List of Top Free Open Source & Self Hosted Application for Communication - Email - Webmail Clients

Webmail clients.

Cypht – Feed reader for your email accounts. LGPL-2.1 PHP
IMP – HORDE application that provides webmail access to IMAP and POP3 accounts. GPL-2.0 PHP
MailCare – Open source disposable email address service. MIT PHP
Roundcube – Browser-based IMAP client with an application-like user interface. GPL-3.0 PHP
SnappyMail – Simple, modern, lightweight & fast web-based email client. (It is an actively developed fork of RainLoop). AGPL-3.0 PHP
SquirrelMail – Another browser-based IMAP client. GPL-2.0 PHP

Ashwani K

👤 About the Author

Ashwani is passionate about DevOps, DevSecOps, SRE, MLOps, and AiOps, with a strong drive to simplify and scale modern IT operations. Through continuous learning and sharing, Ashwani helps organizations and engineers adopt best practices for automation, security, reliability, and AI-driven operations.

🌐 Connect & Follow:

Website: WizBrand.com
Facebook: facebook.com/DevOpsSchool
X (Twitter): x.com/DevOpsSchools
LinkedIn: linkedin.com/company/devopsschool
YouTube: youtube.com/@TheDevOpsSchool
Instagram: instagram.com/devopsschool
Quora: devopsschool.quora.com
Email– contact@devopsschool.com

Find Trusted Cardiac Hospitals

Compare heart hospitals by city and services — all in one place.

Explore Hospitals

Certification Courses

DevOpsSchool has introduced a series of professional certification courses designed to enhance your skills and expertise in cutting-edge technologies and methodologies. Whether you are aiming to excel in development, security, or operations, these certifications provide a comprehensive learning experience. Explore the following programs: