Mindustry is described as 'Create complex supply chains, produce materials, and defend against enemy waves in this cross-platform sandbox tower defense game' and is a factory building game in the games category. There are more than 10 games similar to Mindustry for a variety of platforms, including Windows, Steam, Mac, Android and Linux apps. The best Mindustry alternative is Factorio. It's not free, so if you're looking for a free alternative, you could try shapez.io or Factory idle. Other Mindustry like games are Satisfactory, Captain of Industry, Dyson Sphere Program and Automation Empire.
Its the original factory builder. Maybe not super similar but good enough.