Compare the Top Calendar Software for Linux as of August 2025

What is Calendar Software for Linux?

Calendar software and calendar apps are essential in keeping your schedule organized. Calendar software offer a range of features including scheduling, task management, collaboration tools, calendar sync, and more. Compare and read user reviews of the best Calendar software for Linux currently available using the table below. This list is updated regularly.

  • 1
    Proton Mail

    Proton Mail

    Proton AG

    Proton Mail is the simplest way to protect your communications with built-in end-to-end encryption. Prevent data breaches, stay compliant with regulations like GDPR and HIPAA, and earn client trust. Protected by Swiss privacy laws and trusted by over 50,000 businesses, Proton Mail keeps your business data confidential and under your control. With Proton Mail and Calendar, your team can securely manage their inbox and schedule, while your organization maintains a professional presence with support for custom email domains and personalized branding. And with the Easy Switch tool, migrating from Google or Microsoft is seamless, no IT expertise required.
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    Starting Price: $6.99/user/month
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  • 2
    Thunderbird

    Thunderbird

    Mozilla Foundation

    Thunderbird is a free email application that’s easy to set up and customize - and it’s loaded with great features! Thunderbird makes email better for you, bringing together speed, privacy and the latest technologies. Focus on what matters and forget about complexity. Multiple features, such as built-in Do Not Track and remote content blocking, work together to ensure your safety and privacy, so you can have peace of mind. With Add-ons (Extensions & Themes) and many more features you can change the look and feel of Thunderbird in an instant. Organize your schedule and life’s important events in a calendar that’s fully integrated with your Thunderbird email. Manage multiple calendars, create your daily to do list, invite friends to events, and subscribe to public calendars. Thunderbird is an open source project, which means anyone can contribute ideas, designs, code, and time helping fellow users.
  • 3
    Vivaldi

    Vivaldi

    Vivaldi Technologies

    The new Vivaldi browser protects you from trackers, blocks unwanted ads, and puts you in control with unique built-in features. Get Vivaldi and browse fast. Vivaldi is a web browser that was designed with the user in mind. It offers a wide range of features and customization options, making it a powerful and flexible tool for browsing the internet. One of Vivaldi's key features is its tab management system, which allows users to easily organize and manage multiple tabs. Vivaldi also offers a range of built-in tools, such as a notes and bookmarks manager, and the ability to take and share screenshots. Additionally, Vivaldi is designed to be fast and secure, with support for features like built-in ad-blocking and privacy protection. Overall, Vivaldi offers a unique and customizable browsing experience for users who want more control and flexibility.
  • 4
    Noodle

    Noodle

    Vialect

    Noodle is the all-in-one enterprise platform that removes the stress of working across emails, file servers, task managers, spreadsheets, chats, meetings, etc. Teams that use their Noodle communicate better and are more productive. Your people will see where everything is, understand what everyone is working on, all while improving the company culture. Features Cloud or On-Premise Options Fully Customizable Design Build Sites in Minutes Regularly Updated With New Features Flexible Password Controls Drag and Drop Features/Post Track Views of Content Unlimited Colors/Skins Create Polls/Surveys Sync with Active Directory 11 Supported Languages Built In Block Text Editor Follow Co-Worker’s Statuses Create Custom Workflows Embed Video and Photos Easily Archive Content Video Conferencing Build E-Forms and Reports Merge Multiple Calendars Optimized For Speed All Applications Included View Personal User Statistics Personal Digital Workspace Etc
    Starting Price: $200 per month
  • 5
    Tuta

    Tuta

    Tuta

    Tuta offers a highly secure, encrypted email, calendar, and contacts service designed to give users complete control over their data. With end-to-end encryption powered by quantum-safe cryptography, Tuta ensures that all your communications are private and safe from surveillance. The platform is easy to use, supports mobile apps for Android and iOS, and is ad-free, offering a seamless experience across multiple devices. Tuta is committed to using renewable energy to power its servers, ensuring privacy while contributing to a greener future.
    Starting Price: €1.20 per month
  • 6
    Jira Work Management
    Business project management software. See all project information at a glance with Jira Work Management (formerly Jira Core). Manage your projects and keep your team organized. Managing projects and tasks in Jira Work Management starts with a workflow. Workflows define your process and enable your team to track tasks. Jira Work Management Cloud instances also have boards that allow you to visualize your workflows and drag and drop tasks from to-do to done. Currently available in cloud offering only. Task management is easier with statuses, comments, and attachments in one place. Everyone knows a project's details at a glance without having to email or set up a meeting. Plus, with notifications you'll know when your attention is needed. How many tasks are still in progress? Which team member has too much on their plate? Using Jira Work Management, you can follow the status of your team's projects in different ways: with a quick overview, customized dashboards, and more.
    Starting Price: $5 per user per month
  • 7
    Morgen

