Courvix - The Courvix Network has been Providing free services since 2017. And is a free VPN provider, Email Provider, and API service.
Riseup - Riseup provides online communication tools for people and groups working on liberatory social change. We are a project to create democratic alternatives and practice self-determination by controlling our own secure means of communications.
Cock.li - Cock.li is your go-to solution for professional E-mail and XMPP addresses. Since 2013 cock.li has provided stable E-mail services to an ever-increasing number of users. Cock.li allows registration and usage using Tor and other privacy services (proxies, VPNs) and thanks to continued funding by its users is certain to stay free forever.
hrzn.email - Their apps don't have any ads or trackers. Unlike other email providers, They don't profile you or sell your data.
hrzn.bio - Express yourself with customizable profile pages.
P.S: I will update this with more free services for you guys when i research some more trusted ones.