Directory

All Open Source Apps

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

748 apps
Updated continuously
Python
86%
Apache 2.0

PrivateGPT

AI Development

57,548

The open-source API layer that turns local LLMs into production private AI applications with full Claude API compatibility

View details
87
Repo Health
83
Technical
69
Dependency
Built with
Python 86%
Updated 1 weeks ago
Rust
77%
Apache 2.0

SlateDB

Databases · Developer Tools

3,448

Embedded KV store built on object storage with zero replication cost

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87
Repo Health
73
Technical
72
Dependency
Built with
Rust 77%
Updated 6 days ago
Rust
93%
Apache 2.0

helix-db

Databases

6,102

A graph-vector database built from scratch in Rust that unifies graph traversal, vector search, key-value, and relational storage into a single platform for AI applications.

View details
86
Repo Health
80
Technical
80
Dependency
Built with
Rust 93%
Updated 4 days ago
Python
99%
MIT

Agent Lightning

AI Development

18,515

A Microsoft-built training framework that optimizes AI agents with reinforcement learning, automatic prompt optimization, or supervised fine-tuning — with near-zero code changes to your existing agent, in any framework.

View details
85
Repo Health
68
Technical
69
Dependency
Built with
Python 99%
Updated 3 days ago
Python
92%
Apache 2.0

ART

AI Development

10,779

Give your LLM agents on-the-job training—ART lets you apply GRPO reinforcement learning to any multi-step agentic workflow with minimal code changes.

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85
Repo Health
82
Technical
73
Dependency
Built with
Python 92%
Updated 4 days ago
Python
82%
Apache 2.0

headroom

AI Development · Developer Tools

73,966

Compress everything your AI agent reads — tool outputs, logs, RAG chunks, and files — before it reaches the LLM, achieving 60–95% fewer tokens with the same answers.

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85
Repo Health
86
Technical
69
Dependency
Built with
Python 82%
Rust 12%
Updated 4 days ago
Python
75%
AGPL 3.0

OpenViking

AI Development · AI Memory · Databases

38,819

An open-source context database that gives AI agents a unified filesystem for memory, resources, and skills with hierarchical tiered retrieval.

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85
Repo Health
75
Technical
64
Dependency
Built with
Python 75%
Rust 12%
Updated 3 days ago
Python
94%
MIT

MemPalace

AI Agents · AI Development · AI Memory

59,323

Local-first AI memory with verbatim storage, pluggable backends, and 96.6% retrieval recall on LongMemEval — no API key required.

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84
Repo Health
84
Technical
72
Dependency
Built with
Python 94%
Updated 6 days ago
Rust
71%
Apache 2.0

mesh-llm

AI Agents · AI Development

3,463

Mesh LLM pools GPUs and memory across every machine you own into one OpenAI-compatible API, so agents tap distributed compute instead of a single GPU box or a metered cloud bill.

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84
Repo Health
91
Technical
69
Dependency
Built with
Rust 71%
TypeScript 13%
Python 10%
Updated 3 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
PHP
82%
MIT

Databasement

Databases · Developer Tools · Devops

2,468

Self-hosted database backup manager with a web UI for scheduling, encrypting, and restoring MySQL, PostgreSQL, MongoDB, SQL Server, SQLite, Firebird, and Redis to S3, SFTP, Samba, or local storage.

View details
82
Repo Health
77
Technical
69
Dependency
Built with
PHP 82%
Blade 16%
Updated 4 days ago
Rust
96%
Apache 2.0

InfluxDB

Analytics · Databases

31,758

Open-source time-series database built for real-time ingest, fast SQL queries, and embedded Python automation — powered by Apache Arrow and Parquet.

View details
82
Repo Health
76
Technical
72
Dependency
Built with
Rust 96%
Updated 6 days ago
Python
86%
Apache 2.0

knowhere

AI Development · AI Memory · Developer Tools

3,541

Transform messy, unstructured documents into persistent, navigable memory that AI agents can actually use.

