email

Thunderbird is a free email application that is easy to set up and customize - and it's loaded with great features!

Keep your conversations private with Proton Mail, an encrypted email service based in Switzerland.

Fast email client with full Gmail, Hotmail and other services synchronization. Best replacement for MS Outlook or Thunderbird. Free version for Home users.

Betterbird is a fork of Mozilla Thunderbird with additional features and bugfixes.

A powerful, intuitive, ultra-customizable and dead set on mailing

Tutanota is an email client with a strong focus on security and privacy that lets you encrypt emails on all your devices.

Use Proton Mail with your desktop email client

Web-browser, advanced e-mail, newsgroup and feed client, IRC chat, and HTML editing made simple—all your Internet needs in one application.

Smart. Focused. Email.

Host your business email on a secure, encrypted, privacy-guaranteed, and ad-free email service, and add a professional touch to every email that goes out.

Efficient, powerful and cross-platform email client

Boost your productivity and send better email with Mailspring, the best mail client for Mac, Linux, and Windows.

BlueMail is a free, beautifully designed, cross platform email & calendar app, capable of managing an unlimited number of mail accounts from various providers.

MailWasher lets you preview all your email before it gets to your computer, enabling you to read all your email securely, and instantly delete any unwanted or suspicious email.

The ultimate radio email client designed for seamless communication

MailWasher lets you preview all your email before it gets to your computer, enabling you to read all your email securely, and instantly delete any unwanted or suspicious email.

Secure email transfer and file sharing

A brand new generation of email collaboration and office platform by NetEase.

Zimbra Desktop is a desktop email client that gives you online and offline access to your Zimbra email.

The user-friendly, lightweight, and fast email client

Alibaba Mail for Windows

Postbox is the power email app for busy professionals, like you.

A decentralized and secure messenger app

The most productive email app ever made.

Microsoft Outlook add-in for secure email and file sharing

Local-first guarded mail and calendar CLI and MCP server

Local-first Outlook Web CLI and MCP server

Command-line interface for ReplyLayer, safe email for AI agents.

A local-first desktop email client for people who want a calmer, more private inbox.

Read-only command-line interface for Gmail

A completely free backup software for the Mozilla Thunderbird E-mail client.

Unofficial ProtonMail Desktop App

FOSS messaging and emailing app that combines common web applications into one

Outlook Web Application as a dedicated application. This hosts outlook.com and is suitable for using for personal email.

Outlook Web Application as a dedicated application. This hosts mail.office365.com and is suitable for using with enterprise work or school environments

Nifty Gmail desktop app

Automatic and centrally managed email signatures for all staff on all devices.

The Gmail experience you deserve

An IM-like email client

A wechat, email, and app notifications desktop client.

Your Communication Beyond eMail

Fast, free .eml email viewer

Cross-platform SMTP / IMAP / POP3 connectivity tester with IT-actionable diagnostics.

Always send From the right Outlook account

Save, process, manage and remove Outlook attachments

Save Outlook email messages outside of Outlook

Prevent accidental email private data disclosure

File and organize Outlook email

Categorize, tag, label and find Outlook Email

Lightweight CPU and memory monitoring alert tool for Windows.

Lightweight ping monitoring alert tool for Windows.

Lightweight TCP port monitoring alert tool for Windows.

An unofficial desktop client for ProtonMail done with electron nativefier

安全省心，轻松连通世界

Check Microsoft 365 mail, Teams chats, and next meeting from the terminal

A beautiful and functional email client for your terminal.

Febooti Command Line Email is a powerful but easy to use email-sending utility that supports all basic and advanced email client's sending capabilities

Cross-platform encrypted email client

Standalone SMTP server designed for viewing received messages

Connect AI agents to your local apps — Outlook, Calendar, Teams, Excel, Word. 95+ tools, 100% local.

A beautiful, privacy-friendly CLI tool to analyze and unsubscribe from newsletters.

Editor for email filter Sieve scripts

Personal Information Manager

A simple plugin for Outlook 2013+ which adds a button to the compose mail menu to enable Markdown mode. When enabled your email will be turned from Markdown syntax to html when sending.

Integration add-in for Microsoft Outlook providing email security, archiving, and continuity via Mimecast.

The administrative command-line client for MailFathom, a self-hosted AI-native mail service.

Native multi-provider desktop email client

Provides access to MAPI stores to facilitate investigation of Exchange and Outlook issues and to provide developers with a sample for MAPI development.

AI-Powered Workflow Automation Tool

A cross platform desktop Gmail client built with Electron

All-in-one Shared Inbox and Team Email Platform