Directory

All Open Source Apps

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

748 apps
Updated continuously
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 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.

View details
87
Repo Health
85
Technical
65
Dependency
Built with
Rust 52%
Python 48%
Updated 3 days ago
Python
45%
MIT

Maltrail

Monitoring · Security

8,609

Detect malicious network traffic using 47+ live threat feeds, heuristics, and a fat-client reporting dashboard — no commercial stack required.

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87
Repo Health
59
Technical
100
Dependency
Built with
Python 45%
Rust 39%
Updated 4 days ago
Go
67%
Apache 2.0

OSV.dev

Security

2,948

Google's open-source vulnerability database that maps CVEs to exact package versions across 50+ ecosystems with a public API and data dumps.

View details
87
Repo Health
82
Technical
66
Dependency
Built with
Go 67%
Python 22%
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 6 days ago
Go
54%
GPL 3.0

SafeLine

Security

22,679

Self-hosted WAF with a custom semantic detection engine and ML-powered threat analysis that blocks web attacks without cloud dependency.

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87
Repo Health
72
Technical
68
Dependency
Built with
Go 54%
C++ 19%
Updated 1 weeks 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 6 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.

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85
Repo Health
78
Technical
66
Dependency
Built with
Go 84%
Python 15%
Updated 4 days ago
Go
64%
MIT

hoop

Monitoring · Security

823

A wire-protocol gateway that enforces data masking, command blocking, approval workflows, and full session recording for engineers and AI agents accessing production infrastructure.

View details
85
Repo Health
80
Technical
64
Dependency
Built with
Go 64%
Clojure 17%
JavaScript 11%
Updated 6 days ago
Python
38%
Apache 2.0

OpenSandbox

Developer Tools · Security

15,540

Secure, fast, and extensible sandbox runtime for AI agents with multi-language SDKs and Docker/Kubernetes runtimes.

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85
Repo Health
81
Technical
72
Dependency
Built with
Python 38%
Go 35%
Updated 3 days ago
Rust
67%
Other

DefGuard

Authentication · Networking · Security

2,849

Self-hosted secure remote access that unifies WireGuard VPN, identity management, and connection-level MFA in one open-source platform.

View details
84
Repo Health
82
Technical
72
Dependency
Built with
Rust 67%
TypeScript 31%
Updated 6 days ago
Rust
47%
Apache 2.0

magika

Developer Tools · Security

18,679

AI-powered file type detection that identifies 200+ content types with ~99% accuracy in milliseconds using a compact deep learning model.

View details
84
Repo Health
85
Technical
73
Dependency
Built with
Rust 47%
YARA 16%
Python 12%
Updated 6 days ago
Python
64%
AGPL 3.0

Shadowbroker

Analytics · Monitoring · Security

11,261

Self-hosted OSINT dashboard that fuses 60+ live intelligence feeds — flight tracking, ship AIS, satellites, CCTV, seismic and radio networks — into one real-time map, with an agent-ready command channel for AI co-analysts.

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84
Repo Health
83
Technical
71
Dependency
Built with
Python 64%
TypeScript 32%
Updated 1 weeks 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
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.

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83
Repo Health
84
Technical
70
Dependency
Built with
Python 82%
Updated 4 days ago
Go
49%
Other

Cosmos-Server

Authentication · Security

6,167

All-in-one self-hosted home server with SmartShield anti-DDoS, Nebula mesh VPN, automatic HTTPS, and a 250-app marketplace — all secured behind a unified auth layer.

View details
83
Repo Health
59
Technical
64
Dependency
Built with
Go 49%
JavaScript 48%
Updated 1 weeks 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 4 days ago
Go
32%
Apache 2.0

CubeSandbox

AI Agents · Developer Tools · Security

12,728

Instant, concurrent, hardware-isolated MicroVM sandboxes for AI agents — E2B-API compatible, sub-60ms cold starts, and a built-in zero-trust egress proxy, all self-hostable at scale.

View details
82
Repo Health
88
Technical
63
Dependency
Built with
Go 32%
Rust 26%
C 22%
Updated 1 weeks ago
Go
54%
MPL 2.0

shaper

Analytics · Data Engineering

1,251

Build analytics dashboards, reports, and customer-facing analytics by writing pure SQL — powered by DuckDB and designed for self-hosted deployment.

View details
80
Repo Health
79
Technical
74
Dependency
Built with
Go 54%
TypeScript 45%
Updated 4 days ago
Rust
52%
Other

hoodik

File Storage · Security

1,484

Self-hosted, end-to-end encrypted cloud storage with browser-based encryption and S3-compatible storage support

View details
79
Repo Health
71
Technical
63
Dependency
Built with
Rust 52%
TypeScript 33%
Vue 14%
Updated 1 weeks ago
Go
82%
Other

PrivateCaptcha

Authentication · Security

194

Privacy-first, self-hostable Proof-of-Work CAPTCHA for GDPR-compliant bot protection.

View details
74
Repo Health
78
Technical
74
Dependency
Built with
Go 82%
HTML 11%
Updated 4 days ago
Python
58%
MIT

Docglow

Data Engineering

147

A next-generation documentation site generator for dbt Core projects — lineage explorer, health scoring, and full-text search for teams without access to dbt Cloud's built-in docs features.

View details
67
Repo Health
65
Technical
82
Dependency
Built with
Python 58%
TypeScript 42%
Updated 5 days 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.

View details
67
Repo Health
67
Technical
72
Dependency
Built with
Rust 97%
Updated 4 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.

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

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