Directory

All Open Source Apps

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

746 apps
Updated continuously
JavaScript
98%
Apache 2.0

Parse Server

Databases · Developer Tools

21,412

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
97
Repo Health
81
Technical
78
Dependency
Built with
JavaScript 98%
Updated 1 weeks ago
Java
100%
Apache 2.0

CrateDB

Analytics · Databases

4,435

Distributed SQL database for real-time analytics at scale

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96
Repo Health
76
Technical
77
Dependency
Built with
Java 100%
Updated 1 weeks ago
Java
78%
GPL 3.0

DataEase

AI Assistants · Analytics · Data Engineering

24,431

Open-source BI tool with drag-and-drop dashboards, 20+ data source connectors, and AI-powered natural language queries — a self-hosted alternative to Tableau.

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94
Repo Health
71
Technical
65
Dependency
Built with
Java 78%
Vue 22%
Updated 1 weeks ago
Rust
95%
Other

Databend

Data Engineering · Databases

9,442

Open-source enterprise data warehouse unifying analytics, vector search, full-text search, and AI agent orchestration in a single Rust-built engine on S3.

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93
Repo Health
84
Technical
77
Dependency
Built with
Rust 95%
Updated 1 weeks ago
Rust
90%
Apache 2.0

Qdrant

AI Development · Databases · Search

34,564

Open-source vector database and search engine built in Rust for production-grade AI applications — from semantic search to RAG pipelines and recommendation systems.

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92
Repo Health
87
Technical
65
Dependency
Built with
Rust 90%
Updated 1 weeks ago
JavaScript
86%
AGPL 3.0

SillyTavern

AI Assistants

33,368

The power-user LLM frontend that unifies dozens of AI backends with a rich scripting engine, immersive Visual Novel mode, and a thriving extension ecosystem.

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92
Repo Health
71
Technical
67
Dependency
Built with
JavaScript 86%
Updated 1 weeks ago
JavaScript
95%
MIT

AnythingLLM

AI Assistants · Automation · Developer Tools

66,023

The all-in-one AI platform for private document chat, no-code agents, and local LLMs with zero setup friction.

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91
Repo Health
78
Technical
64
Dependency
Built with
JavaScript 95%
Updated 1 weeks ago
Java
92%
Apache 2.0

QuestDB

Analytics · Databases

17,321

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
68
Dependency
Built with
Java 92%
Updated 1 weeks ago
JavaScript
99%
Other

ChartBrew

Analytics · Databases

4,058

Open-source reporting platform to build live dashboards from SQL, NoSQL, APIs, and SaaS tools with an AI assistant that creates charts from natural language.

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90
Repo Health
83
Technical
64
Dependency
Built with
JavaScript 99%
Updated 1 weeks ago
Rust
40%
Apache 2.0

LanceDB

AI Development · Databases

11,423

Open-source, embedded vector database built on the Lance columnar format for fast multimodal search across billions of vectors, backed by Y Combinator (W23).

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90
Repo Health
86
Technical
72
Dependency
Built with
Rust 40%
HTML 26%
Python 25%
Updated 1 weeks ago
Rust
86%
AGPL 3.0

ParadeDB

Analytics · Databases · Search

9,263

Born out of Y Combinator's S2023 batch, ParadeDB is a Postgres extension that delivers Elasticsearch-quality BM25 search and real-time analytics without a separate search cluster to manage.

View details
88
Repo Health
87
Technical
68
Dependency
Built with
Rust 86%
PLpgSQL 14%
Updated 1 weeks ago
Rust
77%
Apache 2.0

SlateDB

Databases · Developer Tools

3,409

Embedded KV store built on object storage with zero replication cost

View details
88
Repo Health
73
Technical
73
Dependency
Built with
Rust 77%
Updated 1 weeks ago
Rust
97%
MPL 2.0

Sonic

Databases · Search

21,341

Fast, lightweight, schema-less search backend in Rust — microsecond queries, 30MB RAM, no document storage required.

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88
Repo Health
88
Technical
70
Dependency
Built with
Rust 97%
Updated 2 weeks ago
Rust
99%
Other

Fluree DB

Databases

453

A temporal, verifiable graph database with git-like branching, integrated vector/text/geo search, and RDF/SPARQL/JSON-LD/openCypher support — benchmarked at 10.4x faster than the next database on the full Wikidata dump.

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87
Repo Health
74
Technical
66
Dependency
Built with
Rust 99%
Updated 1 weeks ago
Rust
48%
MIT

Meetily

AI Assistants · Productivity

30,768

Privacy-first AI meeting assistant that transcribes and summarizes your meetings entirely on your local machine — no cloud, no data leakage.

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87
Repo Health
72
Technical
67
Dependency
Built with
Rust 48%
TypeScript 29%
Updated 1 weeks ago
JavaScript
62%
MIT

OpenWhispr

AI Assistants · Productivity · Voice AI

8,193

Privacy-first, cross-platform voice-to-text with local AI and cloud options

View details
87
Repo Health
80
Technical
72
Dependency
Built with
JavaScript 62%
TypeScript 34%
Updated 1 weeks ago
Rust
93%
Apache 2.0

helix-db

Databases

5,904

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 1 weeks ago
Rust
96%
Apache 2.0

InfluxDB

Analytics · Databases

31,740

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
83
Repo Health
76
Technical
72
Dependency
Built with
Rust 96%
Updated 1 weeks ago
JavaScript
94%
MIT

Another Redis Desktop Manager

Databases · Developer Tools

34,759

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

View details
82
Repo Health
56
Technical
67
Dependency
Built with
JavaScript 94%
Updated 1 months ago
PHP
82%
MIT

Databasement

Databases · Developer Tools · Devops

2,368

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
81
Repo Health
77
Technical
69
Dependency
Built with
PHP 82%
Blade 17%
Updated 1 weeks ago
JavaScript
99%
AGPL 3.0

drawDB

Databases

39,541

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 1 weeks ago
Rust
92%
Apache 2.0

Murr

Databases

110

A RocksDB-based NVMe/S3 cache purpose-built for AI inference workloads — a faster Redis replacement optimized for batch, low-latency, zero-copy reads and writes between data pipelines and inference apps.

View details
66
Repo Health
72
Technical
76
Dependency
Built with
Rust 92%
Updated 1 weeks ago
Rust
63%
MIT

PostgresML

AI Development · Databases

6,820

Run ML training and LLM inference natively inside PostgreSQL with GPU acceleration — no data movement required.

View details
51
Repo Health
76
Technical
64
Dependency
Built with
Rust 63%
JavaScript 11%
Updated 1 years ago
JavaScript
88%
GPL 3.0

Glass by Pickle

AI Assistants

7,608

A privacy-first desktop AI assistant that sees your screen, hears your meetings, and turns live context into structured summaries—without sending a single byte to the cloud.

View details
43
Repo Health
76
Technical
67
Dependency
Built with
JavaScript 88%
TypeScript 12%
Updated 11 months ago

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