Can I open-source Slab?
KINDA · partial or early alternativesKinda. Vikunja and Planka cover the core of Slab, but they're early or partial — expect gaps like large integration catalog and mobile capture and notifications.
Slab: Teams pay because shared state, notifications, permissions, and migrations are harder than the visible board or list.
xlarge integration catalog
xmobile capture and notifications
xreal-time multiplayer
xenterprise permissions
These projects already replace it, free.
FFocalboardKanban and project boards, a Trello/Notion-boards alternative from Mattermostopen source↗PPlankaRealtime kanban board that feels exactly like Trello, on your own server.open source↗VVikunjaSelf-hosted to-do and task management with lists, gantt, and kanban viewsopen source↗What each one is, in full: Focalboard · Planka · Vikunja
no votes, no pay-to-list · just what's real
Slab pricing
| plan | monthly | annual (per mo) | what you get |
|---|---|---|---|
| free | $0/user | $0/user | Up to 10 users; 10 MB attachment limit; 90-day version history; 30-day analytics; 10 integrations. |
| startup | — | $6.67/user | Unlimited users; 3 guests/user; 25 MB attachments; 365-day history; 90-day analytics. |
| business | — | $12.50/user | 5 guests/user; 100 MB attachments; unlimited history; 365-day analytics; 3 premium integrations. |
| enterprise | custom | — | Minimum 100 users; unlimited guests; custom security, support, and terms. |
free tierUp to 10 users; 10 MB attachment limit; 90-day version history; 30-day analytics; 10 integrations.
billingmonthly + annual; exact monthly prices were not exposed by the live static page; Enterprise custom
hidden costsEvery user who can log in is billable, there is no free read-only seat; Enterprise has a 100-user minimum.
verified 2026-08-14 · source ↗
Can I open-source Slab?
Kinda. Focalboard covers the core of Slab, but there are real gaps: large integration catalog, mobile capture and notifications. Read the honest list above before committing.
How much does Slab cost?
Slab's pricing is usage-based or varies by plan · The official pricing URL is recorded, but a stable current amount was not safely recoverable in this pass. Do not publish a number until rechecked..
What do I lose by replacing Slab?
Honestly: large integration catalog; mobile capture and notifications; real-time multiplayer; enterprise permissions. If any of those are load-bearing for you, keep paying.
Is there an open-source alternative to Slab?
Yes: Focalboard (Kanban and project boards, a Trello/Notion-boards alternative from Mattermost) Planka (Realtime kanban board that feels exactly like Trello, on your own server.) Vikunja (Self-hosted to-do and task management with lists, gantt, and kanban views)