Idealist - Volunteer, work, and intern job search
TeamLink - TeamLink is one of the leading and sumptuous solutions that is making web and video meetings extremely easy and efficient.
Idea Hunt - Solve specific challenges for your favorite products
Google Duo - Google's answer to Facetime, high-quality video calling on iOS and Android.
OpenVC - 2200+ VC firms by thesis to find 'best fit' for your startup
Around - Find people to hang out with.