    Morgen

    Morgen

    Organize your day by prioritizing your tasks and blocking your time with a simple drag-drop. No more lost in tabs. When you need to have a quick peek into your calendar, use Option+C to bring it up. When you are done, hit the same combination to go back. One more hint? Use can also use W and D to switch between daily and weekly view while in Quick peek mode. Our time is the only asset we cannot buy, only optimise for and defend. For this reason, the default for events in Morgen is to create a time blocker. This way creating times for focusing on what matters it's faster than ever. Notifications for your upcoming meetings integrated into your system. No more searching for that link. Join a video call with one-click. Morgen implements tons of shortcuts to do the most common actions as you would expect it to be able to to. Sync all your meeting rooms in Morgen, adding them to any meeting will be as easy as one click.
    Starting Price: $3.75 per user per month
  • 8
    Rise

    Rise

    Rise

    Rise helps you schedule, optimize and protect your day to give you more time for what's important. Rise is a beautiful calendar that uses hundreds of signals to find the best times to meet, resolve conflicts and blocks off focus time. Upgrade your important events to flexible meetings and Rise takes care of the rest. Automatically block off your dentist appointment in your private calendar in your work calendar, without exposing personal information. Reclaim valuable time by accepting suggestions by Rise that work for everyone. Pin your favorite teammates for quick scheduling and to instantly see what they are doing.
    Starting Price: $16 per month
  • 9
    Brite

    Brite

    Brite

    Your All-in-One Planner App: Tasks, Calendar, Habits & More for Effortless Productivity. Brite combines all essentials in one app. Plan, check, and streamline effortlessly. Swap app clutter for simple, organized brilliance with Brite! View your whole week. All tasks, projects, events, and docs in one spot. Ditch multiple calendar apps for seamless, stress-free planning. Quickly craft to-do's, manage tags, and prioritize with Brite. Smart alerts keep you on track. Manage projects using Brite: ideal for personal and work goals. Utilize our kanban board, collaboration tools, and real-time goal tracking. Craft notes and docs with Brite's intuitive editor. Share ideas on iPad using slash commands and collaboration tools. Manage schedules with Brite's calendar. Get daily to monthly views, set reminders, and sync with Google, Outlook, and Apple for seamless planning.
    Starting Price: $3.29 per month
  • 10
    Tuta Calendar
    Tuta Calendar is a zero-knowledge calendar with quantum-safe encryption, ensuring that all your events are protected from snooping and prying eyes. Whether you schedule events, receive event invitations, or share your calendar with others, all steps in the Tuta Calendar are automatically encrypted end-to-end. This means your data belongs to you, and no one else can access it. The intuitive, clean design allows for easy organization of appointments, business meetings, and repeating tasks. Push notifications are sent securely, so no third party can track you. Two-factor authentication can be enabled to protect your login credentials from malicious attacks. Tuta Calendar is available with free and open source desktop clients. You can share calendars and events with your family, organization, or company with a few taps.
    Starting Price: €3 per month
  • 11
    Routine

    Routine

    Routine

    Routine is a work operating system that helps individuals and teams organize and manage their work efficiently. Routine centralizes work (tasks, meetings, tickets, clients etc.) from third-party services (GitHub, Salesforce, HubSpot, Slack, Dropbox etc.) into a graph-based unified workspace allowing seamless cross-referencing, 360-degree overview, data enrichment and visualization. By integrating with existing tools, Routine connects and enriches fragmented information, allowing users to track projects, collaborate efficiently, and make better decisions without having to constantly switch between multiple apps. Its data-driven and local-first approach ensures the information remains accessible and performant even without cloud connectivity.
    Starting Price: $10/month
  • 12
    Dayshape

    Dayshape

    Dayshape

    Dayshape delivers leading resource management software designed to help organizations achieve extraordinary results. Trusted by Big Four and many other top professional services firms globally, Dayshape is the only solution that combines advanced AI, real-time project financials, and firm-wide insights enabling customers to elevate resource management into a strategic function. The platform seamlessly fits with existing ecosystems through integrating with ERP, PSA, CRM, HR systems, and more. Dayshape also stands out as the only resource management vendor with a Workday packaged solution—built to handle complexity and grow with your firm. By driving profitable growth, powering confident decisions and ensuring satisfied clients and teams, we're helping our customers build strong organizations and careers for the long term.
  • 13
    Calendar 365
    Introducing Calendar 365 for Dynamics CRM - Your Ultimate Time Management Solution! Stay organized, efficient, and in control of your schedule with Calendar 365 for Dynamics CRM. Designed to seamlessly integrate with Microsoft Dynamics CRM, this powerful calendar extension revolutionizes the way you manage your time, tasks, and appointments. Whether you're a sales professional, customer support agent, or project manager, Calendar 365 is your indispensable tool for maximizing productivity and staying on top of your daily activities. Here are some features that can help you improve the productivity of your team: - Seamless Integration - Intuitive Interface - Customizable Views - Color Coding - Smart Reminders - Team Collaboration - Mobile Accessibility - Time Zone Support - Analytics and Reporting - Security and Privacy
    Starting Price: $599 yearly (1-10 users)
  • 14
    Calindori
    Calindori is a touch friendly calendar application. It has been designed for mobile devices but it can also run on desktop environments. Users of Calindori are able to check previous and future dates and manage tasks and events. When executing the application for the first time, a new calendar file is created that follows the ical standard. Alternatively, users may create additional calendars or import existing ones.
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