Top 14 open-source products relevant to Email and Enterprise Communication

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.

Open Source

Get your encrypted mailbox for free.

Open Source

Mailspring is a mail client for Mac, Windows and Linux.

Open Source

Web-based IMAP email client.

Open Source

Mailpile is a modern, fast web-mail client with user-friendly encryption and privacy features.

Open Source

RainLoop is a web based email client.

Open Source

All your E-mail, from all your accounts, in one place. Cypht is like a news reader, but for E-mail.

Open Source

💌 Mail app for Nextcloud.

Open Source

SquirrelMail is a standards-based webmail package written in PHP.

Open Source

NeoMutt is a command-line mail reader. It's a version of https://alternativeto.

Open Source

Postfix monitoring and problem resolution.

Open Source

While Wikipedia is the broadest unified body of knowledge, WikiSuite is the most comprehensive and integrated Open Source enterprise solution.

Open Source free

Bojler is an email framework for developing responsive and lightweight email templates that will render correctly across each of the most popular email clients.

Open Source

Coming to terms with working from home? Try WFHBOX, a single place for all your apps.

Open Source freemium $43.0 / One-off ((Full access - 6mths) )