ActiveCollab is a cloud‑first project management suite offering task tracking, time‑sheeting, and collaboration tools. Below is a curated list of self‑hosted, on‑premise solutions that can replace ActiveCollab for teams that need full control over their data and infrastructure.
Get targeted exposure with custom position pinning and highlighted placement.
Feature‑rich open‑source PM platform with Gantt charts, roadmaps, agile boards, time‑tracking and document management.
Flexible Ruby on Rails based issue tracker supporting multiple projects, wikis, forums, and time logging.
Agile‑focused open‑source tool with Scrum/Kanban boards, backlog management, and sprint analytics.
Simple Kanban board system with drag‑and‑drop tasks, analytics, and extensive plugin ecosystem.
Trello‑like open‑source Kanban board that can be self‑hosted, offering cards, lists, and real‑time collaboration.
Modern open‑source project management suite combining roadmaps, task boards, time tracking, and idea management.
Comprehensive suite for code review, task tracking, wikis, and CI/CD, all self‑hosted.
Enterprise‑grade ALM platform supporting Scrum, Kanban, document management, and test case tracking.
Modular ERP with a robust project app—Gantt, timesheets, milestones, and integration with accounting and CRM.
All‑in‑one self‑hosted suite offering project, CRM, and document management with Gantt charts and time logs.
Open‑source desktop alternative to Microsoft Project with Gantt, resource breakdown, and critical path analysis.
DevOps platform that includes issue boards, milestones, time tracking, and CI/CD—all on‑premise.
Lightweight self‑hosted Git service with built‑in issue tracker, project boards, and time‑tracking extensions.
Open‑source test‑driven project management tool covering Scrum, Kanban, bug tracking, and test case management.
Highly configurable PHP‑based project and task manager with custom fields, workflows, and Gantt view.
Free ERP suite with a project management module offering tasks, timesheets, and billing.
Web‑based collaborative planning tool focused on resource allocation, Gantt charts, and multi‑project views.
Powerful command‑line project planning tool that generates Gantt charts, resource reports, and critical path analysis.