GanttProject is a free, open‑source desktop application for creating Gantt charts, managing tasks, and tracking project progress. The list below presents 20 self‑hosted (on‑premise) project‑management solutions that can replace or complement GanttProject, offering richer scheduling, resource planning, collaboration, and reporting capabilities.
Get targeted exposure with custom position pinning and highlighted placement.
Open‑source, web‑based PM suite with Gantt charts, work packages, agile boards, time tracking and wiki. Fully self‑hosted.
Free, open‑source desktop alternative to Microsoft Project with Gantt, WBS, resource breakdown and cost tracking.
Ruby on Rails based issue tracker and project manager; supports Gantt, calendars, time logging and plugins for agile.
Modular ERP with a robust project app – Gantt view, task dependencies, timesheets and integration with accounting.
Open‑source agile platform offering Scrum/Kanban boards, backlog, and a Gantt view via the Milestones plugin.
Lightweight, self‑hosted Kanban board with optional Gantt chart plugin, drag‑and‑drop tasks and automation.
Enterprise‑grade ALM platform supporting Scrum, Kanban, classic Gantt, document management and CI/CD integration.
All‑in‑one open‑source solution for Scrum, Kanban and Waterfall; includes Gantt, bug tracking and test case management.
Feature‑rich open‑source PM tool with Gantt, resource planning, risk management and multi‑project dashboards.
Web‑based collaborative planning tool focused on resource allocation, Gantt charts and multi‑project views.
Command‑line based project planner and scheduler; generates Gantt charts, critical path analysis and resource leveling.
Commercial on‑premise suite for project planning, resource management and portfolio analysis with interactive Gantt.
Enterprise‑grade on‑premise project and portfolio management platform tightly integrated with Office 365.
Industry‑standard on‑premise solution for large‑scale project scheduling, resource leveling and risk analysis.
Self‑hosted agile work management platform; Gantt charts available via add‑ons (e.g., BigPicture, Structure).
Windows desktop application for creating Gantt charts, resource histograms and project reports; works offline.
On‑premise project portfolio management suite with Gantt, resource planning, budgeting and KPI dashboards.
Enterprise project & portfolio management software that can be deployed on‑premise; includes interactive Gantt and resource leveling.
Self‑hosted Redmine‑based collaboration platform with Gantt, wiki, time tracking and agile boards.
Self‑hosted project management and collaboration tool offering Gantt charts, task dependencies, time tracking and invoicing.