Best Calendar Software in Asia

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.

Boost your email and skyrocket your productivity with the best email client for Windows and macOS. eM Client is a fully-featured email client with a clean and easy-to-use interface. It also offers features for calendars, tasks, contacts, notes, and chat. eM Client's compatibility is unmatched. You can connect to any email service – it will work. This email client works seamlessly with Google Workspace, Office 365, Outlook, Exchange and virtually all conceivable email technologies. Integrates with Online meeting tools such as Zoom, MS Teams, Google Meet and more. eM Client enhances email communication for professionals and home users alike. It is the only email app on the market with the full support of server-side rules and search, instant message translation, "Snooze email" and “Watch for reply” features + easy to use email encryption (PGP and S/MIME). It also works perfectly with Gmail, including support for tags and signature synchronization.

Microsoft Outlook is the all-in-one email, calendar, and contact management platform designed to keep you organized and connected across your digital life. With Outlook, you can manage multiple accounts—including Gmail, Yahoo, and iCloud—within one unified inbox. Intelligent scheduling tools and shared calendars help you stay on top of meetings, events, and personal reminders. The built-in Microsoft Copilot assists with writing emails, summarizing long threads, and managing tasks to boost productivity. Outlook also offers enterprise-grade security, filtering out spam, phishing, and malware to keep your data safe. Whether on desktop, mobile, or web, Outlook helps you manage communication and time with clarity and confidence.

G Suite just got better — introducing Google Workspace (formerly G Suite). Everything you need to get anything done, now in one place. An integrated workspace that’s simple to use, Google Workspace lets you spend less time managing your work and more time actually doing it. Address what’s important and let Google handle the rest with best-in-class AI and search technology that helps you work smarter. Work from anywhere, on any device – even offline – with tools to help you integrate, customize, and extend Google Workspace to meet your team’s unique needs. Similar to G Suite, all Google Workspace plans provide a custom email for your business and includes collaboration tools like Gmail, Calendar, Meet, Chat, Drive, Docs, Sheets, Slides, Forms, Sites, and more. We have a variety of plans that are designed to meet your unique business needs. Discover which plan best fits your business needs on our plans and pricing page.

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.

Spike brings your entire workspace into your Inbox: email, chat, calendar, calls, team collaboration, tasks — to one powerful Inbox. Everything you need to get your work done is in a single feed, so you can finally give the app-switching a rest. Spike’s conversational email fuses traditional email with instant messaging — eliminating cluttered email threads. With real-time conversations and live collaboration, have better interactions and a more human communication experience. Spike is available on iOS, Android, Mac, Windows & Web.

Email, meet AI. Canary can write your emails, prioritize what needs attention, silence spam & much more. Say hello to your Inbox Copilot!

EssentialPIM is the award-winning email client and complete information management solution. It handles all your email messages, appointments, contacts, tasks, notes and password entries with easy-to-use, intuitive tools.

Up your game with BlackBerry apps on your Android phone. Give your phone a productivity boost from BlackBerry®. Whether it’s integrating all your messages and social notifications into one place or giving you a really smart Calendar, BlackBerry makes sure doing stuff on your Android™ phone is effortless. Keep organized with BlackBerry® Hub+ Inbox. Inbox consolidates all your email, calendar events and social notifications from apps like Facebook, WeChat, Twitter, LinkedIn and WhatsApp in one unified app. You can also sync your BlackBerry Hub+ Inbox with Wear OS by Google devices to receive notifications and respond directly from your watch. BlackBerry® Hub+ Calendar allows you to schedule appointments and create events with ease. Use the Agenda, Day, Week, or Month view to quickly glance at your events and respond to meeting invitations directly from the BlackBerry Hub+ Inbox. You can also call into meetings directly from your event reminder with just one tap.