Best Email Collaboration Products in 2024

FOSS Private Digital Workplace Email and Collaboration Platform

Open Source free

Virtru is your data privacy force field, wrapping and protecting emails and files wherever they're shared. Easy-to-use data security software for business. People also askIs Virtru Hipaa compliant?

NeoCertified is a solution that provides secure email encryption for businesses and organizations across all industries, including healthcare, finance, legal, non-profit and education.

A fully fledged, free email server solution, an open source project (GPL v2).

Open Source

Use Encyro to send sensitive messages and files to your customers and service providers, including accountants, loan officers, health coaches, and others. Stay organized and forward documents from your mobile device.

As email is the preferred medium for business communications, preventing confidential information from being leaked in outbound email messages must be a top priority in order to lower the risk of a data breach.

Spike solves businesses' communication chaos by bringing together email, team chat, collaborative docs, and meetings, into one feed.

freemium

Zimbra is trusted by over 500 million users to increase productivity with a complete set of collaboration tools while maintaining total control over security and privacy.

An open source mailserver suite.

Open Source

Achieving email security with an end-to-end email encryption solution without impacting the user experience.

SendSafely operates a zero knowledge, end-to-end encrypted file exchange platform

Paubox provides HIPAA compliant email encryption without the hassle of extra steps.

Buy or renew ZixEncrypt. ZixEncrypt Pricing. Encrypted email that gives you peace of mind that your sensitive data is secure. Automatic email encryption.