MySQL Community Edition

MySQL Community Edition is a freely downloadable version of the world's most popular open source database that is supported by an active community of open source developers and enthusiasts.

Free Open Source Mac OS X Windows Linux BSD

SQLite

SQLite is a software library that implements a self-contained, serverless, zero-configuration, transactional SQL database engine. SQLite is the most widely deployed SQL database engine in the world.

Free Open Source Mac OS X Windows Linux Android iPhone Self-Hosted

PostgreSQL

PostgreSQL is a powerful, open source object-relational database system. It has more than 15 years of active development and a proven architecture that has earned it a strong reputation for reliability, data integrity, and correctness.

Free Open Source Mac OS X Windows Linux BSD

MongoDB

MongoDB (from "humongous") is a scalable, high-performance, open source NoSQL database. The database is document-oriented so it manages collections of JSON-like documents.

Free Open Source Mac OS X Windows Linux BSD Web

MariaDB

MariaDB is a backward compatible, drop-in replacement of the MySQL® Database Server. It includes all major open source storage engines. The source code for MariaDB is publically available from Launchpad.

Free Open Source Windows Linux BSD

LibreOffice - Base

Base is a full-featured desktop database front end, designed to meet the needs of a broad array of users, for all kinds of usages, such as keeping track of collections of objects,maintaining customer information databases,maintaining...

Free Open Source Mac OS X Windows Linux BSD

Microsoft SQL Server

SQL Server delivers on Microsoft’s Data Platform vision by helping your organization manage your data by enabling you to store data from structured, semi-structured, and unstructured documents within the database.

Freemium Windows

VFront

VFront is a dynamic front-end for MySQL or PostgreSQL databases written in PHP and Javascript.

Free Open Source Mac OS X Windows Linux Web

FileMaker Pro

FileMaker Pro is powerful, easy-to-use database software that helps you and your team get any task done faster.

Commercial Mac OS X Windows iPhone iPad

CouchDB

Apache CouchDB is a distributed, fault-tolerant and schema-free document-oriented database accessible via a RESTful HTTP / JSON API.

Free Open Source Mac OS X Windows Linux Android BSD

Oracle Database

Oracle Database delivers industry leading performance, scalability, security and reliability on a choice of clustered or single-servers running Windows, Linux, and UNIX.

Commercial Mac OS X Windows Linux

RethinkDB

RethinkDB pushes JSON to your apps in realtime. When your app polls for data, it becomes slow, unscalable, and cumbersome to maintain.

Free Open Source Mac OS X Windows Linux BSD

Firebird

Firebird is a relational database offering many ANSI SQL-92 features that runs on Linux, Windows, and a variety of Unix platforms.

Free Open Source Mac OS X Windows Linux

H2 Database Engine

H2 is a relational database management system written in Java. It can be embedded in Java applications or run in the client-server mode. The disk footprint (size of the jar file) is about 1 MB.

Free Open Source Mac OS X Windows Linux

CouchBase

Couchbase is the NoSQL database market share leader, with production deployments at AOL, Deutsche Post, NTT Docomo, Salesforce.com, Turner Broadcasting Systems, Zynga and hundreds of other organizations worldwide.

Free Open Source Mac OS X Windows Linux

Xataface

Xataface is a flexible and shapable skin that sits on top of MySQL, making it accessible to every-day users.

Free Open Source Web

Referata

Referata offers hosting of semantic wikis, allowing you to add, structure and store data so it can be managed, shared, browsed and analyzed in as many ways as you choose. Free: unlimited Wiki pages and 100MB file storage.

Freemium Web Self-Hosted

Crudin

Crudin, written in PHP, reads a MySQL database and dynamicly generates an interface with CRUD (Create,Read,Update and Delete) features.

Free Open Source Web

Viravis

Viravis is a platform that helps non-technical users to develop online database applications easily without programming.

Freemium Windows Web