GreenSQL is described as 'Open Source database firewall used to protect databases from SQL injection attacks. GreenSQL works as a proxy and has built in support for MySQL and PostgreSQL'. There are three alternatives to GreenSQL, not only websites but also apps for Linux, Mac, Self-Hosted solutions and Windows. The best alternative is ApexSQL Audit. It's not free, so if you're looking for a free alternative, you could try CrawlProtect or Acra.
- 3 alternatives