Merlin Project is a macOS‑focused project planning tool. Below is a curated list of 20 self‑hosted (on‑premise) project‑management solutions that can run on Windows, Linux or macOS servers and provide Gantt charts, resource planning, task tracking and collaboration features similar to Merlin Project.
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 strong permission controls.
Flexible Ruby on Rails based issue tracker and project manager offering Gantt, calendars, wiki, and role‑based access.
Free desktop alternative to Microsoft Project with Gantt, WBS, resource breakdown and cost tracking; runs on Windows, macOS and Linux.
Lightweight Java desktop app for creating Gantt charts, managing resources and exporting to PDF/CSV/PNG.
Cross‑platform desktop and server solution offering Gantt, resource allocation, risk management and multi‑project views.
Industry‑grade, on‑premise PPM tool for large‑scale, resource‑intensive projects with advanced scheduling and analytics.
On‑premise server extension for Microsoft Project offering centralized portfolio, resource pool, reporting and workflow automation.
Enterprise‑grade on‑premise PPM platform with Gantt, resource management, budgeting, and portfolio dashboards.
Self‑hosted agile project management suite with Scrum/Kanban boards, roadmaps, and extensive plugin ecosystem.
Open‑source agile platform supporting Scrum, Kanban, backlog management and sprint planning; can be self‑hosted on‑premise.
Simple, self‑hosted Kanban board with drag‑and‑drop tasks, analytics, and plugins for Gantt and time tracking.
Open‑source project management system combining roadmaps, Gantt, issue tracking and time‑sheet features.
Self‑hosted Trello‑like Kanban board with real‑time collaboration, card comments, and optional Gantt extensions.
Enterprise‑grade open‑source ALM and project management platform offering Scrum, Kanban, Gantt, and document management.
All‑in‑one open‑source agile management suite covering Scrum, Kanban, backlog, test case management and Gantt.
Modular ERP with a self‑hosted project app featuring tasks, timesheets, Gantt view and integration with accounting and CRM.
Open‑source web‑based project management tool with Gantt charts, milestones, resource planning and document sharing.
Command‑line based project planning tool for complex schedules, resource leveling and critical path analysis.
Web‑based open‑source PPM solution offering multi‑project planning, Gantt, resource allocation and cost tracking.
Self‑hosted project management and collaboration platform with milestones, Gantt, file sharing and time tracking.