Calendarist - Time blocking companion for Google Calendar
Coworker Coffee - Coffee with a different coworker each week
Tactical Time Blocker - Daily highlights & adaptive time blocking template
Serendipity - Serendipity is a PHP-powered weblog engine which gives the user an easy way to maintain a blog.
Taskful - Deadlines, meet your match.
Cuely - 1-min guided exercises to stay well all day with reminders