Startup Groundwork is described as 'A software discovery directory for business software' and is an website. There are four alternatives to Startup Groundwork, not only websites but also apps for. The best alternative is AlternativeTo, which is free. Other great sites and apps similar to Startup Groundwork are Slant, Capterra and Opensource.Builders.
AlternativeTo let you find new Windows, Mac, Linux, online and mobile software based on applications you already know instead of useless categories. AlternativeTo is a new approach to finding good software.