SocialEngine - Socialengine PHP: Elevating Your Online Community Experience.
Charitable - A WordPress donation plugin that gives you full control over your fundraising experience.
mooSocial - mooSocial is the best social network script to create a niche community or social site.
Revv Online Fundraising Platform - Revv is the fundraising platform that raises organizations more money.
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.
Give - A WordPress plugin for easily collecting donations