Verdict
One of the best vibe-code teaching projects. You can ship a credible Kanban clone fast. Automations and marketplace depth are where Trello still wins.
What you can rebuild
Boards with lists and cards, drag-and-drop between columns, card detail modal (description, checklist, due date), and board members. Solid MVP for personal or small-team use.
What stays hard
Butler-style automation, Power-Ups ecosystem, enterprise permissions, and buttery realtime across many concurrent editors.
Starter prompt
Build a Trello-like Kanban app called Boardflow. Features: multiple boards, lists on a board, cards in lists, drag-and-drop cards between lists, card modal with description / checklist / due date / labels, and invite members by email. Stack: Next.js, Tailwind, Supabase. Polished, colorful UI with clear empty states. Include demo board seed data.
Follow-up prompt
Add: card activity log, board starring, filter cards by label/due date, and simple email digest of cards due this week. Keep drag-and-drop reliable on mobile.
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Reference product: trello.com. We are not affiliated. Prompts build inspired MVPs, not trademarked clones for commercial misuse.