SynthForge IO is described as 'SynthForge is a free web app for generating realistic synthetic and test data across related database tables in a single pass, every foreign key points at a parent row that actually exists' and is a test data generator in the development category. There are more than 10 alternatives to SynthForge IO, not only websites but also apps for a variety of platforms, including Windows, Linux, Mac and SaaS apps. The best SynthForge IO alternative is Mock Turtle, which is free. Other great sites and apps similar to SynthForge IO are SQLable, JSONGenerator, Random Data and dbForge Data Generator for MySQL.