Inbox Creature - A super cute virtual pet, delivered right to your inbox.
EmailTracker.cc - Free Email Tracker for Gmail. Close More Deals with Comprehensive Email Tracking, Automated Follow-up Reminders, and Detailed Click Insights
Space Shooter - The classic retro game recreated using Pygame and python.
Spark Mail - Spark helps you take your inbox under control. Instantly see what’s important and quickly clean up the rest. Spark for Teams allows you to create, discuss, and share email with your colleagues
Allowcation - Simple allowance and financial allocation tracking for kids
MailTime - Go through your email as fast and easy as text-messaging