SOGo is described as 'Is groupware server with a focus on scalability and open standards' and is a webmail provider in the office & productivity category. There are more than 50 alternatives to SOGo for a variety of platforms, including Web-based, Self-Hosted, Windows, Linux and Mac apps. The best SOGo alternative is Roundcube, which is both free and Open Source. Other great apps like SOGo are Mailpile, Wrike, monday.com and Baïkal.
The OX App Suite by Open-Xchange is web-based platform offering a suite of apps like an email client, calendar, contacts magement, cloud storage with synchronization and productivity apps for word processing, spreadsheets and presentations.
GQueues is the premier task manager for Google and G Suite users. GQueues tracks millions of tasks for people, companies and organizations worldwide. Designed with a focus on simplicity, GQueues stays out of your way so you can get things done.
5pm is a web based project management application with a smart customizable interface. Email integration, iCalendar and RSS feeds, Timeline view and Reports are just a few features to mention. Free trial (no credit card required) is available.
taskblitz offers a wide range of features to support your business to be successful. Like other solutions out there taskblitz enables you to be efficient in your business from a deal to invoice without switching apps and various individual solution
Apollo is project and contact management done right. Using Apollo, you will realise that it's built to help you get things done, quickly and efficiently.
Aha! is cloud-based software to set your product strategy based on market dynamics. Track imperatives through releases and features.
Goal-Oriented tool that helps manage your Projects from Idea to Result Set Goals, Build Mind Maps, Assign Tasks, Collaborate - All in a single Project Management Platform.
Mavenlink gives your team a cloud-based solution for managing the entire project delivery lifecycle. Complete projects, track time, plan resources, and monitor financial performance — all in a single, user-friendly software.
This alternative is disputed. LibrePlan is a legitimate SOGo alternative, but it might have issues that some users think are important.
Task management solution featuring kanban and calendar views, real-time collaboration through messaging and file sharing, native time tracking, analytics, project templates, workflow automation, dashboards, Gantt charts, seamless tool integration, and offline mobile access.
Manage and deliver projects by documenting and prioritising requirements, collaborate with your team, create gantt charts and calendars, UML and network diagrams, documents and excel style sheets, and a lot more, all from within one platform.
Web-based team collaboration suite combining email client, calendar, contact and task tools, CRM, project and file management, file sharing, trouble tickets, Rocket.Chat chat, and Collabora online editing. Offers open source, self-hosted, and SaaS options.
Not a CardDAv/CalDAV/Groupware server software, but a service
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SOGo is for calendar, email, and contact, not project management.