

Carbonio
Carbonio Community Edition (Carbonio CE) is a free and open-source (FOSS) email and collaboration platform designed by Zextras. It is a complete email solution, allowing organizations to maintain digital sovereignty through on-premises self-hosted servers, ensuring privacy and...
Cost / License
- Free
- Open Source
Platforms
- Online
Features
Properties
- Privacy focused
- Lightweight
Features
- Real time collaboration
- End-to-End Encryption
- PGP Encryption
- Full-Text Search
- Email Scheduling
- Calendar Integration
- Mail Filtering
- Recurring Tasks
- Email Organizer
- Reminders
- Ad-free
- Dark Mode
- Two-factor Authentication
- Calendar View
- No Tracking
- OpenPGP
- Shared Folders
- Command line interface
- Spam Filter
- Support for Aliases
- GPG Encryption
- Digital Workplace
Carbonio News & Activities
Recent News
Recent activities
- arscynic reviewed Carbonio
Carbonio is replete with bugs—hence not infrequently being referred to as "Craponio" by users. A prime example why vibe coding [AI generated code / AI slop *] by amateur programmers is irresponsible and should be avoided, especially for critical infrastructure. Support by Zextras is unimaginably unprofessional; during a support call the head representative was fellating an e-cigarette while communicating in a way that boils down to "f^&% you, pay me" even when one had paid, and pointing fingers...
Carbonio information
What is Carbonio?
Carbonio Community Edition (Carbonio CE) is a free and open-source (FOSS) email and collaboration platform designed by Zextras. It is a complete email solution, allowing organizations to maintain digital sovereignty through on-premises self-hosted servers, ensuring privacy and control over your communications.
Carbonio CE offers comprehensive features, including email management, intuitive calendaring, chat, video chats, dedicated file management, collaborative document editing, and enhanced user experiences. Additionally, its dedicated iOS and Android apps ensure seamless accessibility across devices.
What sets Carbonio CE apart:
- Seamless migration
- GDPR Compliance
- Multi-tenant (Multiple domains on a single instance)
- Improved & Customizable Anti-Virus & AntiSpam Engine.
- Supports both virtual and on-premise deployment






Comments and Reviews
Carbonio is replete with bugs—hence not infrequently being referred to as "Craponio" by users. A prime example why vibe coding [AI generated code / AI slop *] by amateur programmers is irresponsible and should be avoided, especially for critical infrastructure. Support by Zextras is unimaginably unprofessional; during a support call the head representative was fellating an e-cigarette while communicating in a way that boils down to "f^&% you, pay me" even when one had paid, and pointing fingers in an infinite loop towards their different support branches across countries.
*AI is not the be-all and end-all yet. Please stop blindly relying on it and giving it all your data, goddamn. It's equally excellent at spewing credible nonsense as it does right answers.