Compare the Top Calendar Software in Asia as of November 2025

What is Calendar Software in Asia?

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 in Asia currently available using the table below. This list is updated regularly.

  • 1
    iCloud

    iCloud

    Apple

    See your photos, files, notes, and more across all your devices. They’re safe, up to date, and available wherever you are. If you lose a device, use Find My iPhone on iCloud.com to locate it, turn on Lost Mode, or erase it remotely. Securely store your files in iCloud Drive so you can share them with friends and colleagues. Add or edit photos and videos on one device, see them on all your devices.
  • 2
    Skiff

    Skiff

    Skiff

    Skiff is a private, end-to-end encrypted workspace with Mail, Calendar, Pages, and Drive products for completely secure communication and collaboration. All Skiff products are designed with security and privacy in mind. All apps are built with end-to-end encryption (E2EE), so you never have to share your personal information, sensitive data, or private keys with anyone else. At all times, only you can access the content of your emails. Generous free tier - Enjoy 10 GB of free storage for your email, attachments, documents, and notes. - Create up to 4 free email aliases to protect your identity. Open-source and audited - Skiff Mail is open-source, uses open-source cryptography, and undergoes external security audits. - You can access our whitepaper and code at skiff.com. No trackers or ads - Sign up and upgrade without sharing any personal information; use crypto payments in many different currencies to upgrade. - Your data is never collected, sold, or shared.
  • 3
    Open Web Systems

    Open Web Systems

    Open Web Systems

    We will never sell your data to anyone else. Secure your data with powerful file access control, multi-layer encryption, machine-learning based authentication protection and advanced ransomware recovery. Enjoy constant improvements from a thriving and transparent, entirely open-source community development model, free from lockins, paywalls, advertising and covert surveillance. Open Web Systems is a collaboration between The Open Co-op and Collective Tools and is governed by its members as a cooperative. Together we are building the regenerative, commons economy. Your personal, customisable, welcome screen where you can place quick links to your most important tools and resources – and search across all of your files and applications at the same time. Create documents and spreadsheets and collaborate with others via desktop, mobile and web. Find files with powerful search, share your thoughts in comments or lock files until you are done with them.
    Starting Price: $4.94 per month
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