Charger8232 on Nostr: I was researching WebMail providers, and noticed that most WebMail providers ...

I was researching WebMail providers, and noticed that most WebMail providers recommended in privacy communities are labelled as proprietary by [AlternativeTo](https://alternativeto.net/ ).


I made a list of WebMail providers, private or not, to see which ones were actually open source:


###

Proprietary
[AOL Mail](https://mail.aol.com/ ): Free


[Cock.li](https://cock.li/ ): Free


[CounterMail](https://countermail.com/ ): Paid


[Fastmail](https://www.fastmail.com/ ): Paid


[GMX Mail](https://www.gmx.com/mail/ ): Free


[Gmail](https://gmail.com ): Free


[HEY Email](https://www.hey.com/ ): Paid


[Hushmail](https://www.hushmail.com/ ): Paid


[iCloud Mail](https://www.icloud.com/mail ): Free


[Mail.com](https://www.mail.com/ ): Free


[Mailbox.org](https://mailbox.org ): Paid


[Mailfence](https://mailfence.com ): Freemium


[Outlook.com](https://outlook.com ): Freemium


[Posteo](https://posteo.de/en ): Paid


[Rediffmail](https://businessemail.rediff.com/ ): Paid


[Riseup](https://riseup.net/ ): Free


[Runbox](https://runbox.com/ ): Paid


[Soverin](https://www.soverin.com/ ): Paid


[StartMail](https://www.startmail.com/ ): Paid


[Yahoo! Mail](https://mail.yahoo.com ): Freemium


[Yandex Mail](https://mail.yandex.com ): Freemium


[Zoho Mail](https://www.zoho.com/us/mail/ ): Freemium


###

Open source
[Criptext](https://www.criptext.com/ ): Free


[Disroot](https://disroot.org/en/services/email ): Free


[Forward Email](https://forwardemail.net/en ): Freemium


[Infomaniak kMail](https://www.infomaniak.com/en/hosting/service-mail ): Freemium


[Kolab Now](https://kolabnow.com ): Paid


[Lavabit](https://lavabit.com/ ): Paid


[Mailpile](https://www.mailpile.is/ ): Free


[Proton Mail](https://proton.me/mail ): Freemium


[Roundcube](https://roundcube.net/ ): Free


[Skiff](https://skiff.com/ ): Freemium


[Tuta](https://tuta.com ): Freemium


Unless I’m missing something, it seems like people overlook this when deciding on WebMail providers. Is it a distinction between a proprietary backend server and a proprietary app, or is there a different way to decide if a WebMail provider is proprietary vs. open source? Lavabit was labelled proprietary by AlternativeTo, but open source by Wikipedia.


#

Note
If I have labelled an open source WebMail provider as proprietary by mistake, please provide evidence by linking to the source code, and I will happily change it.