Best Open-Source Trello Alternatives in 2026

Which open-source Trello alternative should you choose?

Choose Wekan or Planka when your main need is an open, self-hosted board that resembles Trello. Choose Vikunja when you want lists and Kanban alongside task and calendar-style planning. Consider Plane when work-item structure, cycles, and product-team workflows matter more than a one-to-one Trello clone. For larger process needs, evaluate OpenProject or Taiga, but expect a different operating model and more administration.

The license matters as much as the feature list. Wekan’s repository includes an MIT license, which is permissive. Vikunja identifies its open-source version as AGPLv3, a network-copyleft license. Plane’s pricing page advertises self-hosting and a cloud service; verify the specific codebase components, license terms, and feature boundaries for the release you plan to operate. Do not infer the license of a whole product from a marketing phrase or one repository file.

What does “open source” guarantee—and what does it not?

A license grants defined rights to use, inspect, modify, and redistribute software. It does not promise hosted support, a long-term release cadence, a security response time, a migration service, or that every feature from a commercial plan is included in the community edition.

For each candidate, verify four things:

1. Repository and license: Is the exact server and client code you will deploy covered by MIT, AGPL, GPL, or another license? Are there separate components or enterprise add-ons?
2. Source availability: Is source code available for the version you run, and can you build it using documented dependencies?
3. Hosted-service terms: Is the vendor’s cloud product the same edition? Hosting a product and offering it as a service can have different obligations under some licenses.
4. Support commitment: Does “community support” mean a forum with no response guarantee, or is paid support available with a stated SLA?

MIT generally allows broad reuse with a notice and warranty disclaimer. AGPLv3 permits use and modification but includes source-disclosure obligations when a modified program is made available to users over a network; consult the license text and qualified counsel for your deployment scenario. Neither label means “no obligations.” A company modifying a tool or offering it to customers should have its legal and engineering teams review the actual license and notices.

Open code also does not guarantee that the project is actively maintained. Review recent releases, open security advisories, maintainer activity, dependency updates, and the process for reporting vulnerabilities. A mature product with a clear release history may be a safer operational choice than a feature-rich project with unclear ownership.

How were the tools evaluated?

We compared the options on Kanban parity, data portability, license clarity, hosting choices, support path, administration burden, and cost at realistic team sizes. The baseline is a Trello board with members, lists, cards, due dates, labels, comments, attachments, checklists, and basic automation. A candidate that only reproduces columns and cards may still be the right answer, but it should not be described as feature-equivalent for a team using advanced views or Power-Ups.

We also separate three cost figures: software license, hosted infrastructure, and total cost of ownership (TCO). TCO includes backup storage, monitoring, upgrades, security work, incident response, and staff time. A no-cost download can be more expensive than hosted software if no one owns the server.

The comparison is a shortlist, not a security audit or hands-on benchmark of every release. Check each vendor’s current documentation, license, pricing, and release notes before using the product for regulated or business-critical work. Open-source projects evolve quickly, and a pricing or feature page can change after this review.

How do the leading alternatives compare?

The table distinguishes license, operating fit, and published cloud price signal. Cloud prices do not include self-hosting infrastructure. For Plane, the current pricing page shows Free at $0, Pro at $8 per user/month monthly or $6 annually, and Business at $15 monthly or $13 annually; confirm whether those exact features are available in the self-hosted edition you intend to run.

A product may be open-source in one edition and sell a commercial hosted service. That is a normal business model, but understand what the paid plan buys: hosting, backups, support, governance, or features not present in the community build. Be precise when describing the entire product as “open source.”

Which option is closest to Trello’s Kanban workflow?

Wekan and Planka are natural first tests if your team wants boards, columns, cards, labels, and a self-hosted deployment. Their advantage is low conceptual distance: users can recognize the workflow without learning sprints, epics, or project portfolios. This can make migration easier for teams that use Trello as a shared visual queue.

Parity should be tested as a task-by-task checklist, not guessed from screenshots. Create a board with five lists, 30 cards, custom labels, two members, due dates, checklists, comments, and attachments. Test card movement on mobile, search, notifications, board visibility, and whether archived items can be restored. Then compare the behavior with the Trello setup your team actually uses.

