SureThing is described as 'Legal technology platform that solves the universal problem of informal business agreements gone wrong. Whether you're a freelancer working with clients, a small business owner making deals, or someone lending money to a friend, SureThing creates legally' and is a E-signature tool in the office & productivity category. There are more than 25 alternatives to SureThing for a variety of platforms, including Web-based, SaaS, iPhone, Android and iPad apps. The best SureThing alternative is DocuSeal, which is both free and Open Source. Other great apps like SureThing are OpenSign, Docusign, LibreSign and DottedSign.