Wordtune

Wordtune is an AI writing tool. According to its homepage, it offers context-based rewrite suggestions that fit the user's writing style, allows switching between casual and formal tones, and provides advanced AI proofreading for spelling, grammar, and phrasing. It also offers contextual suggestions, a continue-writing feature, and states that it checks at least 5 sources before deeming a fact credible to use.

1. 1Wordtune — Express yourself with confidencewordtune.com