List of free Mysql stuff for developerππ½
If you're looking for all programming tools around Mysql (not just free). Check this page List of Mysql Programming Tools

1 Website 300 MB Disk Space Limited Bandwidth (3 GB)

Table plus
Modern, native client with intuitive GUI tools to create, access, query & edit multiple relational databases: MySQL, PostgreSQL, SQLite, Microsoft SQL Server, Amazon Redshift, MariaDB, CockroachDB, Vertica, and Redis.
Tag: database-gui, mysql, nosql
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Sequelpro
Sequel Pro is a fast, easy-to-use Mac database management application for working with MySQL databases.
Tag: database-gui, mysql
Mac OS X only

SQL Online IDE
User-friendly interface for data science. No registration for start, No DownLoad, No Install. Online test SQL script.
Tag: sqlite, mysql, database-gui, playground
Beekeeper Studio
The smoothest, best looking, and easiest to use SQL client for CockroachDB, MariaDB, Microsoft SQL Server, MySQL, Postgres, Amazon Redshift, and SQLite
Tag: database-gui, mysql, nosql
Open source Multiplatform support, available for Windows, MacOS, and Linux
Free MySQL Hosting
MySQL Hosting for free. Signup now for your free MySQL database hosting and be live in minutes.
Tag: database, mysql
MySQL Database 5MB MySQL Hosting Space phpMyAdmin Secure, Reliable, Fast hosting Upgrade options available