 2.0

MLflow

AI Development · Monitoring

28,154

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
66
Dependency
Built with
Python 58%
TypeScript 33%
Updated 3 days ago
Java
100%
Apache 2.0

CrateDB

Analytics · Databases

4,441

Distributed SQL database for real-time analytics at scale

View details
96
Repo Health
76
Technical
79
Dependency
Built with
Java 100%
Updated 4 days ago
Python
100%
Apache 2.0

ClearML

Automation · Devops

6,892

Auto-magical MLOps platform that tracks experiments, versions data, orchestrates pipelines, and serves models with just two lines of code.

View details
94
Repo Health
79
Technical
68
Dependency
Built with
Python 100%
Updated 1 weeks ago
Python
100%
Apache 2.0

Agno

AI Development · Automation · Devops

42,358

Build, run, and manage agent platforms with a full production stack — SDK, runtime, and control plane included.

View details
93
Repo Health
87
Technical
66
Dependency
Built with
Python 100%
Updated 3 days ago
Java
58%
Apache 2.0

Kestra

Automation · Data Engineering · Devops

28,388

Event-driven orchestration platform for data, AI, and infrastructure workflows — define everything in YAML, run anywhere at scale.

View details
93
Repo Health
81
Technical
72
Dependency
Built with
Java 58%
TypeScript 26%
Vue 15%
Updated 6 days ago
Python
79%
Apache 2.0

changedetection.io

Monitoring

34,605

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

View details
91
Repo Health
80
Technical
68
Dependency
Built with
Python 79%
Updated 6 days ago
Java
93%
Apache 2.0

QuestDB

Analytics · Databases

17,360

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.

View details
91
Repo Health
86
Technical
67
Dependency
Built with
Java 93%
Updated 3 days ago
Java
96%
Apache 2.0

XPipe

Developer Tools · Devops · Networking

14,554

A local desktop hub that unifies SSH, Docker, Kubernetes, VMs, and remote desktops into one interface — no agents, no remote setup.

View details
87
Repo Health
78
Technical
0
Dependency
Built with
Java 96%
Updated 4 days ago
HTML
85%
Apache 2.0

Elementary

Analytics · Data Engineering · Monitoring

2,414

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.

View details
81
Repo Health
75
Technical
79
Dependency
Built with
HTML 85%
Python 15%
Updated 4 days ago
Python
94%
Apache 2.0

SWIRL

Data Engineering · Databases · Search

3,047

Federated AI search and RAG across 100+ enterprise sources—no data extraction, no vector database required.

View details
62
Repo Health
83
Technical
65
Dependency
Built with
Python 94%
Updated 5 days ago

Join founders buildingwith open source

Opinionated takes, migration guides, cost-saving tips, and insights from the open source ecosystem.

Subscribe on Substack
Join 750+ subscribers