The best open source alternative to Microsoft Project is ProjectLibre. If that doesn't suit you, our users have ranked more than 100 alternatives to Microsoft Project and many of them is open source so hopefully you can find a suitable replacement. Other interesting open source alternatives to Microsoft Project are Redmine, Kan.bn, Taiga.io and OpenProject.
ProjectLibre is a Java-based project management solution that gives Microsoft Project a run for its money. Offering a UI similar enough to ease the transition from Microsoft's market leader, ProjectLibre packs in calendars, resource tracking, task management, and...
Redmine is a flexible project management web application. Written using Ruby on Rails framework, it is cross-platform and cross-database.
France
EU
Open source kanban platform offering team collaboration, workspace members, board visibility controls, Trello import, card labelling, detailed activity logs, commenting, and self-hosting options, plus upcoming board templates and third-party integrations.
United Kingdom
Agile project management platform with visual Kanban and Scrum boards, issue and ticket tracking, customizable workflows, dashboard/reporting, time tracking, multilingual support, free and premium SaaS, Open Source, and integrations for team collaboration.
SpainEU
Open source software that enhances team collaboration and productivity through features like Gantt charts, issue tracking, Scrum support, and document management. Supports classic, agile, or hybrid management styles while ensuring robust data protection and flexible task assignment.
GermanyEU
United States
Kanboard is a free and open source Kanban project management software.
Canada
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?
SlovakiaEU
Interactive tool transforming Markdown-like text into cascading timelines. Supports date styles, images, links, offers multiple views like calendar, map, Gantt, and timeline, with features for editing, tagging, and real-time updates, for seamless personal or professional use.
United States
Open source alternative supporting project management, issue and task tracking, custom workflows, Kanban, list, calendar views, analytics, imports, secure encryption, Slack and GitHub integrations, Agile and Waterfall frameworks, and advanced customization.
United States
Worklog is a local-first desktop project manager for small development teams. It is built for fast, keyboard-first planning with a Kanban workflow and zero cloud dependency for core usage.
Morocco
Self-hosted agile platform enabling humans and AI agents to collaborate as equals on a unified real-time Scrumban board, manage projects, sprints, and stories with in-app AI chat, plugin extensions, BDD tools, sandbox security, and privacy-focused design.
