ToolScoutWhat If Your Project Management Tool Disappeared Tomorrow?
It is not a hypothetical question. When Atlassian ended its Server product line, thousands of organizations scrambled to migrate their Jira data to either Atlassian Cloud or a different platform entirely. Some lost custom workflows. Others faced six-figure migration bills. All of them learned the same lesson: when you depend on proprietary software, you are one pricing change away from chaos.
Open source project management tools eliminate that risk. You host the software, you own the data, and no vendor can pull the rug out from under you. The trade-off is setup time and maintenance responsibility. In 2026, the best open source project management tools have narrowed the feature gap with commercial alternatives considerably. Here are the five worth evaluating.
Looking for commercial options as well? Our best project management software for small business roundup covers the full market, and our best free project management software guide highlights free tiers from both open source and SaaS tools.
Plane
Plane is the tool most likely to make teams forget they are using an open source product. Inspired by Linear’s design philosophy, it combines clean aesthetics with keyboard-driven speed in a way that traditional open source tools rarely achieve.
Key Features
Plane provides issue tracking with multiple view types: list, kanban board, spreadsheet, Gantt chart, and calendar. Cycles function as sprints with burndown charts and progress tracking. Modules group issues into epics or feature sets. Pages offer built-in wiki functionality with real-time collaborative editing linked directly to issues.
GitHub and GitLab integrations connect commits, branches, and pull requests to issues automatically. The Inbox feature lets external users submit bug reports and feature requests that your team can triage before they become tracked issues.
Best For
Engineering and product teams that want a modern, fast interface without paying Jira’s $8.15 per user per month or Linear’s $8 per user per month. The self-hosted Community Edition supports unlimited users and projects at no cost.
Where It Falls Short
No native time tracking means you still need Toggl or Clockify. Integrations beyond GitHub, GitLab, and Slack require custom API work. Automation rules are basic compared to Jira’s workflow engine, and reporting is limited to cycle-level burndown charts.
Pricing
Self-hosted is free with unlimited users. Cloud plans start at $7 per user per month.
Pros
- Clean, Linear-inspired interface with keyboard shortcuts, quick actions, and smooth animations that makes issue tracking feel fast rather than bureaucratic like Jira
- Self-hosted Community Edition is free with unlimited users and projects, eliminating Jira's $8.15/user/mo Standard pricing for teams that can manage their own infrastructure
- Cycles (sprints) and Modules (epics) provide structured project management with burndown charts and progress tracking without requiring separate Agile plugin configuration
- Multiple view types — list, board, spreadsheet, Gantt chart, and calendar — let different team members work in their preferred layout from the same data
- Pages feature provides a built-in wiki with real-time collaboration for specs, meeting notes, and documentation linked directly to issues
Cons
- No native time tracking — teams using Plane still need Toggl, Clockify, or a similar tool to log hours against issues
- Integrations are limited to GitHub, GitLab, and Slack currently; tools like Figma, Confluence, or TestRail require API-based custom work
- Automation rules are basic compared to Jira's powerful workflow engine — no custom triggers, conditional transitions, or scripted automation (ScriptRunner equivalent)
- Reporting is limited to cycle-level burndown charts and basic analytics; lacks the custom JQL-style queries and cross-project portfolio dashboards that Jira Advanced offers
OpenProject
OpenProject is the heavyweight of open source project management, particularly strong in classical project management methodologies. It is used by organizations including Siemens and the European Commission, which gives it credibility in enterprise and government environments.
Key Features
OpenProject supports both agile (boards, backlogs, sprints) and waterfall (Gantt charts, work breakdown structures, baseline comparisons) methodologies. The Gantt chart is genuinely powerful, with dependency tracking, critical path analysis, and manual scheduling that rivals Microsoft Project.
Time tracking is built in with hourly rates, cost tracking, and budget management. Meeting management lets you schedule meetings, create agendas, and track minutes directly within the platform. BIM (Building Information Modeling) support makes it one of the few project management tools with features for construction and engineering industries.
Best For
Organizations that need formal project management with Gantt charts, baselines, budgets, and time tracking. Government agencies and enterprises that require self-hosted deployment for compliance reasons.
Where It Falls Short
The interface feels utilitarian compared to Plane or Linear. Setup requires Ruby on Rails knowledge, and the installation process is more involved than Docker-based alternatives. The Community Edition limits some features like boards, two-factor authentication, and custom actions to paid plans.
Pricing
Community Edition is free and open source. Enterprise plans start at EUR 5.95 per user per month.
Taiga
Taiga earns its place on this list by being the open source tool that best understands agile teams. Built specifically for Scrum and Kanban workflows, it avoids the bloat of trying to be everything to everyone.
Key Features
Taiga provides a Scrum module with product backlogs, sprint planning, sprint backlogs, and taskboards. The Kanban module offers customizable boards with work-in-progress limits. Epics span multiple user stories and projects, giving product managers a higher-level view of feature delivery.
