A modern, open-source email client with a unified inboxGPL-3.0-only
SimpleEmail
Simple and minimalistic email appGPL-3.0-only
BlitzMail
Share content and notes via emailAGPL-3.0-or-later
FairEmail
Fully featured email client. Neat, intuitive user interface. Privacy friendlyGPL-3.0-only
Thunderbird: Free Your Inbox
Thunderbird is a 100% Open Source, privacy-focused email app.Apache-2.0
You Have Mail
Email Notification without Google Play ServicesAGPL-3.0-only
SMS2Email
Forwards SMS messages to SMTP (Email) serverApache-2.0
SimpleLogin | Anti-spam
Protect your email inbox with a secure and open source solution by SimpleLoginApache-2.0
Lightning Address to Invoice
Allows paying to email-like Lightning addresses from unsupported walletsApache-2.0
AliasVault
Privacy-first Password Manager with Built-in Email AliasingAGPL-3.0-or-later
Slow Mail
Slow Mail is an Android email client for reading and composing emailsMIT
SecureOTP - Universal OTP Extractor
Auto-detect and copy OTP codes from SMS, Email, and app notificationsApache-2.0
addy.io
Anonymous Email ForwardingMIT
Inbox Pager
Read and write e-mailsGPL-3.0-only
Sterna Mail
Private, modern Android email client for JMAP — with full IMAP/SMTP support.GPL-3.0-or-later
Zerion
Encrypted chats, calls and channels over Tor. No phone number, no email.GPL-3.0-only
Tuta Mail
Encrypted email & calendar service - easy to use, secure by design.GPL-3.0-or-later
Axichat
Replace your email, messenger, and calendar with one app.AGPL-3.0-or-later
Remail
A clean, high-fidelity Gmail-inspired client for Resend.com.MIT
Proton Pass: Password Manager
Password manager created by the scientists who met at CERN behind Proton Mail.GPL-3.0-or-later