Jellyfish is described as 'Collaborative, project-based budget management tool that allows project leaders to have access to their financials anywhere and at any time, to generate reports and make informed decisions based on their real-time financial state' and is a Budget Manager in the business & commerce category. There are five alternatives to Jellyfish, not only websites but also apps for a variety of platforms, including iPhone, SaaS, Chrome OS and Android Tablet apps. The best Jellyfish alternative is Weproc. It's not free, so if you're looking for a free alternative, you could try Reactorcore's Revshare System. Other great sites and apps similar to Jellyfish are DPO - Digital Purchase Order, Coupa and Procurify.