Websites to Built-in Calendar

Gmail, a cornerstone of Google's productivity suite, is a free, web-based email service renowned for its intelligent organization, powerful search capabilities, and integration with other Google services. Available across various platforms, it remains a leading choice for personal and professional communication.

Soverin offers a secure and private suite of tools, combining encrypted email, a user-friendly website builder, and integrated organizational features, all centered around protecting user data and providing a comprehensive online presence.

MIDAS is a comprehensive web-based room and resource scheduling software designed for organizations of all sizes. It facilitates efficient management of spaces, equipment, and staff, streamlining the booking process and preventing conflicts.

Visto is a versatile collective task dashboard designed to streamline project management, team collaboration, and workflow automation. It offers a central platform for managing tasks, tracking progress, and improving team efficiency across various business processes.

ALTO Mail is an intelligent email client designed to simplify real-life organization. It offers a unified inbox, robust features like built-in calendars, and integration capabilities to streamline communication and tasks.

Kin Calendar is a sleek and intuitive calendar application designed for managing your schedule with ease. It offers seamless integration with popular services like Google Calendar and Facebook, supports multiple accounts, and includes features for reminders, events, and task management, all within a clean, ad-free interface.

AOL Mail is a free web-based email service offering reliable communication tools, generous storage, and integrated features like calendar and cloud storage, suitable for individuals and small businesses seeking a straightforward email solution.

Posteo is a privacy-focused, secure email service based in Germany, offering paid accounts with strong encryption and transparency features. It emphasizes user data protection and operates on a green energy infrastructure.

todoyu is a comprehensive web-based collaboration and project management solution designed for teams and businesses of all sizes. It integrates essential tools like task management, time tracking, resource planning, a shared calendar, and client interaction features into a single platform.

Email.biz offers a secure and privacy-focused email service designed for businesses and individuals prioritizing data protection and generic domain identities. It provides essential communication tools including encrypted email, calendar, and contact management, with integrations for enhanced productivity.

Contentools is an all-in-one content marketing platform designed to streamline the entire content lifecycle for growing businesses, from ideation and creation to distribution and analysis.

Kolab Now is a comprehensive, secure, and privacy-focused web-based email and groupware suite. Built entirely on free and open-source software, it offers a full range of collaborative tools including email, calendar, contacts, and document management, prioritizing user data ownership and security.

Nylas Mail, an extensible open-source email client, offers a unified inbox, robust search, and calendar integration. It supports multiple accounts and provides features like email tracking and undo send, aiming to enhance productivity and email management for users.

OpenMailBox is a free, privacy-focused email hosting service emphasizing security and protecting user data. It provides a webmail interface along with support for standard email protocols.

GMX Webmail provides a reliable and feature-rich free email service. With strong privacy features, integrated cloud storage, and tools like a calendar and mail collector, it offers a comprehensive suite for managing digital communication and files.

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.

Yandex.Mail is a robust and feature-rich free email service offering generous storage, strong privacy features, and seamless integration with other Yandex services. It provides comprehensive support for various protocols and tools for efficient email management for both personal and professional use.

Buffer is a comprehensive social media management platform designed to help individuals and businesses schedule posts, analyze performance, and engage with their audience across various social networks.

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.

Microsoft Outlook is a comprehensive personal information manager designed for managing email, contacts, calendars, and tasks.

Kolab Community is a comprehensive, free, and open-source groupware suite designed for collaborative work. It provides integrated email, calendar, contacts, and tasks functionalities, empowering individuals and teams to communicate and manage their data efficiently and with a strong focus on data privacy.