Grindstone vs Task Coach : Which is Better?

Grindstone

Grindstone is a free app that lets you easily and accurately keep track of your time.

License: Free

Apps available for Windows

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

Feature	Grindstone	Task Coach
Anti Procrastination
Automated usage tracking
Automatic time tracking
Website blocking
Sync across Devices
Tracker Button
Google Chrome Extensions
Task time tracking
Portable
Task Management
Todos
Data export/import
Employee Performance Management
Price check
Real-time tracking
Project Tracking
Track Activities
Automated Screenshots
Time Tracking with Screenshots
Real-time analytics
Expense Tracking
Pomodoro timer
Timer for tasks
Timer
User Roles
Export to CSV
Google Calendar integration
iCal integration
Jira integration
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
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