Adminer Alternatives for Windows
Adminer is not available for Windows but there are plenty of alternatives that runs on Windows with similar functionality. The most popular Windows alternative is 
MySQL Workbench, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 25 alternatives to Adminer and many of them are available for Windows so hopefully you can find a suitable replacement. Other interesting Windows alternatives to Adminer are 
HeidiSQL (Free, Open Source), 
DataGrip (Paid), 
Toad Edge (Paid) and 
pgweb (Free, Open Source).
- Provides data modeling, SQL development, and comprehensive administration tools for servers.
- Lets you view and edit data from MariaDB, MySQL, Microsoft SQL, or PostgreSQL databases.
- DataGrip is a database IDE from JetBrains that is tailored to suit specific needs of professional SQL developers.
- Toad for MySQL is a freeware development tool that enables you to quickly and efficiently create and execute queries, automate database object management, and develop SQL code.
- Web-based cross-platform client for PostgreSQL databases.
- Free • Open Source
- Mac
- Windows
- Linux
- Online
- Self-Hosted
- PopSQL is a modern SQL editor for teams that lets you write queries, visualize data, and share your results.
- A web-based database administration tool. It features smart data grid, query builder, schema editor, live charts and raw query editor with auto-complete. A modern and intelligent database tool to increase productivity.
- Chive is a free, open source, web-based database management tool, designed to bring joy to web developers - with easy administration, super fast UI and state of the art web...
Discontinued
Since july 2014 Chive is no longer actively developed / maintained
https://github.com/fusonic/chive/- Free • Open Source
- Mac
- Windows
- Linux
- MySQLDumper is a PHP and Perl based tool for backing up MySQL databases. You can easily dump your data into a backup file and - if needed - restore it.
Discontinued
Last version 1.24.4 from January 2011. See https://sourceforge.net/projects/mysqldumper/files/
No screenshots yet- Free • Open Source
- Windows
- Linux
- Online
- An extremely lightweight alternative to phpMyAdmin, standalone PHP script for quick and easy access MySQL databases via web interface.