The best open source alternative to OrgBusiness Gantt Chart is Redmine. If that doesn't suit you, our users have ranked more than 100 alternatives to OrgBusiness Gantt Chart and 14 is open source so hopefully you can find a suitable replacement. Other interesting open source alternatives to OrgBusiness Gantt Chart are Focalboard, GanttProject, Rachota and LibrePlan.
Redmine is a flexible project management web application. Written using Ruby on Rails framework, it is cross-platform and cross-database.
GanttProject is a cross-platform desktop tool for project scheduling and management. It runs on Windows, Linux and MacOSX, it is free and its code is opensource. What can it do?
Rachota is a portable application for timetracking different projects. It runs everywhere. It displays time data in diagram form, creates customized HTML reports or analyses measured data and suggests hints to improve user's time usage.
Planner is the GNOME project management tool licensed under the GPLv2.
Adaptive suite integrating project, IT service, and source code management for technology teams, featuring time tracking, issue and document management, customizable dashboards, third-party integration, agile and waterfall support, and cloud deployment options.
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 Time Tracking
...and its free!
Plan your projects, see your schedule, know if youre slipping behind and why.
Time.
ProjeQtOr (formely Project'Or RIA) is an open source Project Management Software, gathering in a single tool every functionality needed to organize your projects.
ZenTao is an open source project management tool, supporting Scrum. It integrates product management, project management, bug management and QA management, etc., covering all lifecycle of software development.
Calligra Plan (formerly KPlato) is a project management application. It is intended for managing moderately large projects with multiple resources.
Open Workbench is an open source Windows-based desktop application that provides robust project scheduling and management functionality and is free to distribute throughout the enterprise. When users need to move beyond desktop scheduling to a workgroup, division or...
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