Open Source Email Clients using CSS
A curated collection of the best open source desktop, mobile, and web applications for reading and managing email, with multi-account support, search, and encryption. using CSS.
Keyboard-first email client with AI, chat, and tasks
Stars
3,850Last commit
9 hours agoLicense
AGPL-3.0
An AI-powered email client that combines inbox management, chat, tasks, and AI agents in one shared workspace, built for keyboard-driven workflows.
Open Source Alternative to:
Transform team email into efficient collaborative workflows
Stars
1,754Last commit
6 months agoLicense
AGPL-3.0
Streamline team communication with shared inboxes, unlimited email addresses, and customizable workflows. Perfect for modern businesses seeking organized email management.
Open Source Alternative to:
Secure open source email with advanced encryption & AI
Stars
645Last commit
17 hours agoLicense
AGPL-3.0
Open source professional email solution with PGP encryption, JMAP protocol, AI-powered responses, and advanced antispam protection. Control your data privately.
Open Source Alternative to:
c15t – Open-source cookie banner, built for control and lightening fast modern web apps.
c15t