Microsoft Project is still the reference point for "real" project scheduling — critical path, resource leveling, portfolio rollups. It's also priced and packaged like enterprise software: cloud plans start at $10 per user per month, and the features most teams actually want sit two tiers up. If you're looking for a free Microsoft Project alternative because the licensing math stopped making sense for your team size, Comuna gives you Gantt, Kanban, Table and Calendar in the browser, free forever, plus an AI coworker Project doesn't have.
Here's the honest version — what Project actually costs in 2026, where it still wins, and where a free alternative like Comuna fits better.
What does Microsoft Project actually cost in 2026?
More than the marketing page suggests at first glance. Project comes in three cloud subscription tiers, billed annually: Plan 1 at $10/user/month covers the browser-based Timeline (Gantt) view, task dependencies and backlogs — but not the desktop app. Plan 3 at $30/user/month adds the actual Project desktop client, roadmaps, baselines and resource requests. Plan 5 at $55/user/month is the portfolio-management tier, with demand management and enterprise resourcing. If you'd rather buy outright, perpetual desktop licenses run $679.99 for Project Standard 2024 and $1,129.99 for Project Professional 2024, per user, per machine — and that's before anyone else on the team needs a seat to even view the plan.
Microsoft is also mid-migration: Project Online retires on September 30, 2026, with "Project for the web" folding into Microsoft Planner. Worth knowing before you commit to a plan that's being reshuffled under you — if you're evaluating Project fresh in late 2026, you're buying into a product whose entry-level cloud tier is actively being rebuilt around Planner, not the mature desktop app most "how does Project work" guides still describe.
Where does Microsoft Project still win?
In the places that made it the industry standard. Its critical-path scheduling engine handles resource leveling, multiple baselines, and cost variance across genuinely large, multi-year programs — the kind of portfolio math a construction firm or a PMO running fifty concurrent projects actually needs. If your team has a certified PMP running the schedule and your projects involve shared resources across dozens of workstreams, Project's depth is earned, not bloat.
It also has three decades of institutional knowledge behind it: training material, certified consultants, and a file format (.mpp) that every enterprise PM tool can at least attempt to read. That ecosystem is real, and Comuna doesn't have an equivalent yet — plan on rebuilding a Project file by hand rather than importing it directly. If procurement already trusts Microsoft, and your organization's real constraint is a resource pool shared across a dozen active projects, that institutional weight is a legitimate reason to stay, not just inertia.
What do other "free Microsoft Project alternatives" actually give you?
Most roundups for this exact search point to the same handful of names, and it's worth being precise about what each one actually is. ProjectLibre and GanttProject are genuinely free and open source — and both are single-user desktop applications. There's no real-time collaboration built in; you save a file and send it around, the same workflow Project itself uses without the license fee. OpenProject's free community edition is self-hosted, which means no seat cost but a server you're now responsible for running and updating. None of that is dishonest, exactly, but "free" quietly means three different things across those three tools, and the listicles rarely spell out which one you're getting.
Comuna is a full project management tool, running in the browser, with real-time sync between everyone on the board — Kanban, Table, Calendar and Gantt (with critical-path highlighting built in), plus chat, notes and wiki, all at the free tier, no server to maintain and nothing that only opens in a single desktop session.
What does Comuna add that a feature checklist doesn't?
The AI coworker. Connect Claude or ChatGPT once — OAuth, no API key, about a minute — and your existing subscription becomes a member of the board, not a summary panel bolted onto the schedule. It creates and moves cards, updates status, writes notes and comments, and every action carries its own name in the activity feed, never folded into an anonymous "system" log. When it hits something that needs your judgment — reassigning a task, marking an ambiguous milestone done — it opens a small approval request instead of guessing; you approve, request changes, or discard.
Project's closest equivalent is Copilot in Planner, still in preview and bundled only into the $30/seat Plan 3. Comuna's AI coworker is included free, and it's a board member with a badge and a history, not a chat assistant answering questions about your schedule. Worth being precise about the mechanism, too: it's pull, not push — the AI acts when you or a scheduled prompt trigger it, not something running unattended around the clock.
Is Comuna a strictly better free Microsoft Project alternative?
No, and it's worth saying plainly. If your team runs multi-year programs with shared resource pools across dozens of projects, needs formal baseline-vs-actual variance reporting, or already has a certified PM running the schedule in the desktop client, Project's depth is doing real work that Comuna doesn't replicate today. Comuna also has no direct .mpp import — moving a complex existing plan over means rebuilding dependencies and dates by hand, not a one-click migration. And Comuna's third-party integration catalog is smaller than Microsoft's own 365 ecosystem; check integrations before committing if a specific connector matters to your stack.
The clearer fit: a small or mid-size team that wants Gantt with critical-path visibility, without buying a $30/seat plan or installing desktop software, and is already paying for Claude or ChatGPT and wants that subscription doing real work on the board instead of just answering questions about it. See the full feature list for the specifics, or free forever for exactly what "no paywall" means here.
How do the free options actually compare?
- Format — ProjectLibre / GanttProject: single-user desktop app. OpenProject Community: self-hosted server. Comuna: browser, real-time, nothing to install or host.
- Collaboration — ProjectLibre / GanttProject: none built in, share the file manually. OpenProject: yes, once you've set up hosting. Comuna: real-time sync for the whole team, included.
- Views — The open-source desktop tools: Gantt only. Comuna: Kanban, Table, Calendar, Gantt (critical path included), Diagrams and Canvas.
- AI — Microsoft: Copilot in Planner, preview, Plan 3 ($30/seat) and up. Comuna: connect your own Claude or ChatGPT subscription, no extra charge, as a real board member.
- Cost at 10 users — Project Plan 1: $100/month. Project Plan 3: $300/month. Comuna: $0.
Also worth reading: an Airtable alternative built for project management and a free Smartsheet alternative that isn't a spreadsheet if Gantt isn't your only requirement.
Is there a free Microsoft Project alternative with real-time collaboration?
Yes — Comuna syncs changes to everyone on the board in real time, in the browser, for free. Most free Project alternatives (ProjectLibre, GanttProject) are single-user desktop apps without built-in collaboration.
Does a free alternative include critical path in the Gantt view?
Comuna does — toggle critical-path highlighting directly in its Gantt view at no extra cost. In Microsoft Project, that scheduling depth is part of what you're paying for.
Can I import a Microsoft Project (.mpp) file into Comuna?
Not directly today. There's no one-click .mpp import, so moving an existing plan over means recreating tasks, dates and dependencies by hand — worth knowing before you commit to switching mid-project.
Can my AI actually update the schedule, or just answer questions about it?
It does the work. Connected via MCP, Claude or ChatGPT creates, moves and completes cards on the board — including Gantt dates — writes notes and comments with its own identity, and escalates anything that needs your judgment instead of guessing. That's a different contract than asking a chatbot to summarize a plan you still have to edit yourself.
Comuna is free forever — no credit card, bring your own AI. Spin up a workspace and try it.