Giant Jumble Crosswords - Giant Jumble Crosswords is an app by Adveractive Inc.
API List - A collective list of APIs. Build something.
Crossword Puzzle Free - Crossword Puzzle Free is an app by Redstone Games that provides you with a variety of different puzzles according to various difficulty levels such as easy, medium, hard, and pro, etc.
Abstract APIs - Simple, powerful APIs for everyday dev tasks
Mailwarm - The email warm-up tool.
Phantombuster - A marketplace of simple to use no-code APIs