Startup Timelines - How the frontpages of famous startups changed over time
Cron - Cron Calendar.
UX Timeline - See how some of today's best companies have evolved
KosmoTime - The to do list with super powers
Mr Wolf - Customer support automation with machine learning & NLP
Vimcal - Vimcal is the world’s fastest calendar, beautifully designed for people who work remotely and live in their calendars.