Open Source Databases Apps
Find the best open source databases to power your applications. Explore powerful, flexible solutions for data storage, management & retrieval.
Apps in Databases
Language
License
SWIRL
Data Engineering · Databases · Search
Federated AI search and RAG across 100+ enterprise sources—no data extraction, no vector database required.
undb
Databases · No Code Platforms
Self-hosted no-code database and BaaS that lets you manage structured data visually with multi-database support, formula fields, and auto-generated OpenAPI endpoints.
FerretDB
Databases
An open-source MongoDB alternative that translates wire protocol queries to SQL and stores documents in PostgreSQL
Maybe
Authentication · Databases · Invoicing Finance
Self-hostable personal finance app that gives you full ownership of your financial data with a clean, minimal Rails-powered interface.
PostgresML
AI Development · Databases
Run ML training and LLM inference natively inside PostgreSQL with GPU acceleration — no data movement required.
Rowy
Databases · Low Code Platforms
Manage Firestore data in an Airtable-like spreadsheet UI and build Cloud Functions workflows directly in your browser—on your own GCP project.
openduck
Data Engineering · Databases
OpenDuck brings MotherDuck-style cloud capabilities to self-hosted DuckDB — attach remote databases, run hybrid queries across local and remote nodes, and own your data with an open gRPC and Arrow IPC protocol.
About Databases
Databases are fundamental to nearly all modern software applications, acting as the organized storage for information that powers dynamic functionality. These systems allow developers to store, manage, and retrieve data efficiently, ensuring data integrity and consistency.
Typical features found in open source database solutions include:
- Data Modeling: Tools to define the structure of data, including tables, relationships, and constraints.
- Query Languages: Powerful languages (often based on SQL) for retrieving, inserting, updating, and deleting data.
- Indexing: Mechanisms to speed up data retrieval by creating efficient lookup paths.
- Transaction Management: Ensuring that data operations are reliable, even in the face of errors or concurrent access.
- Security Features: Controlling access to data and protecting it from unauthorized modification or deletion.
- Replication & Backup: Maintaining data availability and resilience through redundancy and recovery options.
Open source databases are critical for a range of applications, including web application backends, data analytics platforms, content management systems, and scientific research. They solve problems related to data persistence, scalability, performance, and reliability. Choosing an open source database offers benefits such as cost savings, community support, flexibility, and the ability to customize the system to specific needs. They allow developers complete control over their data environment.
