Productivity.so - Shortcuts and hacks for your favorite tools
Tribe of Mentors - Short life advice from the best in the world, by Tim Ferriss
My Daily Planner - Organize your day with pen & paper. Free printable template.
MentSpot - Find a mentor or become one for free
Productivity Tools by Dropbox - Scan, share, collaborate & provide feedback on your ideas
Awesome Peers - Discover 900+ people who have free video call options