Below is a list of websites like ChipIn / services like / similar to ChipIn :
ChipIn’s mission is to make it easy to collect money. We enable users to organize group payments and fundraisers (”ChipIns”) in a quick, easy, and secure way. We also make it simple for organizers to publicize their ChipIns, by providing powerful fundraising widgets that can be embedded in social media.
ChipIn allows anyone to collect money for a personal cause, group purchase, or fundraiser using their own custom ChipIn page.
ChipIn enables bloggers to create an interactive widget that allows them to raise money directly through blogs and other social media.
ChipIn empowers non-profit organizations to engage a distributed network of supporters in “blograising” campaigns for major fundraising efforts. .