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
63%
BSD 3

Flagsmith

Ab Testing Experimentation · Developer Tools · Devops

6,577

Open-source feature flagging, remote config, and A/B/multivariate testing platform for web, mobile, and server-side apps — self-host or use the hosted SaaS.

View details
90
Repo Health
82
Technical
63
Dependency
Built with
Python 63%
TypeScript 31%
Updated 4 days ago
Go
74%
Other

Flipt

Developer Tools · Devops

4,911

Git-native feature flag platform that stores, versions, and deploys feature toggles directly in your own Git repositories with no external database required.

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90
Repo Health
83
Technical
69
Dependency
Built with
Go 74%
TypeScript 25%
Updated 2 days ago
Python
66%
BSD 3

Healthchecks

Devops · Monitoring

10,367

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

View details
90
Repo Health
85
Technical
79
Dependency
Built with
Python 66%
HTML 20%
Updated 1 weeks ago
Python
49%
Other

Arize Phoenix

Analytics · Devops · Monitoring

11,641

Open-source AI observability platform for tracing, evaluating, and debugging LLM applications with built-in intelligence and MCP support.

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90
Repo Health
88
Technical
67
Dependency
Built with
Python 49%
TypeScript 42%
Updated 2 days ago
Rust
91%
MIT

Wasmer

Developer Tools · Devops

21,097

A fast, secure WebAssembly runtime that runs lightweight containers anywhere — from desktop and cloud to the edge and the browser.

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90
Repo Health
89
Technical
89
Dependency
Built with
Rust 91%
Updated 4 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
Go
72%
Other

Convoy

Developer Tools · Devops

2,876

Convoy is an open-source, cloud-native webhooks gateway that ingests events over HTTP or straight from Kafka, SQS, Google Pub/Sub, and RabbitMQ, then reliably delivers them to subscriber endpoints with signed payloads, automatic retries, circuit breaking, and JavaScript-based transformations.

View details
89
Repo Health
81
Technical
65
Dependency
Built with
Go 72%
TypeScript 15%
HTML 12%
Updated 3 days ago
Go
46%
Apache 2.0

Cozystack

Devops · Hosting Control Panel

2,239

Turn bare metal servers into a fully managed cloud platform with a single Kubernetes-native REST API.

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89
Repo Health
84
Technical
78
Dependency
Built with
Go 46%
Shell 37%
Updated 3 days ago
Rust
65%
Other

GitButler

AI Development · Developer Tools · Devops

21,726

Git, but better — a modern version control client with stacked branches, parallel workflows, unlimited undo, and first-class support for AI-powered development.

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89
Repo Health
84
Technical
66
Dependency
Built with
Rust 65%
TypeScript 22%
Svelte 10%
Updated 2 days ago
Go
62%
Apache 2.0

Harness Open Source

Code Editors · Developer Tools · Devops

38,450

A unified open source DevOps platform combining Git hosting, CI/CD pipelines, cloud development environments, and artifact registries in a single self-hosted system.

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89
Repo Health
79
Technical
64
Dependency
Built with
Go 62%
TypeScript 33%
Updated 5 days ago
Python
64%
Other

Keep

Automation · Devops · Monitoring

12,359

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.

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89
Repo Health
79
Technical
66
Dependency
Built with
Python 64%
TypeScript 36%
Updated 1 weeks 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
Go
81%
AGPL 3.0

PeerDB

Data Engineering · Databases

3,288

Postgres-native ETL that streams change data capture in real time to Snowflake, BigQuery, ClickHouse, S3, and Kafka — up to 10x faster than general-purpose pipelines, managed through a familiar Postgres SQL interface.

View details
88
Repo Health
76
Technical
66
Dependency
Built with
Go 81%
TypeScript 12%
Updated 2 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.

View details
87
Repo Health
85
Technical
65
Dependency
Built with
Rust 52%
Python 48%
Updated 2 days ago
Rust
73%
Other

iii

Developer Tools · Devops

18,814

Compose, extend, and observe every backend service in real time using three primitives: Workers, Functions, and Triggers.

View details
87
Repo Health
85
Technical
65
Dependency
Built with
Rust 73%
TypeScript 16%
Updated 3 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.

View details
87
Repo Health
88
Technical
64
Dependency
Built with
Go 39%
TypeScript 38%
Svelte 21%
Updated 5 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 3 days ago
Rust
86%
Other

Arroyo

Analytics · Data Engineering

5,039

A distributed stream processing engine written in Rust that lets you write SQL to run stateful, real-time computations over data streams with subsecond results.

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86
Repo Health
74
Technical
62
Dependency
Built with
Rust 86%
Updated 5 days ago
Go
84%
AGPL 3.0

Beta9

AI Development · Automation · Data Engineering

1,794

Run AI workloads at scale with a Pythonic serverless runtime that handles GPU inference, background jobs, and sandboxes with zero infrastructure overhead.

View details
85
Repo Health
78
Technical
66
Dependency
Built with
Go 84%
Python 15%
Updated 3 days ago
Go
59%
Apache 2.0

Cog

AI Development · Developer Tools · Devops

9,484

An open-source CLI that packages machine learning models into standard, production-ready Docker containers — no Dockerfile wrangling, no CUDA version hell.

View details
85
Repo Health
88
Technical
69
Dependency
Built with
Go 59%
Rust 17%
HTML 13%
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.

View details
84
Repo Health
70
Technical
72
Dependency
Built with
Python 88%
TypeScript 11%
Updated 1 weeks ago
Go
86%
Apache 2.0

Uncloud

Devops

5,503

Deploy and scale containerised apps across any servers without Kubernetes or Swarm overhead

View details
84
Repo Health
78
Technical
67
Dependency
Built with
Go 86%
Updated 2 days ago
Python
82%
MIT

CertMate

Devops · Security

1,435

Automate SSL certificate lifecycle across any CA, 24+ DNS providers, and every major secret store — with a REST API, web dashboard, and built-in MCP server for AI-driven ops.

View details
83
Repo Health
84
Technical
70
Dependency
Built with
Python 82%
Updated 3 days ago
Python
65%
MIT

Flowfile

Data Engineering

363

Visual ETL that compiles to Polars — build pipelines on a canvas, export as standalone Python, and run anywhere without platform lock-in.

View details
83
Repo Health
81
Technical
66
Dependency
Built with
Python 65%
Vue 17%
TypeScript 17%
Updated 3 days ago

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