Trello’s flexibility often comes from Power-Ups, automations, and conventions. A self-hosted board may match the core card workflow but not every Power-Up, external connector, calendar view, or reporting feature. Record what will be replaced by a simple procedure and what is a blocker. For example, a team may accept manual weekly reporting but require reliable attachment download and audit history.

Example: a 9-person operations team uses 4 boards, 6 lists per board, and about 25 new cards weekly. If everyone understands the board within one training session, a Trello-like tool can reduce training effort. But if managers need a cross-project capacity view, they may end up exporting data to a spreadsheet. The apparent simplicity can shift work rather than eliminate it.

When is Vikunja a better fit than a Trello clone?

Vikunja is worth testing when work spans more than a board: users may want lists, filters, reminders, task relationships, recurring tasks, and multiple views. Its official pricing page says the open-source software can be self-hosted free and identifies AGPLv3; the hosted service charges for managed infrastructure. That division makes the choice explicit: spend money for operations handled by the provider, or assign those tasks internally.

The hosted pricing page currently lists Personal at €4 monthly or €40 yearly, Family at €10 monthly or €99 yearly for up to five users, and Organization at €5 per user monthly or €50 yearly. It also describes self-hosting as free and cautions that the operator handles server maintenance, updates, and backups. Prices are listed in euros; taxes and country-specific details may apply. Verify the current price and trial conditions directly before buying.

Vikunja’s import support includes Trello according to the vendor’s pricing page. Still, test your own export: check card descriptions, labels, due dates, checklists, attachments, users, and archived cards. Import tools can change, and data formats vary. Keep the original export untouched so the migration is reversible.

The trade-off is that a broad task tool may not reproduce Trello’s exact board habits, while its additional views and relationships can help teams grow out of board-only tracking. A small group managing personal tasks could prefer the hosted plan; a company with technical staff and a clear data-control requirement may prefer self-hosting. Confirm that your desired admin and audit features are part of the edition you select; the pricing page lists Vikunja Pro features for self-hosted instances separately from Cloud.

What does Plane add, and is it still Kanban-first?

Plane is more appropriate when the team wants work items, cycles, modules, layouts, and project pages, rather than simply cloning Trello. The official pricing page describes self-hosted deployment and data ownership, plus a free cloud plan capped at 12 users. It currently lists Pro at $8 per user/month monthly or $6 annually, and Business at $15 monthly or $13 annually. Those cloud prices should not be treated as a quote for hosting Plane yourself.

A product team can use cycles to timebox work, modules to group delivery, and multiple layouts to view a backlog. That is a useful step up from a card board when teams coordinate releases. It can also feel like unnecessary vocabulary if the only job is “move incoming requests from New to Done.” Test whether users naturally adopt the structure before imposing it.

Before deployment, inspect the current self-hosting documentation, hardware requirements, supported upgrade route, and license for the release and components you will run. The vendor advertises self-hosting, but a feature in the cloud comparison table is not automatically proof that the same feature exists in every self-hosted edition. Verify authentication, backups, SSO, integration availability, and support terms against your exact plan.

A small software team with 12 users could begin on Plane’s listed free cloud plan and compare it with a self-host test. For 20 users, the listed annual Pro price gives a simple cloud estimate of 20 × $6 × 12 = $1,440 per year before taxes. If self-hosting saves that amount but requires 4 engineering hours a month at a loaded $60/hour, labor alone is 4 × 12 × $60 = $2,880 annually. The no-subscription option is not automatically lower TCO.

How much does self-hosting really cost?

Calculate infrastructure and labor separately. A small virtual machine, database storage, backups, monitoring, outbound email, and domain/TLS setup all contribute. The right size depends on users, attachments, traffic, retention, and availability; do not treat a sample server size as a production recommendation.

Use this transparent example for a 10-person team:

These are planning assumptions, not quoted market prices. If an outage takes 6 hours to diagnose once a year and the team values lost work at $300/hour, expected incident impact adds another $1,800 for that scenario. Conversely, existing infrastructure and staff capacity could reduce incremental cost. A provider’s paid cloud plan may be more economical when it includes backups, updates, TLS, and support.