The interface is visually distinctive with colorful, card-based designs that make sprint boards easy to scan at a glance. A built-in wiki provides project documentation, and each project includes its own issues section separate from user stories for tracking bugs and support requests.
Best For
Scrum teams that want a dedicated agile tool without the overhead of Jira. Taiga’s Scrum module is more opinionated and focused than what you find in general-purpose tools.
Where It Falls Short
No Gantt charts or waterfall support, which limits Taiga to agile teams only. Time tracking requires third-party integration. The project has had periods of slower development, which can make potential adopters nervous about long-term commitment.
Pricing
Self-hosted is free and open source. Taiga Cloud starts at $5 per user per month.
Leantime
Leantime approaches project management from a different angle than most tools on this list. Rather than optimizing for developer workflows, it focuses on strategic project management with visual goal setting, idea boards, and milestone tracking.
Key Features
Leantime provides a unique strategy-first approach. You start with goals and milestones, then break them down into projects, tasks, and subtasks. The Ideas board uses a Lean Canvas format for brainstorming and prioritizing new initiatives.
Kanban boards, to-do lists, and calendar views handle day-to-day task management. Time tracking is built in with timesheets and reporting. The tool also includes a simple retrospective module for team reflection after sprints.
Best For
Non-technical teams, startups, and small businesses that want project management framed around strategy and goals rather than developer-centric sprint mechanics. Teams where not everyone is an engineer will find Leantime more approachable than Plane or Taiga.
Where It Falls Short
Less suitable for large engineering teams that need deep GitHub integration, custom workflows, or advanced agile metrics. The feature set is narrower than OpenProject, and the community is smaller than the other tools on this list.
Pricing
Self-hosted is free and open source. Leantime Cloud starts at $8 per user per month.
WeKan
WeKan is the simplest tool on this list – and that is its strength. If your team just needs a self-hosted Trello alternative with kanban boards and nothing else, WeKan delivers exactly that.
Key Features
WeKan provides kanban boards with lists, cards, labels, checklists, due dates, and member assignments. Cards support attachments, comments, and activity history. Swimlanes allow you to categorize cards horizontally across the board for different workstreams or teams.
LDAP, OAuth2, and OIDC authentication support makes it easy to integrate into existing enterprise identity systems. The REST API enables custom integrations with other tools.
Best For
Teams that love Trello’s simplicity but want self-hosted control. WeKan is ideal when you need visual task management without the complexity of full project management suites.
Where It Falls Short
WeKan is a kanban board and nothing more. No Gantt charts, no sprints, no time tracking, no reporting beyond what the board itself shows. If your needs grow beyond visual task management, you will outgrow WeKan.
Pricing
Completely free and open source. No paid tiers.
Comparison at a Glance
| Feature | Plane | OpenProject | Taiga | Leantime | WeKan |
|---|---|---|---|---|---|
| Kanban boards | Yes | Yes | Yes | Yes | Yes |
| Gantt charts | Yes | Yes | No | No | No |
| Sprint management | Yes (Cycles) | Yes | Yes | No | No |
| Time tracking | No | Yes | No | Yes | No |
| Built-in wiki | Yes (Pages) | Yes | Yes | No | No |
| GitHub integration | Yes | Yes | No | No | No |
| Minimum server resources | 2GB RAM | 4GB RAM | 2GB RAM | 1GB RAM | 512MB RAM |
How to Choose
- Modern developer teams: Plane gives you the closest experience to Linear or Jira without per-seat costs.
- Enterprise or government: OpenProject provides the compliance features, Gantt charts, and formal project management structure these organizations need.
- Pure agile/Scrum teams: Taiga’s focused Scrum module is more opinionated and streamlined than general-purpose alternatives.
- Strategy-focused teams: Leantime frames work around goals and milestones rather than tickets, which suits non-technical teams.
- Simple kanban only: WeKan does one thing and does it well. If all you need is boards, start here.
For teams weighing open source against commercial tools, our Jira vs Linear comparison covers the leading paid alternatives.
Frequently Asked Questions
Can open source project management tools replace Jira?
For most small and mid-sized teams, yes. Plane and OpenProject cover the core functionality that 80% of Jira users actually need: issue tracking, boards, sprints, and basic reporting. Large enterprises using Jira’s advanced features like Automation for Jira, Tempo Timesheets, or ScriptRunner will find the open source alternatives less capable.
Which open source project management tool is easiest to set up?
WeKan and Plane both offer simple Docker Compose deployments that can be running in under 15 minutes. OpenProject has the most complex setup due to its Ruby on Rails stack and larger resource requirements.
Do these tools integrate with GitHub and GitLab?
Plane has native GitHub and GitLab integration. OpenProject supports GitHub integration through a plugin. Taiga, Leantime, and WeKan require webhook-based or API custom integrations for version control connectivity.
Are open source project management tools suitable for non-technical teams?
Leantime and WeKan are the most accessible for non-technical users. Plane is designed primarily for engineering teams. OpenProject suits formal project managers. Taiga is best for teams already practicing Scrum.