Alternatives to Open Atrium for all platforms with any license

Redmine

Redmine is a flexible project management web application. Written using Ruby on Rails framework, it is cross-platform and cross-database. It integrates with a number...

Free Open Source Web MySQL Community Edition Self-Hosted MariaDB Ruby ... Microsoft SQL Server Cloudron Ruby on Rails PostgreSQL
Built-in File Manager Extensible by Plugins/Extensions Gantt-charts Multiple languages ... VCS integration Wiki-like interface Add a feature

334 Like
ONLYOFFICE

ONLYOFFICE is an opensource office and productivity suite that enables you to manage documents, projects, team and customer relations in one place. ONLYOFFICE is...

Freemium $ $ $ Open Source Mac Windows Linux Web Android ... iPhone Android Tablet iPad Self-Hosted
Compatible with Microsoft Office Multiple languages Works Offline Real time collaboration ... White-labeled Add a feature

230 Like
Basecamp

Basecamp is a web-based project collaboration tool that allows groups of people to share files, meet deadlines, assign tasks, and centralize feedback.

Commercial $ $ $ Mac Windows Web Android iPhone ... iPad
Content Templates Gantt-charts Sync with Google Calendar iCal integration ... Support for @mentions Message board Outlook integration Real time collaboration Responsive design Social feed Team discussion To do lists Visual Organization Add a feature

191 Like
Microsoft Project

Microsoft Office Project gives you robust project management tools with the right blend of usability, power, and flexibility, so you can manage projects more efficiently...

Commercial Windows Web
Gantt-charts Real time collaboration Resource monitoring Resource scheduling ... Team Collaboration Version and Source control Add a feature

58 Like
fluxday

Opensource task & productivity management tool for startups, engineered based on the concepts of OKR. In fluxday, you can start by creating the departments of...

Free Open Source Web MySQL Community Edition Self-Hosted MariaDB Ruby
No features added Add a feature

69 Like
Redbooth

Redbooth (formerly Teambox), the cloud-based company redefining collaboration and business communications. Easily organize teams and projects to ensure visibility and...

Freemium $ $ $ Web Android iPhone iPad
Box.com integration Calendar view Dropbox integration Evernote integration ... Gantt-charts Google Drive integration Kanban boards Okta integration Onedrive integration OneLogin integration Real time collaboration Slack integration Add a feature

86 Like
Teamwork Projects

Online Productivity & Project Management Software that will help maximize team performance by increasing collaboration and streamlining vital processes. .

Commercial Web Android iPhone Android Tablet iPad ... Chrome
Gantt-charts Activity history Box.com integration Google Chrome extension ... Custom templates Dropbox integration Electronic invoicing File Tagging File Versioning Google Drive integration MarkDown support Onedrive integration Open API Real time collaboration Real-time tracking Apps for Sharing Files SSL encryption Subtasks Team Collaboration Time-lapse Add a feature

43 Like
ActiveCollab

ActiveCollab is project management software that helps managers and creative professionals plan projects and stay on top of deadlines.

Commercial $ $ $ Mac Windows Linux Web Android ... iPhone Self-Hosted
Electronic invoicing Gantt-charts Kanban boards Real time collaboration ... Team Collaboration Add a feature

35 Like
Podio

Podio is an online work platform. Combining hundreds of specialized and flexible work apps with messaging, tasks, reporting, workflow and contact management, Podio lets...

Freemium Web Android iPhone
Applicant Tracking System (ATS) Real time collaboration Add a feature

41 Like
Wimi

Wimi is the ultimate productivity tool. It integrates all the essential applications to facilitate teamwork. Wimi saves time to managers and entrepreneurs working with...

Commercial Windows Web Android iPhone Android Tablet ... iPad
File-sync Real time collaboration Sync Calendars Add a feature

27 Like
Microsoft SharePoint

Microsoft Office SharePoint Server is an integrated suite of server capabilities that can help improve organizational effectiveness by providing comprehensive content...

Commercial Windows Web Android iPhone Windows Phone
Real time collaboration Add a feature

23 Like
MOOVIA

The easiest way to collaborate on projects and ideas. MOOVIA is an enjoyable and secure social environment to host your team`s projects, tasks, meetings, ideas, messages...

Freemium Web
Real time collaboration Add a feature

54 Like
5pm

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...

Commercial Web
Gantt-charts Real time collaboration Add a feature

38 Like
SOGo

SOGo is groupware server with a focus on scalability and open standards. SOGo provides a rich AJAX-based Web interface and supports multiple native clients through...

Free Open Source Linux Web Thunderbird Cloudron
CalDAV CardDAV Add a feature

25 Like
ClockingIT

ClockingIT is a free hosted application, keeping track of all your tasks and the time you spend on them. Extensive features Project Management, Collaboration and ...

Free Open Source Web
Automatic time tracking Built-in File Manager Gantt-charts Multiple languages Add a feature

30 Like
- Discontinued Development stoped 5 years ago. App is still working and free.