Meetup - Helps groups of people with shared interests plan events and facilitates off line group meetings in various localities around the world.

Volunteer World - llll➤ Volunteer World is a one-stop resource for volunteer abroad programs ✓ Explore the best volunteer projects around the world and make a difference abroad!

Google Groups - Google Groups allows you to create and participate in online forums and email-based groups with a rich experience for community conversations.

VolunteerMatch - VolunteerMatch strengthens communities by making it easier for good people and good causes to...

Eventbrite - Discover Great Events or Create Your Own & Sell Tickets

Golden Volunteer App - Golden is no ordinary community service app or volunteers app. Create Golden Moments by searching volunteer opportunities. Go from Volunteering to Volunteered.