Calendar Softwares and Apps

Google Calendar is a robust, cloud-based scheduling and time management platform developed by Google. It allows users to create and manage events, set up reminders, share calendars with others, and sync seamlessly across devices, making it an essential tool for personal, academic, and professional organization.

ownCloud is a powerful, self-hosted open-source platform for file sync, share, and collaboration. It provides a private cloud alternative, giving users full control over their data while offering secure and convenient access from anywhere.

Asana is a leading work management platform designed to help teams orchestrate their work from day one to deadline. It enables visualization of projects, tasks, and goals across different views, fostering clear communication and collaboration. Asana streamlines workflows and increases accountability, making it ideal for teams of all sizes looking to improve productivity.

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

ONLYOFFICE is a powerful and secure office suite offering online document, spreadsheet, and presentation editors. It fosters collaboration with real-time co-editing and integrates seamlessly with various cloud storage services, providing a robust platform for both individual and team productivity.

eM Client is a comprehensive email client for Windows and macOS, integrating email, calendar, contacts, tasks, and chat into a single application. It offers robust features for managing multiple accounts, advanced security options, and a user-friendly interface, making it a powerful alternative to other popular email applications.

Lightning is a comprehensive calendar and task management add-on for Mozilla Thunderbird and Seamonkey, designed to integrate seamlessly with email. It offers robust features for scheduling, task tracking, and synchronization with various online calendar services, enhancing productivity directly within your email client.

Evolution is a comprehensive personal information manager for the GNOME desktop environment, designed to manage emails, contacts, calendars, and tasks. It provides a unified interface for various communication and organizational needs.

Apple Calendar is a personal calendar application developed by Apple Inc., designed to seamlessly integrate with your Apple ecosystem whether you are on macOS or iOS. It allows you to manage your schedule, appointments, and events efficiently, synchronizing across all your devices.

Google Workspace (formerly G Suite) is a comprehensive suite of cloud-based productivity and collaboration tools. It includes Gmail, Docs, Sheets, Drive, Calendar, and more, designed to help teams work together efficiently from anywhere.

Rainlendar is a highly customizable calendar application for Windows, macOS, and Linux. It seamlessly integrates with popular online calendars like Google Calendar and Fantastical, offering comprehensive event and task management directly on your desktop.

Nextcloud is an open-source, self-hosted platform for file synchronization, sharing, and collaboration. It provides a private alternative to commercial cloud storage services, offering a comprehensive suite of tools including file management, calendar, contacts, and notes, all under your control.

RedNotebook is a free and open-source desktop journal and diary application offering a clean interface and features for organizing notes, thoughts, and ideas with a calendar view, tag search, and basic text formatting.

OwnDrive is a comprehensive online storage and collaboration platform designed for individuals, professionals, and businesses. It offers a secure space to store, back up, share, and synchronize files across various devices, alongside integrated tools for calendar, contacts, and media management.

Cozy is a personal cloud platform designed to give users control over their digital lives. Store, sync, and share your photos, files, contacts, and calendar in a private and secure environment. It offers a suite of integrated applications to manage your data.

Claws Mail is a powerful yet lightweight, open-source email and news client built on GTK+. It's known for its speed, stability, rich feature set, and high degree of customization, making it an excellent choice for users demanding control and efficiency.

Bric is a comprehensive professional services automation platform designed to streamline project management, time tracking, resource allocation, and financial analysis for teams. It offers a suite of tools from detailed task management and scheduling to insightful reporting and forecasting, empowering businesses to optimize operations and maximize profitability.

CalendarBudget is a free, web-based personal finance and budgeting software designed to help users manage income and expenses with a unique calendar-based interface. It facilitates tracking transactions, planning future spending, and achieving financial goals through intuitive visualization and reporting.

Salesflare is an intelligent sales CRM designed for small and medium-sized businesses. It automates data entry, tracks customer interactions, and provides insights to help sales teams close more deals with less administrative work.

Kontentino is a social media collaboration and approval platform designed to streamline content marketing workflows for agencies and brands. It simplifies content creation, scheduling, and team communication, enhancing productivity and client satisfaction.

EssentialPIM is a versatile personal information manager designed to help you organize your life. It allows you to manage appointments, tasks, notes, contacts, passwords, and more, all within a single, customizable application available for desktop and mobile platforms.

Sunbird was a standalone calendar application and also a Firefox extension developed by Mozilla, designed for managing events, tasks, and calendar synchronization. It aimed to provide a free and open-source solution for personal and professional scheduling needs.

Fantastical is a powerful and intuitive calendar and task management application designed for macOS, iOS, and watchOS. Known for its natural language processing engine and elegant interface, it simplifies scheduling and staying organized across all your Apple devices.

Zenkit is a versatile project management and collaboration platform designed to bring teams and projects together in one unified workspace. Offering a range of views like Kanban, Calendar, Mind Map, Table, and Hierarchy, it adapts to various workflows and project needs, empowering users to manage tasks, organize information, and collaborate effectively.

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.

FastMail is a premium, privacy-focused email service offering secure and reliable communication for individuals and businesses. Known for its speed, lack of advertising, and strong commitment to user privacy, it provides a clean and efficient alternative to free, ad-supported email platforms.

Omnipointment is a web-based scheduling tool designed to simplify the process of finding mutually suitable meeting times for groups and understanding team dynamics. It is particularly useful for students and educators.

Zimbra Desktop provides a unified interface for managing multiple email accounts, calendars, tasks, and contacts offline. It supports various protocols like IMAP, POP, CalDAV, and CardDAV, offering a comprehensive personal information management solution.

Craigslist is a venerable online classifieds platform offering a vast array of categories including jobs, housing, personals, items for sale, services, and community listings. It facilitates local transactions and connections through a simple, text-based interface.

Transpose was a versatile workspace designed for individuals and teams, combining elements of note-taking, project management, CRM, and data organization into a single, flexible platform. It empowered users to structure information and collaborate efficiently.

Sunbird was a standalone calendar application and also a Firefox extension developed by Mozilla, designed for managing events, tasks, and calendar synchronization. It aimed to provide a free and open-source solution for personal and professional scheduling needs.

Evolution is a comprehensive personal information manager for the GNOME desktop environment, designed to manage emails, contacts, calendars, and tasks. It provides a unified interface for various communication and organizational needs.

Joe's Goals is an intuitive and easy-to-use online platform designed to help individuals track and achieve their goals and build positive habits. It offers a simple yet effective way to monitor progress, stay motivated, and build accountability for personal growth.

aCalendar is a feature-rich calendar and task management application designed for users who need robust synchronization, detailed event management, and a user-friendly interface.

FCorp My Calendar is a lightweight and portable personal information manager designed for organizing your daily life. It helps you manage your diary entries, notes, schedules, birthdays, and to-do lists efficiently, all within a simple and user-friendly interface.

OX Open-Xchange is a comprehensive web-based suite designed for communication, collaboration, and office productivity, offering features like email, calendaring, task management, and document sharing, seamlessly integrating across devices.