GPTtchi（GPTっち） – Caring game（育成ゲーム）

Cognivis Text Covers Generator is an online tool that allows users to generate book covers for Cognivis books.

Economist Professor GPT on ChatGPT. Teaches and explains economic theories and current issues.

Ask Y Combinator on ChatGPT is a platform that provides helpful advice for startups based on 100+ episodes of the Y Combinator podcast.

Stock Matchmaker GPT on ChatGPT is a website that summarizes queries and provides lists of similar stocks with brief explanations.

Time Organizer on ChatGPT

Songwriting Wizard on ChatGPT is a platform that helps users to unleash their creativity and transform personal stories into captivating songs.