HackMD

Collaborative virtual whiteboard with a hand-drawn feel. Open-source Miro/Figma FigJam alternative — real-time collaboration, offline support, and end-to-end encrypted rooms.

All-in-one workspace combining notes, databases, wikis and project boards. Pages are built from composable blocks, and the free personal plan covers unlimited pages and blocks for individuals.

Task manager with natural-language dates, projects, labels and filters. Syncs across web, mobile and desktop; the free tier handles up to five personal projects with recurring tasks.

Kanban board app where cards move across lists to track work. Drag-and-drop simplicity, checklists, due dates and automation via Butler rules; free tier includes unlimited cards on up to ten boards per workspace.

Project management platform bundling tasks, docs, goals, whiteboards and chat in one app. Highly configurable views (list, board, Gantt, calendar) with a functional free tier for small teams.

Spreadsheet-database hybrid: tables with typed fields, linked records, and views (grid, kanban, calendar, gallery) plus form inputs and automations. Free tier allows unlimited bases with capped records.