HeidiSQL is a useful and reliable tool designed for web developers using the popular MySQL server, Microsoft SQL databases and PostgreSQL.
Code repository and tickets have moved to https://github.com/HeidiSQL/HeidiSQL in Nov 2017.
DBOW is a database compiler-compiler or front-end. It takes table definitions in a relatively high-level language and prepares C, C++, PHP, Perl (etc) functions for manipulating the database. It will also produce SQL table data for MySQL.
Hornet is a tool to browse and build MySQL databases, with the ability to connect to remote servers. It intends in the future to provide the capability to generate PHP-based interfaces to MySQL databases.