Secure Exchanges is described as 'SaaS that enables point-to-point encrypted email exchange without the recipient having to install anything. It allows you to send emails and files up to 2.5 G. It also allows you to receive information' and is a Email Client in the security & privacy category. There are more than 10 alternatives to Secure Exchanges for a variety of platforms, including Web-based, Android, iPhone, Mac and Windows apps. The best Secure Exchanges alternative is Proton Mail, which is both free and Open Source. Other great apps like Secure Exchanges are Tuta Mail, mailbox, Mailfence and Mailpile.