Open Collective is described as 'Legal and financial toolbox for groups. It’s a fundraising + legal status + money management platform for your community' and is a popular Crowdfunding service in the business & commerce category. There are more than 25 alternatives to Open Collective, not only websites but also apps for a variety of platforms, including iPhone, Android, Self-Hosted and Android Tablet apps. The best Open Collective alternative is Liberapay, which is both free and Open Source. Other great sites and apps similar to Open Collective are PayPal, GNU Taler, Ko-fi and Patreon.