Coworker Coffee - Coffee with a different coworker each week
Cron - Cron Calendar.
Serendipity - Serendipity is a PHP-powered weblog engine which gives the user an easy way to maintain a blog.
Vimcal - Vimcal is the worldβs fastest calendar, beautifully designed for people who work remotely and live in their calendars.
Cuely - 1-min guided exercises to stay well all day with reminders
KosmoTime - The to do list with super powers