Planka — #2 Alternative to Trello

Name: Planka
Rating: 4.86 (1054 reviews)

Minimalist real-time collaborative open-source kanban board

Ultra-fast React + Redux + WebSockets kanban board delivering instant drag-and-drop cards, Markdown descriptions, time tracking, and OIDC single sign-on.

License: Fair-Code / OSL · Pricing: Free & Open Source · Compare all Trello alternatives · Official Website