Directory

All Open Source Apps

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

747 apps
Updated continuously
Python
89%
Apache 2.0

Apache Airflow

Data Engineering

46,995

Define, schedule, and monitor complex data workflows as Python code — with a powerful UI, 80+ provider integrations, and battle-tested scalability across thousands of production deployments.

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96
Repo Health
89
Technical
64
Dependency
Built with
Python 89%
Updated 2 days ago
Go
85%
Apache 2.0

Argo Workflows

Data Engineering · Devops

17,006

The most popular Kubernetes-native workflow engine for orchestrating containerized DAGs, ML pipelines, CI/CD, and parallel batch jobs at scale.

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96
Repo Health
90
Technical
68
Dependency
Built with
Go 85%
TypeScript 11%
Updated 2 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.

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93
Repo Health
81
Technical
72
Dependency
Built with
Java 58%
TypeScript 26%
Vue 15%
Updated 5 days ago
Go
80%
Apache 2.0

Dolt

Data Engineering · Databases · Developer Tools

24,532

The SQL database you can branch, merge, diff, and clone — Git for your data, MySQL-compatible and ready for multi-agent AI workflows.

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90
Repo Health
9
Technical
65
Dependency
Built with
Go 80%
Shell 19%
Updated 5 days ago
Python
65%
Apache 2.0

WrenAI

AI Agents · Analytics · Data Engineering

17,763

Open-source GenBI engine that lets AI agents turn natural-language questions into governed SQL, charts, and shareable dashboards across 20+ data sources — no vendor lock-in, no black-box prompts.

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90
Repo Health
91
Technical
69
Dependency
Built with
Python 65%
Rust 32%
Updated 5 days ago
Python
62%
Apache 2.0

marimo

Data Engineering · Developer Tools

22,918

A reactive Python notebook that eliminates hidden state, runs reproducibly, and deploys as a web app or script — stored as pure Python, built for the AI era.

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89
Repo Health
91
Technical
65
Dependency
Built with
Python 62%
TypeScript 37%
Updated 3 days ago
Rust
52%
Apache 2.0

cocoindex

AI Development · Data Engineering

11,607

An incremental data indexing engine that keeps AI agent context perpetually fresh by reprocessing only what changed.

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87
Repo Health
85
Technical
65
Dependency
Built with
Rust 52%
Python 48%
Updated 2 days ago
Go
39%
Apache 2.0

Rill

Analytics · Data Engineering

2,914

The fastest BI tool for humans and agents — define metrics, models, and dashboards as code and query them instantly on ClickHouse or DuckDB.

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87
Repo Health
88
Technical
64
Dependency
Built with
Go 39%
TypeScript 38%
Svelte 21%
Updated 5 days ago
Python
88%
Apache 2.0

sirchmunk

AI Development · Data Engineering

1,351

Drop your files and search them instantly — no vector DB, no indexing pipeline, just raw data queried by a self-evolving intelligence layer.

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84
Repo Health
70
Technical
72
Dependency
Built with
Python 88%
TypeScript 11%
Updated 1 weeks ago
Rust
97%
Apache 2.0

Volga

Data Engineering

161

A Rust-based real-time data processing engine for AI/ML feature computation, built on Apache DataFusion and Arrow — positioned as an alternative to Flink, Spark, Chronon, and OpenMLDB with unified streaming, batch, and request-time execution.

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67
Repo Health
67
Technical
72
Dependency
Built with
Rust 97%
Updated 3 days ago
Python
59%
Apache 2.0

argilla

AI Development · Data Engineering

5,125

Collaborate on high-quality AI training data with a self-hosted annotation platform built for LLMs, NLP, and multimodal models.

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65
Repo Health
81
Technical
61
Dependency
Built with
Python 59%
Jupyter Notebook 21%
Updated 1 weeks 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.

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62
Repo Health
83
Technical
65
Dependency
Built with
Python 94%
Updated 4 days ago
Java
34%
Apache 2.0

Enso

Analytics · Data Engineering · Low Code Platforms

7,441

A visual and textual programming platform for data prep and analysis where the node graph and the underlying Enso code are always perfectly in sync, built by an Alteryx co-founder on a GraalVM engine.

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59
Repo Health
90
Technical
61
Dependency
Built with
Java 34%
TypeScript 27%
Scala 26%
Updated 1 months ago

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