If your budget is truly zero, consider these open-source or freemium backup tools that are safe and legal:
Acronis relies heavily on cloud integration for off-site backups. A generated key will not pass server-side validation, meaning you lose the most critical part of the service: the cloud backup.
Browse some sample pages generated by SchemaSpy.
Note that this was run against an extremely limited schema so it doesn't show the full power of the tool.
If your budget is truly zero, consider these open-source or freemium backup tools that are safe and legal:
Acronis relies heavily on cloud integration for off-site backups. A generated key will not pass server-side validation, meaning you lose the most critical part of the service: the cloud backup.
SchemaSpy
I would like to continuously improve SchemaSpy and to release a new version of this great tool because we haven't had any releases since version 5.0.0 was released in 2010.
I personally believe that work on SchemaSpy should be continued and a lot of the still-existing issues should be resolved.
I would like to say a BIG thank you to John Currier for inventing this database entity-relationship (ER) diagram generator. acronis true image key generator