Open Source RazorSQL Alternatives

HeidiSQL is a free and open-source GUI for MariaDB, MySQL, Microsoft SQL, PostgreSQL and SQLite databases. With HeidiSQL, you can spectate and edit data and structure of your database in an intuitive interface. The software allows you to connect to your database via SSH tunnel or with SSL, and connect to multiple servers simultaneously, while also being able to monitor and kill client process in real-time.

DBeaver is an open-source SQL client and a database administration tool. With DBeaver you can manage any relational databases that has support for JDBC driver, in a well designed GUI. The software is released as two separate versions, DBeaver Community Edition and DBeaver Enterprise Edition. DBeaver Community Edition is freely used and distributed under the ACL license. While DBeaver Enterprise Edition is sold at a monthly subscriptions, and supports NoSQL databases like MongoDB, Cassandra, InfluxDB, Redis, Amazon DynamoDB, Google Bigtable and CouchDB.

Chrome MySQL Admin is a chrome-based tool that provides you with an administration GUI of MySQL server.

MySQL Workbench is a free and commercial open-source tool for managing MySQL databases visually through a GUI. MySQL Workbench provides features like data modeling, sql development, and comprehensive administration tools. MySQL Workbench is developed by Oracle Corporation and is a successor to DBDesigner 4. The community edition of MySQL Workbench is released under the GNU General Public License, while the enterprise edition is released as a commercial proprietary software.

Sequel Ace is a free and open-source MySQL and MariaDB database management for macOS.

SQLiteStudio is a SQLite database manager with an intuetive user interface. It provides a pretty-print code formatter, marks syntax errors. Allowing you to easily view, query and manage data in your SQLite database. SQLiteStudio is released as free and open source software under the GNU General Public License.

The software pgAdmin is the most popular free and open-source administration panel for PostgreSQL. With pgAdmin developers can manage their database and also use it as a tool that is part of the development process. The software is released under the PostgreSQL/Artistic licence and can be used on macOS, Linux, Unix and Windows to manage PostgreSQL 9.2 and above.

SQuirreL SQL is a free and open-source SQL client and database administration tool. SQuirreL SQL is written in Java and uses JDBC to allow users to explore and interact with databases via a JDBC driver. With SQuirreL SQL you can manage your database through a graphical user interface where you can create and drop tables, add columns and rows, create function and query your data. The software is openly developed and released under the GNU Lesser General Public License which makes it free to use.