Obsidian can easily replace Trello with the right plugin. Here's some other apps you can stop using: https://lifehacker.com/tech/four-apps-you-can-replace-with-obsidian-plugins
This Note-Taking App Can Replace Four of the Most Popular Productivity Tools

Use Obsidian as a journal app, a kanban app, or a to do list app.

Lifehacker
@jhpot This new web clipper is going to straight up change my life.