Basically the same as Grammarly, this is free software that gives you insights into your writing style and where it needs correcting. Problems like poor word choice, passive use, and hard to read sentences are pointed out.
Very close, in terms of setup, compared to Grammarly. The two are very much alike with the main difference being Ginger does not support Mac (as of this writing), but it does have a translator! You'd have to try both to see what works best for you.