Tribute - Tribute is the most user-friendly video montage maker for birthdays, anniversaries, weddings, retirements, teacher appreciation, employee recognition, and other occasions.

Mobilizon - A free and federated tool to get our events off Facebook

VidDay - Group Video Gifts Made Simple. Get everyone to join in on a surprise celebration video for birthdays, retirements, weddings, and more.

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

Frames - Create & edit epic vertical video content from your phone

DownToMeet - DownToMeet is a platform to organize, find, and attend group events.