Infrastructure requirements include more than CPU and memory. Decide how database volumes persist, how secrets are stored, how backups are encrypted, who can access the host, how updates are tested, and how restores are rehearsed. If your organization cannot answer those questions, use managed hosting or pause the self-hosting decision until an owner is assigned.

Do not count “we already have a server” as zero cost. It still uses capacity, monitoring, incident response, and potentially a security review. The team must also patch the operating system, application, dependencies, and database. Budget for an exit plan: export data in a portable format and test restoration into a clean environment.

What do AGPL and MIT mean for a business deployment?

The practical distinction is that licenses impose different conditions on redistribution, modification, and network use. MIT is permissive and generally allows broad use with preservation of the notice and disclaimer. AGPLv3 has copyleft requirements that can apply when a modified version is made available to users over a network. The exact result depends on how the software is used and modified; this is not legal advice.

For Wekan, the repository license page presents the MIT License. For Vikunja, the official pricing page states AGPLv3 for the self-hosted open-source version. This gives the reader a verifiable starting point, but a procurement review should inspect the license file for the pinned version and any separately licensed modules. Product names do not substitute for license review.

A company that only installs an unmodified internal tool still needs to preserve notices and comply with applicable terms. A company that modifies an AGPL program or provides it as a service should ask counsel to review source-availability obligations. If the deployment is customer-facing or embedded in a commercial offering, do this before architecture choices are locked in.

Also separate license risk from operational risk. A permissive license does not ensure a vendor will maintain a project; a copyleft license does not make a project unsafe. Consider maintainer continuity, security response, dependency health, and the availability of qualified administrators. The best license is the one your organization understands and can comply with.

What support and maintenance should you expect?

Community support usually means documentation, discussion forums, issue trackers, or chat—not a guaranteed response time. Before choosing a community edition for business-critical work, find out whether the project has a security contact, how releases are announced, how long older versions are supported, and whether paid support exists.

Make a release plan. Pin a tested version, subscribe to security notices, review release notes, test updates in staging, and keep a rollback path. Updates may include database migrations that are difficult to reverse. An unattended “latest” container can be convenient for a hobby project but is not a safe production upgrade process by itself.

For a 15-person team, a quarterly maintenance window of 2 hours plus 30 minutes per month for review is 7 hours per quarter, or 28 hours per year. At $55 per hour, that planned labor is $1,540 annually before incident work. A hosted plan can be worth more than the cost of the VM if the provider demonstrably handles backups, patching, and support in a way that fits your requirements.

When a vendor advertises support, ask what is included: response targets, business hours, escalation, security fixes, upgrade help, and migration assistance. A community forum can be excellent, but it should not be confused with an SLA. If you need a contractual recovery objective, get it in writing.

How should you migrate from Trello without losing board context?

Start with a representative board, not your largest board. Export it using Trello’s available data export, then identify which fields matter. A migration spreadsheet should map board, list, card name, description, members, due dates, labels, checklist items, comments, attachments, and archive state to the destination. Some destinations may not support every field or relation.

Run a sample of at least 20 cards, including edge cases: a card with multiple labels, an attachment, a checklist, a comment thread, a moved due date, an archived card, and an unassigned item. Compare the source and destination side by side. If an attachment is represented as a link, verify that it can be opened by the intended user after migration.

Plan permission mapping before import. Trello members, guests, board visibility, and workspace-level access may not map one-for-one. Create destination accounts and groups first, then review private boards with owners. Do not temporarily make private boards public to simplify migration.

Use a cutover checklist: freeze card creation in the old board, export, import, validate, announce the new URL, and keep Trello read-only for a defined period. A 7-day parallel period can help users find omissions, but do not permit two systems to remain authoritative. Name one person to reconcile corrections and set a firm retirement date.

Which teams should avoid self-hosting?

Self-hosting is a poor fit when nobody owns patching, the organization needs guaranteed support but has no contract, or the project handles sensitive data without a security review. It is also risky when the only administrator is a contractor whose engagement is ending, or when backups have never been restored in a test.

