SocialEngine - Socialengine PHP: Elevating Your Online Community Experience.
Kickstarter - Kickstarter is the world's largest funding platform for creative projects. A home for film, music, art, theater, games, comics, design, photography, and more.
mooSocial - mooSocial is the best social network script to create a niche community or social site.
FreeFunder - Free crowdfunding platform with no platform fee and donates to your fundraiser based on shares!
JomSocial - Open Source Social Networking Software. Award winning open source community software by JomSocial. This social networking software is widely used by many Joomla users.
GiveForms - Your Go-to Digital Fundraising Platform