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 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 Self-Hosted, iPhone, Android and SaaS apps. The best Open Collective alternative is PayPal. It's not free, so if you're looking for a free alternative, you could try PayPal or Liberapay. Other great sites and apps similar to Open Collective are GNU Taler, Patreon, Coindrop and be-BOP.