Based on our record, UMLet seems to be more popular. It has been mentiond 1 time since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
I like Umlet. It is a GUI drawing tool, but is not overbearing. Since I like to abuse the details of UML graphical notation, Umlet lets me type anything in a class "box" I like. Source: about 1 year ago
draw.io - Online diagramming application
Trello - Infinitely flexible. Incredibly easy to use. Great mobile apps. It's free. Trello keeps track of everything, from the big picture to the minute details.
StarUML - StarUML
Notion - All-in-one workspace. One tool for your whole team. Write, plan, and get organized.
PlantUML - PlantUML is an open-source tool that uses simple textual descriptions to draw UML diagrams.
Slack - A messaging app for teams who see through the Earth!