Todo.txt vs Nirvana : Which is Better?

Todo.txt

todo.txt is software and operating system agnostic; it's searchable, portable, lightweight and easily Todo management software. Developed by Gina Trapani

License: Open Source

Categories: Office & Productivity OS & Utilities

Apps available for Mac OS X Windows Linux Android iPhone

Nirvana

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

License: Freemium

Categories: Business & Commerce Office & Productivity

Apps available for Online Android iPhone Android Tablet iPad

Todo.txt VS Nirvana Feature comparision

Feature	Todo.txt	Nirvana
Command line interface
Command line
Portable
Task Management
Todos
Alexa integration
Dropbox integration
Favorites
Gamification
Double Donut Chart
Kanban boards
Self-hosted in intranet or private cloud
To do lists
Subtasks
Hierarchical structure
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
Android Sync
Auto-saving
Checklists
Calendar view
Calendar integration
Customizable Themes
Things is polished almost to perfection
Convert Email to Task
Project Dashboard
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