Appointment Booking Calendar - With the Appointment Booking Calendar you can accept online bookings from a set of available time-slots in the calendar.

Monkkee - Keep a private journal securely on the Internet – to provide a convenient user experience your...

MakePlans - Online appointment booking - MakePlans

The Guide - The Guide is a two-pane outliner - a program that allows you to arrange text notes in a tree-like...

Dudle - Dudle is an online scheduling application, which is free and open source.

Scrapbox - A new style of note-taking that lets you create, discuss, and learn together in one self-organizing space.