| Tool | License | Key Features | |------|---------|---------------| | (Community Edition) | GPL | Cross-platform, ER diagrams, data export, SSH tunneling, supports MySQL, PostgreSQL, Oracle, etc. | | HeidiSQL | GPL | Lightweight, excellent for MySQL/MariaDB, freeware, supports Windows only. | | MySQL Workbench | GPL | Official MySQL tool, includes modeling, migration, and administration. | | Adminer | Apache 2.0 | Single-file PHP tool, extremely lightweight, security-focused. |
SQLyog is not freeware (with the exception of its limited free edition). It is commercial software that comes in several editions: sqlyog license key
The promise of a free is a trap. The costs of using a cracked key—data theft, ransomware, legal fines, and professional ruin—far outweigh the modest price of a legitimate license or the availability of free alternatives. | Tool | License | Key Features |
Yes, Idera offers a perpetual license (pay once, use forever) but updates are only included for one year. After that, you can keep using the last version you downloaded. There is no legitimate "free lifetime key." | | Adminer | Apache 2