A hosted service is often better for a small company that wants to focus on delivery. Paying €5 per user/month for a managed organization plan, for example, costs €600 a year for 10 users at the current listed annual rate (10 × €50); compare that with your internal labor and resilience requirements. The value is not just uptime—it is the provider’s responsibility for routine operations, within the plan’s stated limits.

Self-hosting can be right when data residency, internal infrastructure, customization, or control is a real requirement and the organization has the skills to operate it. It can also work for an individual or homelab where downtime has a low impact. Match the deployment method to the consequence of failure, not to a general belief that “our data is safer if it is on our own server.”

How can you choose by use case?

• A solo user or household: Vikunja Cloud may be simpler than operating a server; compare its Personal or Family plan with the cost of your time. A self-hosted setup makes sense only if maintenance is part of the hobby or requirement.
• A small team that loves boards: Pilot Wekan or Planka for familiar Kanban and control. Confirm mobile usability, notifications, attachments, backup restoration, and admin ownership.
• A software team with a backlog: Plane or Taiga may match cycles, sprints, and product workflows better than a Trello clone. Confirm that the process concepts help users rather than add ceremony.
• A business with formal projects: Evaluate OpenProject and paid support options. Broader planning can be valuable, but setup, training, and ongoing administration are part of the decision.
• A team that wants no server work: Use a managed cloud plan, whether from an open-source vendor or a proprietary provider. “Open source” and “self-hosted” are independent choices; you can often choose the code or the operations model separately.

Doitify is a commercial project and team management platform with Kanban, task hierarchies, calendars, Gantt charts, reports, documents, and team collaboration. It may be relevant to readers whose underlying need has outgrown a simple board, but it is not an open-source Trello substitute. Doitify is our product; compare it transparently with the open-source options and verify current pricing and hosting requirements rather than treating it as a like-for-like license choice.

What mistakes should you avoid?

Do not select a tool based solely on the word “free.” Check whether the free tier is hosted, capped by seats, missing backups, or limited to community support. Also check whether commercial features are in a separate edition.

Do not assume a Trello importer preserves every Power-Up or attachment. Export and validate before closing the old account. Keep a copy of the export outside the destination system.

Do not expose a self-hosted instance directly to the internet before setting up TLS, authentication, backups, updates, and monitoring. A task board can contain customer names, hiring discussions, or security incident details even if it does not look like a sensitive system.

Do not run upgrades in production without a tested recovery plan. Backups that have never been restored are only assumptions. Test a restore into a separate environment and record how long it takes.

Finally, do not overbuild the process. A team that needs a shared visual queue may not benefit from a full project suite. Choose the smallest workflow that meets requirements, but make sure it can export data and survive administrator turnover.

What should you verify before choosing?

• Is the exact server version under MIT, AGPLv3, or another license, and have legal reviewers checked the use case?
• Does the destination support the lists, cards, checklists, labels, comments, attachments, and permissions you actually use?
• Can you export your data in a format you can read without the vendor’s service?
• Who patches the application, database, host, and dependencies, and how quickly are security updates applied?
• What are backup frequency, retention, encryption, restore testing, and recovery objectives?
• What is the full annual TCO including labor, monitoring, storage, and support?
• Is community help sufficient, or do you require a paid SLA and escalation path?
• Does the mobile and notification experience work for users who rarely open a desktop browser?

Conclusion

The best open-source Trello alternatives are not interchangeable. Wekan and Planka are the logical first trials for familiar self-hosted boards; Vikunja adds broader task planning with a clearly stated AGPLv3 core and managed plans; Plane, Taiga, or OpenProject suit teams that need more structured work management. Trello itself may remain the simplest hosted option if self-hosting is not a requirement.

Before migrating, check the actual license, edition boundaries, support model, and Trello import fidelity. Put a real annual TCO next to the subscription price, including staff time and recovery work. Then pilot a representative board and restore a backup. If the team wants ownership and can operate the service, self-hosting can be a strong choice; if it wants dependable boards without infrastructure duty, managed hosting is often the more economical decision.

If this post on open-source Trello alternatives was helpful, you might also enjoy How to Prevent Resource Overallocation (Step-by-Step Guide) and How to Handle Changing Project Requirements.