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Cypht

Open-source modular webmail and unified inbox platform that combines multiple email accounts, news feeds, and messaging protocols into a single privacy-friendly interface.

Alternative to: Gmail and Outlook
Webmail Email Client Unified Inbox Self-Hosted PHP Privacy Modular Open Source
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About Cypht

Cypht is an open-source modular webmail and unified inbox platform designed for users who want to manage multiple communication accounts from a single interface while maintaining privacy and flexibility. Instead of replacing existing email providers, Cypht aggregates and combines accounts from multiple services into one centralized dashboard. The platform supports IMAP and SMTP for traditional email workflows while also offering support for JMAP, EWS, and RSS or news feeds, allowing users to manage email and news reading together in one application. Built with a plugin-based architecture known as module sets, Cypht allows developers and administrators to extend functionality and customize features without modifying the core codebase. Users can browse and manage IMAP folders, send outbound mail through SMTP, organize multiple inboxes into combined views, and create streamlined workflows across personal and professional accounts. Cypht is designed as a lightweight self-hosted alternative to proprietary webmail services, emphasizing privacy, modularity, and open standards. The project provides installation support for traditional servers, Docker deployments, and Composer-based developer installations, with active community collaboration through meetings, chat rooms, and open-source contributions. Cypht is suitable for developers, privacy-focused users, organizations, and self-hosting enthusiasts seeking a customizable and extensible unified communication platform.

Key Features

  • Unified inbox for multiple email accounts
  • Supports IMAP and SMTP email protocols
  • JMAP support for modern email workflows
  • Microsoft Exchange Web Services (EWS) support
  • Integrated RSS and news reader functionality
  • Combined account views across providers
  • Plugin-based modular architecture
  • Customizable module sets and extensions
  • Browse and manage IMAP folders
  • Send outbound messages with SMTP
  • Privacy-friendly self-hosted webmail platform
  • Docker deployment support
  • Composer package support for developers
  • Community-driven open-source development
  • Lightweight browser-based email interface
  • Supports multiple existing email providers
  • Flexible customization without core modifications
  • Security-focused open-source architecture
  • Works as both webmail client and news reader
  • Designed for extensibility and modular integrations

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