Apps similar to Kolab Now include Proton Mail, which is open source with a free version. Other options are Gmail, Tuta Mail, Zoho Mail and Posteo. There's no shortage of WebMail Providers like Kolab Now, with more than 50 alternatives for the web, Android, iPhone, Windows and Linux.
This secure email platform offers end-to-end encryption, a comprehensive suite with Calendar and Documents. Mailfence is inter-operable with OpenPGP services, features digital signatures, provides keystores, and available as a PWA for mobile independence while ensuring no ads, trackers, or surveillance.
Belgium
EU
Proton Mail provides secure email services with end-to-end encryption, ensuring data protection. Swiss-based and outside US jurisdiction, it offers a free version to champion privacy as a human right. Fully accessible on any device.
Switzerland
Gmail offers robust spam blocking, undo send, Google Chat for collaboration, Spaces for organizing projects, Google Meet video calls, Smart Reply, threaded conversations, and swift notifications, seamlessly integrating with Google Workspace for a comprehensive email experience.
United States
Offers comprehensive encryption for email, calendar, and contacts with zero personal info required. Built on open source, install via Play Store, F-Droid, or APK, with Tor and VPN support. Both free and paid plans; utilizes quantum-resistant encryption ensuring privacy-focused, anonymous usage.
GermanyEU
Zoho Mail is a secure, encrypted, and enterprise-ready email solution, a suite of apps tailor-made for your organization's needs.
India
Web- and IMAP-based email service. 4GB cost 1€/month. Information is hosted on encrypted hard drives. Electricity from renewable resources is used.
GermanyEU
E-mail inbox, online office, cloud storage, and video conferencing. Business or personal plans. From 1 € /month (1.10 USD).
GermanyEU
Your own workspace. A self-hosted, open source alternative to Google Workspace: mail, drive, docs, sheets, slides, calendar and chat.
NetherlandsEU
Privacy-focused Swiss email system provides 20 GB free storage, supports custom domains and unlimited storage, syncs contacts and calendars, is ad-free, and is part of a secure productivity suite used by over a million users across Europe on all devices.
Switzerland
Google Workspace delivers a cloud-based suite combining Gmail, Calendar, Meet & Drive to enhance collaboration through tools like Docs and Sheets. Offers secure storage options, custom domain emails, and robust management capabilities with 2FA and 24/7 support.
United States
Fastmail offers secure email hosting with comprehensive webmail services, including IMAP, POP, and SMTP protocols. It supports file sharing, shared folders, large mailboxes, instant messaging, and is compatible with popular email programs. Excellent for businesses with compliance features.
Australia
Privacy-focused email service offering easy one-click PGP encryption, 20 GB storage, disposable email addresses, and compatibility with IMAP/SMTP while adhering to Dutch privacy laws to secure data and communications effectively.
NetherlandsEU
Nextcloud is the most deployed on-premises file share and collaboration platform. Access & collaborate across your devices. As fully on-premises solution, Nextcloud Hub provides the benefits of online collaboration without the compliance and security risks.
GermanyEU
