Top 10 Open-Source Alternatives to Enigmail

Product categories

Calendar Cloud Storage Communication Email Email Clients Email Management Email Security Encryption Enterprise Communication File Encryption Security & Privacy Security Tools

Summary

The top open-source alternatives to Enigmail are Tutanota, GnuPG, and OpenKeychain. One of the criteria for ordering this list is the number of mentions that products have on reliable external sources. You can suggest additional sources through the form here.

Tutanota Landing Page
1

Tutanota

Get your encrypted mailbox for free.
Pricing:
- Open Source
#Email #Email Clients #Enterprise Communication 177 social mentions
GnuPG Landing Page
2

GnuPG

GnuPG is a complete and free implementation of the OpenPGP standard as defined by RFC4880 (also known as PGP).
Pricing:
- Open Source
#Security & Privacy #Security Tools #Encryption 38 social mentions
OpenKeychain Landing Page
3

OpenKeychain

OpenKeychain helps you communicate more privately and securely.
Pricing:
- Open Source
#Email #Tool #Communication
PGP Tool Landing Page
4

PGP Tool

PGPTool allows you to encrypt and decrypt files. It's free and easy to use.
Pricing:
- Open Source
#Security & Privacy #Encryption #Security Tools
Mailpile Landing Page
5

Mailpile

Mailpile is a modern, fast web-mail client with user-friendly encryption and privacy features.
Pricing:
- Open Source
#Email #Email Clients #Email Management
PGPro Landing Page
6

PGP

PGPro

PGPro can encrypt and decrypt messages as well as manage your OpenPGP keys. It is free, simple and lightweight. Everything stays on your device.
Pricing:
- Open Source
#Email #Security & Privacy #Encryption
Spark Mail Landing Page
7

Spark Mail

Spark helps you take your inbox under control. Instantly see what’s important and quickly clean up the rest. Spark for Teams allows you to create, discuss, and share email with your colleagues
Pricing:
- Open Source
#Email #Email Clients #Calendar 30 social mentions
Cypht Landing Page
8

Cypht

All your E-mail, from all your accounts, in one place. Cypht is like a news reader, but for E-mail.
Pricing:
- Open Source
#Email #Email Clients #Email Management 4 social mentions
File Lock PEA Landing Page
9

File Lock PEA

Password-encryption of files and directories. File PEA encrypts files and folders with authenticated encryption to protect confidentiality and integrity. The program uses memory-hard key derivation functions to prevent custom hardware attacks.
Pricing:
- Open Source
#File Encryption #Folder Encryption #Cloud Storage
Kryptor Landing Page
10

Kryptor

Kryptor is free and open source file encryption software for Windows, Linux, and macOS.
Pricing:
- Open Source
#Security & Privacy #File Encryption #Encryption