Directory
All Open Source Apps
Every app scored on repo health, technical quality, and dependency risk — before you install anything.
746 apps
Updated continuously
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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
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
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
Python
94%
Apache 2.0
SWIRL
Data Engineering · Databases · Search
3,044
Federated AI search and RAG across 100+ enterprise sources—no data extraction, no vector database required.
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72
Repo Health
83
Technical
65
Dependency
Built with
Python
94%
Updated 2 weeks ago
