The Best Self-Hosted Project Management Tools in 2026

Every "best self-hosted project management tools" listicle makes the same mistake: it treats "self-hosted" as a single feature you either have or don't, then ranks tools on everything except what self-hosting actually costs you. Some of these tools are free forever and genuinely full-featured. Some are free and missing the scheduling engine a PMO needs. At least one commonly recommended "self-hosted" option isn't a team tool at all, it's a desktop application for one person.

The comparison worth having isn't "which tool is free." (For the SaaS side of that question, see how the free project management tools compare on seats, storage and Gantt access.) It's which tool matches your team's scheduling complexity, and whether you have the infrastructure discipline to actually run it.

TL;DR. OpenProject Community is the strongest free-forever option for classical PM depth (Gantt, work packages, time tracking) with no user limit. Plane Community Edition is genuinely open source (AGPL v3.0) with a modern UI, but has no scheduling engine, no critical path, no resource pool. Redmine and Taiga are mature but dated, better for lightweight issue tracking than PMO-grade scheduling. ProjectLibre is not a self-hosted team tool at all; it's a single-user desktop app. Onplana is not a self-hosted tool. It is the managed alternative: Onplana Enterprise+ is a dedicated deployment that Onplana sets up and runs in your own Azure subscription, at the cost of a paid tier the open-source options don't have.

Why "Self-Hosted" Doesn't Mean One Thing

Self-hosted project management spans a genuinely wide range of what you actually get. On one end: free, open-source, community-maintained tools with no license cost and a support model of "read the docs and ask the forum." On the other: paid self-hosted deployments of commercial products, where you get vendor support and feature parity with the SaaS version, but pay for the license the same way you would for SaaS, just with the deployment on your own infrastructure instead of the vendor's.

Neither end is wrong. The mistake is comparing them on price alone, since "free" and "paid, self-hosted" are solving different procurement problems. Free and open source suits teams with the engineering capacity to run and patch the software themselves and modest scheduling requirements. Paid self-hosted suits teams that need vendor support, a defined upgrade cadence, and feature depth that community projects generally don't build (enterprise resource pools, stage-gate governance, native binary file import), while still needing the deployment to run on infrastructure they control.

OpenProject: The Classical Choice, Free at Community Tier

OpenProject is the most PM-native of the open-source options. The Community edition, free forever with no user limit, ships built-in Gantt charts and timelines, work packages (OpenProject's task unit), Scrum and Kanban boards, time tracking with basic reports, and a per-project wiki with real-time collaborative editing. For a team that wants classical PM structure, tasks broken into a hierarchy, dates, dependencies, and a Gantt view, without paying for it, OpenProject Community covers real ground.

The gaps show up at the enterprise end. Two-factor authentication, LDAP/Active Directory sync, advanced Gantt features, custom fields, a resource-focused team planner, and professional support are reserved for OpenProject's paid Enterprise tiers, which start around €5.95 per user per month with a 25-user minimum and step up to €15.95 for the Premium tier at 100-user minimum. A small team can run Community indefinitely. A regulated enterprise that needs SSO and audit-grade access control will end up paying for Enterprise, at which point OpenProject stops being free and starts being a normal enterprise software purchase, just one you host yourself.

What OpenProject doesn't add at any tier is an enterprise resource pool in the sense a PMO running 40 projects with 80 shared resources needs it: MaxUnits, cost rates, and a centralized register that multiple projects draw from concurrently to produce cross-portfolio utilization. Its team planner (Enterprise tier) shows per-person assignment within a project, which covers small-team capacity awareness but not portfolio-wide resource contention. For PMOs whose evaluation criteria center on resource management depth rather than Gantt visualization, that is the gap worth testing directly before committing.

Plane: Modern UI, AGPL License, Issue-Tracking Depth

Plane's Community Edition is a different kind of open source: fully AGPL v3.0 licensed, no license key requirement, full source available for audit and modification. It deploys via Docker Compose, Kubernetes with Helm, or fully air-gapped, and installation runs under 20 minutes on modest hardware (4GB RAM minimum, 8GB recommended). The Community Edition has feature parity with Plane Cloud's free tier: unlimited projects, work items, cycles, modules, pages, dashboards, and a REST API with webhooks, no user limit.

What Plane's data model does not include, in Community Edition or any paid tier, is a scheduling engine. Plane is built around issues moving through cycles and modules, the same data shape as Jira or Linear, not a task network with dependency types and float. There is no critical path calculation, no start-to-start or finish-to-finish dependency modeling with lag values, and no enterprise resource pool. For a software engineering team that wants a genuinely open-source, self-hosted alternative to Jira, Plane is a strong, modern option. For a PMO running resource-loaded schedules, Plane's architecture does not model the problem, regardless of which tier you're on.

Redmine and the Lightweight Tier: Taiga and Focalboard

Redmine has been self-hosted since 2006 and remains a mature, battle-tested choice for teams that prioritize stability and a large plugin ecosystem (over 200 community plugins) over interface polish. It includes issue tracking with custom fields and workflows, Git/Subversion/Mercurial repository integration, per-project wikis and forums, time tracking, and role-based access control, all genuinely self-hosted and free. The honest tradeoff: the interface is dated by 2026 standards, and Gantt and calendar views exist but are bare-bones compared to OpenProject's. Teams with strong technical staff who prioritize customization through plugins over UI polish still get real value from Redmine; teams expecting a modern experience will find the learning curve steep and adoption slow.

