Miro Startup Program - $1000 to set up team collaboration
Snapchat - Real-time picture chatting
Aircall for HubSpot - Document and organize every phone call instantly in HubSpot
Padlet - Visual boards for organizing anything.
Entity Framework - See Comparison of Entity Framework vs NHibernate.
X (Twitter) - Connect with your friends and other fascinating people. Get in-the-moment updates on the things that interest you. And watch events unfold, in real time, from every angle.