Task Coach vs Nirvana : Which is Better?

Task Coach

A simple and friendly task manager written in Python. Developed by Frank Niessink and Jerome Laheurte

License: Open Source

Apps available for Mac OS X Windows Linux Android iPhone

Nirvana is a cloud-based task manager that isn’t just about doing more.

License: Freemium

Apps available for Online Android iPhone Android Tablet iPad

Feature	Task Coach	Nirvana
Portable
Task Management
Task time tracking
Todos
Alexa integration
Dropbox integration
Favorites
Gamification
Hierarchical structure
Infinite hierarchical depth
Export to OPML
Notetaking
Double Donut Chart
Kanban boards
Self-hosted in intranet or private cloud
To do lists
Subtasks
Team Collaboration
Support for Keyboard Shortcuts
Clean design
Full text search
IFTTT integration
Gmail integration
Google Calendar integration
Recurring tasks
Customizable
Emacs integration
Web-Based
Command line interface
Android Sync
Auto-saving
Checklists
Calendar view
Calendar integration
Customizable Themes
Gantt-charts
Kanban Chart
Export to iCalendar
Collaborative
GTD-based
Real time collaboration
To-Do management
Cloud sync
MarkDown support
Search by tags
Protected by Password
Dependency Tracking
gmail.
Support for Kanban Boards
Things is polished almost to perfection
Convert Email to Task
Project Dashboard