1. UV Outliner is a small and powerful single-pane outliner.

  2. A simple and elegant project management system.

  3. Moo.do Application

  4. OmniFocus is a task management platform for Mac, iPad, and iPhone.

  5. wikidPad is an application for storing thoughts, ideas, todo lists, contacts, or anything else that user can think of to write down.

  6. Flexible project management web application

    open-source

  7. Confluence is content collaboration software that changes how modern teams work

  8. Outliner for notes, tasks and to-dos

  9. Your personal online weekly planner combined with a schedule organizer, an online calendar and a time tracker software.‎WeekPlan.

  10. Zim is a graphical text editor used to maintain a collection of wiki pages. Each page can contain links to other pages, simple formatting and images.

  11. Aha! is the new way to create visual product roadmaps. Web-based product management tools and roadmapping software for agile product managers.

  12. Serious project management tools you’ll actually enjoy using. Estimate, plan, build, and track your team’s work—all without the fuss and frustration you’re used to.