EU EUROPE
Replaces
Gmail
Microsoft Outlook
A private mailbox from the makers of Startpage
Proprietary
Category
Browse Email
Every ALT-TECH entry in this category.
Mailbox.org
for #Email
EU EUROPE
Replaces
Gmail
Google Workspace
Microsoft Outlook
A German mailbox with an office suite attached
Proprietary
EU EUROPE
Replaces
Gmail
Microsoft Outlook
Belgian mail with proper OpenPGP key management
Proprietary
Free EU EUROPE
Replaces
Gmail
Microsoft Outlook
KDE's integrated mail, calendar and contacts
Open source
Replaces
Gmail
Microsoft Outlook
A privacy-first mail client for Android
Open source
Free EU EUROPE
Replaces
Gmail
Google Drive
Google Workspace
A volunteer-run suite of free-software services
Open source
Free
Replaces
Gmail
Microsoft Outlook
The open-source Android mail client, now Thunderbird
Open source
Free
Replaces
Microsoft Outlook
A full groupware client for the GNOME desktop
Open source
Claws Mail
for #Email
Free
Replaces
Microsoft Outlook
Mozilla Thunderbird
A fast, keyboard-driven mail client
Open source
Canary Mail
for #Email
Replaces
Apple Mail
Gmail
Microsoft Outlook
A mail client with encryption and AI assistance
Proprietary
Free EU EUROPE
The reference implementation of OpenPGP
Open source
Delta Chat
for #Email
Free EU EUROPE
Replaces
Signal
Telegram
WhatsApp
A messenger that runs on ordinary email
Open source
Thunderbird
for #Email
Free
Replaces
Apple Mail
Microsoft Outlook
The long-running open-source mail client
Open source
EU EUROPE
Replaces
Gmail
Microsoft Outlook
Yahoo Mail
Encrypted email with open-source clients
Open source
Replaces
Gmail
Google Calendar
Microsoft Outlook
A long-established independent mail and calendar host
Proprietary
EUROPE
Replaces
1Password
Gmail
Google Workspace
Privacy, end to end
Open source
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