Todo.txt - Track your tasks and projects in a plain text file, todo.txt. A todo.

Datadeck - Spreadsheets visualized In two clicks

Task Coach - Task Coach is a simple open source todo manager to keep track of personal tasks and todo lists.

Statsbot - Connect your database, let Statsbot generate data relationships from your database automatically, and get your first insights in a matter of minutes.

Strikethru - Strikethru is a kind of to-do list notebook for managing work lists and staying updated with the important tasks.

Metric.live - Real-time and advanced periodic alerts for Google Analytics.