View details
82
Repo Health
75
Technical
66
Dependency
Built with
Python 86%
HTML 14%
Updated 1 weeks ago
JavaScript
94%
MIT

Another Redis Desktop Manager

Databases · Developer Tools

34,787

Fast, stable Redis GUI with cluster, SSH, and massive key support

View details
81
Repo Health
56
Technical
67
Dependency
Built with
JavaScript 94%
Updated 1 months ago
Python
63%
Apache 2.0

otari

AI Development · Developer Tools

494

A self-hosted, OpenAI-compatible LLM gateway that puts one endpoint in front of 40+ providers, with virtual API keys, per-user budgets enforced before spend, and full usage tracking.

View details
81
Repo Health
88
Technical
77
Dependency
Built with
Python 63%
TypeScript 35%
Updated 4 days ago
Python
85%
MIT

ai-toolkit

AI Design Tools · AI Development

12,143

An all-in-one open-source training suite for finetuning diffusion models—FLUX, SDXL, Wan video, and audio—on consumer GPU hardware via CLI or web UI.

View details
79
Repo Health
66
Technical
72
Dependency
Built with
Python 85%
TypeScript 14%
Updated 4 days ago
Python
67%
AGPL 3.0

MiroFish

AI Agents · AI Development

75,037

A universal swarm intelligence engine that spawns thousands of autonomous AI agents to simulate and predict how real-world events unfold across social, financial, and political domains.

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79
Repo Health
65
Technical
79
Dependency
Built with
Python 67%
Vue 33%
Updated 2 weeks ago
Rust
56%
Apache 2.0

Magnitude

AI Development · Developer Tools

5,285

An open source inference engine that profiles your hardware, recommends the best local models, and tunes them for the coding agent you already use.

View details
78
Repo Health
83
Technical
71
Dependency
Built with
Rust 56%
TypeScript 18%
Python 11%
Updated 3 days ago
Python
73%
Apache 2.0

timesfm

AI Development · Analytics

33,870

A pretrained decoder-only foundation model by Google Research that delivers zero-shot time series forecasting with calibrated quantile prediction intervals — no training required.

View details
78
Repo Health
81
Technical
71
Dependency
Built with
Python 73%
HTML 14%
Jupyter Notebook 12%
Updated 2 weeks ago
JavaScript
99%
AGPL 3.0

drawDB

Databases

39,723

Design database schemas visually in your browser and export executable SQL for any major database — no account required.

View details
77
Repo Health
70
Technical
73
Dependency
Built with
JavaScript 99%
Updated 5 days ago
Python
100%
Other

OpenBB

Analytics · Databases · Invoicing Finance

73,553

The AI Workspace for Finance: Connect Data, Run AI Agents, Build Analytics

View details
77
Repo Health
80
Technical
67
Dependency
Built with
Python 100%
Updated 3 days ago
Python
82%
Other

fish-speech

AI Development · Developer Tools · Music Audio

32,864

SOTA open-source dual-autoregressive text-to-speech model with rapid voice cloning, inline emotion tags, and real-time streaming inference across 80+ languages.

View details
69
Repo Health
71
Technical
73
Dependency
Built with
Python 82%
TypeScript 14%
Updated 2 weeks ago
PHP
63%
AGPL 3.0

Hyvor Relay

AI Development · Devops · Monitoring

908

Self-hosted, open-source email API that automates DNS, manages SMTP delivery, and provides deep observability — replacing SES, Mailgun, and SendGrid with infrastructure you fully own.

View details
68
Repo Health
79
Technical
70
Dependency
Built with
PHP 63%
Svelte 23%
Go 11%
Updated 6 days ago
Java
76%
Apache 2.0

Nubase

AI Development · Low Code Platforms

624

Turn AI-written code into real apps — an open-source, self-hostable backend with Database, Auth, Storage, Memory, Functions, Assets, AI Gateway, and cron built for AI coding agents.

View details
68
Repo Health
76
Technical
74
Dependency
Built with
Java 76%
TypeScript 21%
Updated 1 months ago

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