Websites to Built-in Calendar

Discover Websites to Built-in Calendar.

Quickly access and manage your schedule through seamless integration with Google Calendar.

Best Online Apps to Built-in Calendar

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Gmail

Gmail

Free Personal

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.

Excellent spam filtering reduces unwanted emails.
Collaborative writing
Office & Productivity Online Services
Soverin

Soverin

Commercial

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.

Strong emphasis on user privacy and security.
Privacy focused
Development Office & Productivity
MIDAS

MIDAS

Commercial

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.

Comprehensive resource management beyond just rooms.
Event management
Office & Productivity Travel & Location
Visto

Visto

Freemium

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.

Strong workflow visualization and automation features.
Collaborative
Business & Commerce Office & Productivity
ALTO Mail

ALTO Mail

Free

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.

Unified inbox simplifies managing multiple email accounts.
Support for IMAP
Office & Productivity Online Services
Kin Calendar

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.

Seamless integration with multiple calendar services (Google, Facebook, iCloud).
Facebook integration
Backup & Sync Office & Productivity
AOL Mail

AOL Mail

Free

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.

Free to use with generous storage.
POP3 Support
Office & Productivity Online Services
Posteo

Posteo

Commercial

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.

Strong focus on user privacy and anonymity
Built-in Calendar
Office & Productivity Online Services
todoyu

todoyu

Open Source

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.

Comprehensive suite of integrated tools (task management, time tracking, calenda...
Collaborative
Business & Commerce Office & Productivity
RowShare

RowShare

Free Personal

RowShare is a collaborative online table tool that simplifies data organization and team collaboration. It offers a familiar spreadsheet-like interface with powerful features for task management, project tracking, and data sharing. Designed for teams of all sizes, RowShare makes working together on structured data intuitive and efficient.

Intuitive and familiar spreadsheet-like interface.
Collaborative
Business & Commerce Office & Productivity
Email.biz

Email.biz

Free

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.

Strong focus on privacy and security with end-to-end encryption.
Email Server
Office & Productivity Online Services
Contentools

Contentools

Commercial

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.

Centralizes content marketing activities
Social Media Automation
Kolab Now

Kolab Now

Commercial

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.

Strong focus on user privacy and data security.
Collaborative
Backup & Sync Office & Productivity Online Services Security & Privacy
Nylas Mail

Nylas Mail

Freemium

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.

Open-source and highly extensible through plugins.
Cloud sync
Office & Productivity
OpenMailBox

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.

Free email hosting service available to all users.
Support for IMAP
Office & Productivity Online Services
GMX

GMX

Free

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.

Generous free cloud storage included.
Support for WebDAV
Backup & Sync Office & Productivity Online Services
Yahoo! Mail

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.

Well-established and reliable service with a long history.
End-to-End Encryption
Office & Productivity Online Services
Yandex.Mail

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.

Effectively unlimited storage for emails and attachments.
POP3 Support
Office & Productivity Online Services
Buffer

Buffer

Freemium

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.

Extremely user-friendly interface, easy to learn and use.
Auto update
Social & Communications Web Browsers
ProtonMail

ProtonMail

Open Source

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.

Strong end-to-end encryption by default for ProtonMail users.
Anonymity
Office & Productivity Online Services Security & Privacy
Microsoft Office Outlook

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

Comprehensive suite for managing email, calendar, contacts, and tasks in one app...
Built-in Calendar
Office & Productivity
Kolab Community

Kolab Community

Open Source

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.

Free and open source, offering cost savings.
Collaborative
Office & Productivity