Taiga and Focalboard round out the lightweight self-hosted tier. Taiga is free to self-host and purpose-built for agile teams: Kanban and Scrum-style boards, sprint cycles, and a user-story backlog. Focalboard, now maintained by Mattermost, is a Trello-style board tool (Kanban, table, gallery, and calendar views) that can run standalone or embed inside Mattermost channels. Both are solid at what they do, board-based work tracking for small teams, and neither attempts schedule-driven project management with dependencies or resource pools.

Does Free and Open Source Mean Feature Parity With Paid SaaS?

No, and this is the gap most self-hosted listicles skip. "Free and open source" describes the license, not the feature depth. OpenProject Community, Plane CE, Redmine, Taiga, and Focalboard are all genuinely free with no catch on the core edition, but each one draws a real line between what the free self-hosted tier includes and what a comparable paid SaaS product ships. OpenProject Community lacks SSO and advanced Gantt. Plane CE lacks any scheduling engine at all. Redmine lacks native agile boards and modern reporting without plugins.

This is not a criticism of open-source maintainers, who are shipping real software for free. It is a caution against the framing that "self-hosted" and "full-featured" are the same claim. A team evaluating self-hosted options should ask two separate questions: does the free tier's feature set match what my team actually needs today, and if it doesn't, what does the paid tier of that same tool cost once it does. For teams where the answer to the second question lands near what a commercial self-hosted product costs anyway, evaluating a paid self-hosted platform with vendor support from day one, rather than growing into one later, is often the more honest comparison.

The AI question follows the same pattern. Every self-hosted tool in this comparison ships AI features, if it ships them at all, as an add-on layered on top of an issue or task list: a summarization button, a text-generation assist, a search improvement. None of the open-source self-hosted options run AI that reads a dependency graph, calculates float, or generates a resource-loaded plan from a brief, because none of them have the underlying scheduling data model an AI would need to read. Onplana, which is not self-hosted (see below), does read the dependency graph, and its Enterprise+ plan includes unlimited AI. For regulated buyers evaluating AI-assisted PM specifically, ask every vendor where AI requests are processed and what project data they send, not just which AI features are on the list.

One recommendation worth flagging directly: ProjectLibre shows up on nearly every "free self-hosted PM tools" list, and it does not belong there. ProjectLibre Desktop is a single-user application installed on one computer: no server, no multi-user collaboration, no web access, no cloud sync. It is a capable free Microsoft Project file editor for an individual planner. It is not a team project management platform, self-hosted or otherwise, and treating it as a self-hosted contender sets up a bad evaluation from the start.

Self-Hosted Project Management Tools Compared

What Self-Hosting Actually Costs You in Time

The dimension every free-tool comparison undersells is operational overhead, and it applies almost identically regardless of which tool you pick. Someone on your team owns upgrade management: pulling new images, running database migrations, and validating in staging before production. Someone owns backup and disaster recovery: the database backup schedule, object storage replication, and a tested recovery runbook, none of which the open-source project ships for you. Someone owns monitoring: container health, database performance, and application-level alerting wired into whatever observability stack your organization already runs. And when something breaks at 2 a.m., your infrastructure team is the first (and often only) responder; community-maintained tools have no support SLA to call.

For a small deployment on Docker Compose, realistic ongoing maintenance runs two to four hours a week. At Kubernetes scale with high-availability requirements, that becomes a part-time or dedicated infrastructure responsibility. This holds whether you're running OpenProject, Plane, or a paid self-hosted commercial product; the license cost is separate from the operations cost, and the operations cost doesn't go away just because the software was free.

Which Self-Hosted Tool Fits Your Team?

Pick based on what your team's scheduling actually looks like, not on which tool has the most GitHub stars.

Software engineering teams managing issues and sprints: Plane Community Edition. Genuinely open source, modern interface, no scheduling engine because your work doesn't need one.

Teams wanting classical PM structure (Gantt, dependencies, work packages) at zero license cost: OpenProject Community. The most complete free self-hosted option for schedule-shaped work, with a clear upgrade path to Enterprise if you outgrow it. How it compares with the desktop and cloud tools that are also free forever is in the free Microsoft Project alternative shortlist.

Technical teams that value plugin extensibility and stability over UI polish: Redmine. Two decades of production use and a large plugin ecosystem, at the cost of a dated interface.

Searching for a Self-Hosted Onplana?

Onplana does not ship a self-installed edition, so it is not on this list. Enterprise+ includes a dedicated deployment instead: Onplana sets up and runs a private copy of Onplana in your own Azure subscription, so your data stays in your environment. It is priced per deal, and there is nothing for your team to install or run. How an Enterprise+ dedicated deployment works explains the model, and pricing and the security overview cover the plans and the controls.

If you want software your own team installs and runs, the tools above are the answer.

Before committing to any of these, confirm your organization actually has the requirement that justifies self-hosting in the first place, a data-residency regulation, an air-gapped network, or a contractual data-control clause, rather than a general preference.

Microsoft Project Online retired on September 30, 2026, which pushed a wave of PMOs to evaluate deployment models for the first time in a decade.

Microsoft Project Online™ is a trademark of Microsoft Corporation. Onplana is not affiliated with Microsoft.