SimpleLogin is an open-source Email solution from Proton. Compare it against 12 other Email tools on FreeSoftwareX — by features, licensing and price — and request a quote or demo free in 2026.
What is SimpleLogin?
SimpleLogin is open source — its source code is publicly available and free to use, modify and self-host, usually with an active community and no licensing fees. It is categorised under Email and published by Proton. Buyers typically evaluate SimpleLogin when they need a dependable Email option and want to weigh the trade-offs between free, open-source and paid tools before committing.
Yes. SimpleLogin is open source and free to use, with no purchase cost for the core product.
What are the best SimpleLogin alternatives?
Popular Email alternatives to SimpleLogin include AnonAddy (addy.io), Maddy Mail Server, Mail-in-a-Box, Mailcow. See the full list of Email on FreeSoftwareX.
What type of software is SimpleLogin?
SimpleLogin is an open-source Email tool developed by Proton.
