Open Source Gmail Alternatives
The best open source alternative to Gmail is ProtonMail, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 50 alternatives to Gmail and 14 is open source so hopefully you can find a suitable replacement. Other interesting open source alternatives to Gmail are Tutanota (Freemium, Open Source), Posteo (Paid, Open Source), Disroot (Free, Open Source) and Horde (Free, Open Source).
- Secure email with absolutely no compromises, brought to you by MIT and CERN scientists. View 76 alternatives to ProtonMail
- Freemium • Open Source
ProtonMail vs GmailOne of the best options if you are concerned about privacy and want to de-Google your life.More secure reliable than gmail.Also beautiful UI it's open source,free...Does not support POP/IMAP, forget about using it on Thunderbird or your favorite email client.Privacy respected and just better than gmail in so many waysWhat makes ProtonMail the best alternative to Gmail? It is more secure, private, no invasive ads, no surveillance and lot more.It has great encryption and is very easy to switch to. Would totally recommend!Open source secure and private and if you you forgot your password you can reset it but you wil not be able to see your old emails that is helpfull when you are forced to open your emails
- Tutanota is a free and open source web-mail client that focuses on privacy and security. It has open source iOS and an Android apps. View 70 alternatives to Tutanota
- Freemium • Open Source
Tutanota vs GmailPrivacy-respecting company, and has open source clientTutanota is the best choice, because it is simple and run by an awesome team. Even the Premium prices are very affordable.Does not support POP/IMAP, you will not be able to use it with Thunderbird or another email client.Replaced successfully G.Calendar G.Contacts for me. Cheap privacy first services with no compromise on the ease of use.Very nice minimalist ui and great security featuresTutanota is a great email provider with very good encryption (it uses end-to-end encryption like Signal – i.e. they cannot read your emails/gife them to the government, Gmail can!) and they don't sell any data. It is also very easy to use, it has a very nice app, a desktop client and a web client. There is really no reason why you wouldn't want to use it :)This is a very good free client. It gives you lots of functionality even at no cost.
- Web- and IMAP-based email service. 2GB cost 1€/month. Information is hosted on encrypted hard drives. Electricity from renewable resources is used. View 57 alternatives to Posteo
- Paid • Open Source
Posteo vs GmailVery comprehensive privacy, affordable price and sustainable practice. Also provide interface for notes, calendars and contacts sync.Posteo has very good data encryption and privacy.The most secure and private email on the market. As such, there is not free version. This is a good thing, it means they are not making money with your information.Love Posteo - very good encryption and very affordable: you pay with money, not with your data. If they also supported own domains, I'd move my professional mail there as well.