Directory

All Open Source Apps

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

745 apps
Updated continuously
JavaScript
98%
Apache 2.0

Parse Server

Databases · Developer Tools

21,405

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
98
Repo Health
81
Technical
77
Dependency
Built with
JavaScript 98%
Updated yesterday
Java
100%
Apache 2.0

CrateDB

Analytics · Databases

4,441

Distributed SQL database for real-time analytics at scale

View details
96
Repo Health
76
Technical
79
Dependency
Built with
Java 100%
Updated yesterday
Java
70%
GPL 3.0

DataEase

AI Assistants · Analytics · Data Engineering

24,558

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 70%
Vue 29%
Updated today
Rust
95%
Other

Databend

Data Engineering · Databases

9,452

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 today
Java
58%
Apache 2.0

Kestra

Automation · Data Engineering · Devops

28,388

Event-driven orchestration platform for data, AI, and infrastructure workflows — define everything in YAML, run anywhere at scale.

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93
Repo Health
81
Technical
72
Dependency
Built with
Java 58%
TypeScript 26%
Vue 15%
Updated 3 days ago
Rust
90%
Apache 2.0

Qdrant

AI Development · Databases · Search

34,857

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

View details
92
Repo Health
87
Technical
65
Dependency
Built with
Rust 90%
Updated yesterday
Java
93%
Apache 2.0

QuestDB

Analytics · Databases

17,360

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
67
Dependency
Built with
Java 93%
Updated today
JavaScript
99%
Other

ChartBrew

Analytics · Databases

4,063

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 4 days ago
Rust
43%
Apache 2.0

LanceDB

AI Development · Databases

11,544

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
71
Dependency
Built with
Rust 43%
Python 25%
HTML 23%
Updated yesterday
Rust
86%
AGPL 3.0

ParadeDB

Analytics · Databases · Search

9,311

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.

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89
Repo Health
87
Technical
68
Dependency
Built with
Rust 86%
PLpgSQL 14%
Updated today
Rust
97%
MPL 2.0

Sonic

Databases · Search

21,353

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 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.

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87
Repo Health
85
Technical
65
Dependency
Built with
Rust 52%
Python 48%
Updated today
Rust
99%
Other

Fluree DB

Databases

469

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
65
Dependency
Built with
Rust 99%
Updated yesterday
Rust
77%
Apache 2.0

SlateDB

Databases · Developer Tools

3,448

Embedded KV store built on object storage with zero replication cost

View details
87
Repo Health
73
Technical
72
Dependency
Built with
Rust 77%
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 3 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 yesterday
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 3 days 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
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.

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77
Repo Health
70
Technical
73
Dependency
Built with
JavaScript 99%
Updated 2 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 yesterday
Rust
92%
Apache 2.0

Murr

Databases

111

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.

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63
Repo Health
72
Technical
76
Dependency
Built with
Rust 92%
Updated 2 weeks ago
Java
34%
Apache 2.0

Enso

Analytics · Data Engineering · Low Code Platforms

7,441

A visual and textual programming platform for data prep and analysis where the node graph and the underlying Enso code are always perfectly in sync, built by an Alteryx co-founder on a GraalVM engine.

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59
Repo Health
90
Technical
61
Dependency
Built with
Java 34%
TypeScript 27%
Scala 26%
Updated 1 months ago
Ruby
70%
AGPL 3.0

Maybe

Authentication · Databases · Invoicing Finance

54,263

Self-hostable personal finance app that gives you full ownership of your financial data with a clean, minimal Rails-powered interface.

View details
52
Repo Health
82
Technical
0
Dependency
Built with
Ruby 70%
HTML 23%
Updated 1 years ago
Rust
63%
MIT

PostgresML

AI Development · Databases

6,825

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

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