Kolab Now Alternatives for iPad

ProtonMail is a leading secure email service utilizing end-to-end encryption and zero-access architecture to protect user privacy. Developed by scientists at CERN, it offers a robust and user-friendly platform for sending and receiving confidential communications.

Tutanota is a leading open-source email service offering robust end-to-end encryption and enhanced privacy. It provides a secure platform for communication and calendar management, accessible via web and dedicated applications.

Yahoo! Mail is a long-standing web-based email service offering various plans for personal and business use. It provides essential email functionalities along with integrated features like chat and calendar.

FastMail is a premium, privacy-focused email service offering secure and reliable communication for individuals and businesses. Known for its speed, lack of advertising, and strong commitment to user privacy, it provides a clean and efficient alternative to free, ad-supported email platforms.

Kopano is a versatile open-source groupware suite offering email, calendaring, contacts, and online collaboration tools for businesses and organizations. It provides flexible deployment options, including on-premises and hosted solutions, with strong focus on data privacy and security.

Wimi is an all-in-one collaborative workspace for teams. It integrates project management, task management, file sharing and synchronization, team chat, video conferencing, and shared calendars into a single platform to streamline teamwork and boost productivity.

Hushmail is a secure, encrypted email service designed for privacy-conscious individuals and organizations. Offering end-to-end encryption and robust security features, it provides a safe alternative to many standard email providers.