systemli.org Alternatives

systemli.org is described as 'Systemli.org is a left network and technics-collective that was founded in 2003. Our aim is to provide safe and trustworthy communication services. The project addresses political activists and people who have a particular need to protect their data' and is an website in the development category. There are more than 25 alternatives to systemli.org, not only websites but also apps for a variety of platforms, including Android, iPhone, iPad and Windows apps. The best systemli.org alternative is Proton Mail, which is both free and Open Source. Other great sites and apps similar to systemli.org are Gmail, Vivaldi Mail, PissMail and Autistici / Inventati.