Cypht – Unique Open Source Webmail
Cypht is a lightweight, open-source webmail client that combines all your email accounts and RSS feeds into one unified, streamlined inbox. Supports IMAP, SMTP, JMAP, and EWS.
Cypht – Unique Open Source Webmail launched on October 5, 2016 with 110 votes, #330 of 3,690 launches that month and more than 95% of that year's launches. The site was still online in September 2026, 10 years on.
In plain words
Cypht is a lightweight, open-source webmail client that consolidates multiple email accounts and RSS feeds into a single unified inbox. It works with IMAP, SMTP, JMAP, and EWS protocols without replacing existing email accounts. Built in PHP and JavaScript under the LGPL v2.1 license, Cypht offers combined views across accounts, folder management, and a modular architecture that allows customization without modifying core code. It is designed for users who want to manage multiple email sources in one streamlined interface.
written from the facts on this page · September 2026
From the sources
Cypht is a lightweight, Open Source webmail client that combines all your email accounts and RSS feeds into one unified, streamlined inbox. Supports IMAP, SMTP, JMAP, and EWS.
Cypht (pronounced "sift") is like a news reader, but for email. It doesn't replace your existing accounts, it combines them into a single, streamlined inbox. Trusted. With 162k+ Composer downloads and 158k+ Docker pulls worldwide Cypht unifies your emails and RSS feeds in a simple, clear interface for easy message management. Combined views for multiple accounts, IMAP folder management, and outbound messages with SMTP. Built entirely on module sets that let you add features or customize behavior without touching the core code. Open Source (LGPL v2.1), written in PHP and JavaScript. A lightweight webmail for ISPs, schools, businesses, or personal use. No more switching tabs. Cypht gives you…from cypht.org
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