Best Task & Personal Productivity (2026)

Vikunja is a fast, self-hostable open-source to-do and project manager positioned as an alternative to Todoist, ClickUp, and Notion-style task tools. Written in Go, it offers list, Kanban, Gantt, and table views, subtasks, reminders, attachments, filters, and team sharing, with core features (including reminders and attachments) not paywalled. The core is AGPL-3.0 and free to self-host; Vikunja Cloud and a Pro tier add hosted convenience and admin features.

Tracks is a free, open-source, self-hosted web application built to help you implement David Allen's Getting Things Done (GTD) methodology. Written in Ruby on Rails and licensed under the GNU GPL, it organizes work into projects and contexts, supports next actions, deferred/tickler items, notes, and recurring todos, and ships with a built-in web server for easy self-hosting. It is maintained by a team of community contributors.