Directory

All Open Source Apps

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

744 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.

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97
Repo Health
81
Technical
78
Dependency
Built with
JavaScript 98%
Updated 1 weeks ago
C
76%
AGPL 3.0

TDengine

Databases

25,115

A high-performance, open-source time-series database built in C for IoT, connected vehicles, and industrial monitoring workloads, with built-in stream processing, caching, and data subscription.

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97
Repo Health
71
Technical
68
Dependency
Built with
C 76%
C++ 16%
Updated 1 weeks ago
Go
95%
Apache 2.0

TiDB

AI Development · Databases

40,528

AI-Native Distributed SQL Database for Agentic Workloads

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97
Repo Health
66
Technical
68
Dependency
Built with
Go 95%
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
C++
68%
Apache 2.0

ClickHouse

Analytics · Data Engineering · Databases

49,890

Open-source column-oriented database that delivers real-time analytical queries on petabyte-scale data with millisecond latency.

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95
Repo Health
90
Technical
68
Dependency
Built with
C++ 68%
Python 13%
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
TypeScript
88%
Apache 2.0

Medplum

Authentication · Databases · Developer Tools

2,674

An open-source, FHIR-native healthcare platform that gives developers a compliant backend, authentication, a React component library, and serverless bots to build clinical applications in weeks instead of years.

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93
Repo Health
90
Technical
72
Dependency
Built with
TypeScript 88%
Updated 1 weeks ago
TypeScript
62%
BSD 3

Appwrite

Authentication · Databases · Developer Tools

57,368

Open-source backend platform with Auth, Databases, Storage, Functions, Messaging, Realtime, and Sites — deploy via Docker or use Appwrite Cloud.

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92
Repo Health
81
Technical
65
Dependency
Built with
TypeScript 62%
PHP 37%
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
Go
79%
Apache 2.0

Dolt

Data Engineering · Databases · Developer Tools

24,440

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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91
Repo Health
9
Technical
65
Dependency
Built with
Go 79%
Shell 19%
Updated 1 weeks ago
TypeScript
83%
Apache 2.0

Grist

Databases · No Code Platforms

11,783

A modern relational spreadsheet that combines Python-powered formulas, drag-and-drop dashboards, and granular access controls in a self-hostable, SQLite-backed data platform.

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91
Repo Health
93
Technical
66
Dependency
Built with
TypeScript 83%
Python 11%
Updated 1 weeks ago
TypeScript
65%
Other

NocoDB

Databases · Low Code Platforms · No Code Platforms

64,974

Turn any SQL database into a collaborative no-code spreadsheet with automatic REST APIs and real-time views.

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91
Repo Health
77
Technical
63
Dependency
Built with
TypeScript 65%
Vue 30%
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.

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91
Repo Health
86
Technical
68
Dependency
Built with
Java 92%
Updated 1 weeks ago
Go
97%
BSD 3

Weaviate

Databases · Search

16,810

Open-source vector database combining semantic search, hybrid queries, RAG, and image search in a single cloud-native system built for production scale.

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91
Repo Health
85
Technical
68
Dependency
Built with
Go 97%
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.

View details
90
Repo Health
83
Technical
64
Dependency
Built with
JavaScript 99%
Updated 1 weeks ago

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