SOGo Alternatives for Windows

Wrike is a comprehensive online project management platform designed for teams of all sizes, offering robust tools for task management, collaboration, reporting, and workflow automation. It provides visibility and control to streamline projects from planning to completion.

Mailpile is a free and open-source webmail client designed with privacy and encryption as core principles. It offers a self-hostable solution for managing your email with built-in support for PGP encryption and other security features, providing an alternative to traditional webmail services.

Open Atrium is a powerful open-source collaboration and project management platform built on Drupal. It provides a modular framework to create customized intranets, team sites, and project workspaces, facilitating communication, document sharing, task management, and more within organizations.

Baïkal is a lightweight and easy-to-use CalDAV and CardDAV server, providing a simple way to sync your calendars and contacts across various devices and applications. Built upon the robust sabre/dav library, it offers a straightforward administrative interface for seamless management of users and data.

Mavenlink is a comprehensive professional services automation and project management platform designed to streamline operations for service-based businesses. It unifies projects, resources, finances, and team collaboration into a single, intelligent system. Mavenlink empowers teams to deliver projects on time and budget while maximizing profitability and client satisfaction.

dapulse, now known as monday.com, is a powerful work operating system designed to manage projects, teams, and workflow efficiently. It provides a visual and intuitive platform to plan, track, and collaborate on various tasks and initiatives, bringing all team members and information into a centralized hub.

Microsoft Exchange Server is a robust mail and calendaring server designed for businesses of all sizes, providing enterprise-grade email, calendaring, and contact management capabilities.

taskblitz is a comprehensive suite of tools designed for collaborative work management, integrating project management, time tracking, invoicing, and communication into a single platform for teams and businesses.

Hive is a comprehensive productivity platform designed for modern teams, offering a suite of powerful project management, collaboration, and automation tools. It helps teams streamline workflows, manage tasks, track time, and communicate effectively, all within a centralized workspace. Hive aims to increase productivity and transparency across organizations of all sizes.