Postman - The Collaboration Platform for API Development
Tanglet - Tanglet is a single player word finding game based on Boggle.
Sauce Labs - Test mobile or web apps instantly across 700+ browser/OS/device platform combinations - without infrastructure setup.
Lexica - An open source word-search game.
TestComplete - TestComplete Desktop, Web, and Mobile helps you create repeatable and accurate automated tests across multiple devices, platforms, and environments easily and quickly.
wordbase.app - Fan re-make of discontinued word game, Wordbase