Life & fun · alternatives · 2026

EI

24 alternatives to EmailPK – Instant encrypted email

EmailPK is an encrypted email service launched in 2014. It provides instant encrypted messaging for users who prioritize privacy in their email communications. The service is designed for anyone seeking to send and… Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. EmailPK – Instant encrypted email launched in 2014; newer entries below may have overtaken it.

1
EmailPK ▲69
Instant encrypted email
2014 · diafygi.github.io · its alternatives →
2
InboxSDK▲508
First usable API to write Gmail Apps for 1B active users
2015 · inboxsdk.com · its alternatives →
3
Inky 3▲160
Send encrypted emails using your current email provider
2016 · inky.com · its alternatives →
4EE
Easy Email Encryption inside Gmail (Alpha, Open-Source)▲170
Manage sales and customer relationships directly inside Gmail. Streak is the CRM your team will actually use—integrated, smart, and loved by 750,000+ users.
2013 · streak.com · its alternatives →
5
ProtonMail▲199
End-to-end encrypted email - now on iOS & Android
2016 · proton.me · its alternatives →
6
ProtonMail▲144
Encrypted email, made simple. Now open to everybody.
2015 · proton.me · its alternatives →
7
Hop Encrypted Email▲132
Completely private chat email, w/ encrypted email messaging
2017 · spikenow.com · its alternatives →
8
Forward Email – Open-Source Quantum Safe Encrypted Email Service▲35
Get free email forwarding for custom domains. Send & receive as [email protected] with unlimited aliases, 10GB storage, IMAP/POP3/SMTP & 100% open-source security. Trusted by 500K+ users. Setup in 2 minutes.
2023 · forwardemail.net · its alternatives →
9
MailDrop, throwaway e-mail addresses, built with Scala and Akka▲81
Maildrop provides free disposable e-mail addresses for use in web forms, app signups, or any other place you'd like to protect your privacy.
2013 · maildrop.cc · its alternatives →
10
Fastmail▲82
A privacy focused email client
2019 · fastmail.com · its alternatives →
11
M for iOS▲126
Email app with automatic encryption
2015 · mynigma.org · its alternatives →
12
1SecMail▲112
Free disposable email that actually arrives in real time
2025 · tmaily.com · its alternatives →
13
Hansel by Seedling▲106
Your email, your server, your keys so you're not locked out
Aug 2026 · github.com · its alternatives →
14
Skiff Mail▲165
Private, end-to-end encrypted, open-source mail
2022 · skiff.com · its alternatives →
15
GmailKrypt End-to-End Encryption Gmail▲1
Encrypt your Gmail emails with PGP. One click. Zero hassle.
Mar 2026 · gmailkrypt.com · its alternatives →
16
Byte Orbit Privacy Cannon▲6
This is a file, email, IM encryption app.
2020 · apps.microsoft.com · its alternatives →
17
Just Mail▲64
Secured email platform based on distributed storage network
2014 · its alternatives →
18
EmailOnDeck▲117
Free & fast, temporary emails in 2 easy steps
2016 · emailondeck.com · its alternatives →
19
MeSign app▲63
Automated end-to-end encrypted email client
2020 · its alternatives →
20
Wally Javascript SDK▲86
Email-based wallets, compatible with any dApp using Metamask
2023 · its alternatives →
21MA
Maskmail – anonymous email address service▲110
2018 · maskmail.net · its alternatives →
22
Emailgurus - Open Source▲111
Keep your Gmail inbox focused on people you know
2022 · keepknown.com · its alternatives →
23PI
Pubmail.io▲54
2015 · pubmail.io · its alternatives →
24
DataSafe – Encrypted messages via hotkey▲86
A tiny app to quickly send encrypted messages with a hotkey
2025 · its alternatives →

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Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →