One tree for everything. Shared with anyone, free.
Stirpa is the task manager power users wished OmniFocus could be: the same strict GTD core and infinite hand-ordered outliner, with a built-in AI copilot — free, and shareable with anyone.
Free forever for personal use & collaboration
The idea
OmniFocus, finally free — and built to share
Stirpa takes everything power users love about OmniFocus — the strict GTD core, the hand-ordered outliner — and adds the two things it never had.
Everything you expect
Defer & due, contexts and tags, sequential & parallel projects, review and saved perspectives — the GTD core, done right.
The two things it never had
It’s free forever, and you can share anything with anyone — no seats, no per-person fees.
Every task lives once in a hand-ordered tree and in any number of saved perspectives — it exists once, lives in many views, and is never copied.
Three worlds in one product
Infinite outliner
An endlessly nested, drag-ordered tree à la Workflowy. Order carries meaning.
Strict GTD core
Defer / due, contexts & tags, sequential / parallel projects, review, inbox and saved perspectives.
AI copilot
Natural language and voice via ⌘K turn into structured tasks. AI decides when to remind you.
Bring in your whole team — and every client — for free
Send anyone a magic link and they see exactly what you shared — no signup, no install, no account. You never pay to add a person, so you never think twice about sharing.
- Recipients can comment and mark done — right away
- The link carries a capability scope: one task, a subtree, or a whole project
- When they finish, the “ball” returns to your Waiting-for perspective
- Share can be revoked any time
Free vs paid
The core is free. You pay for intelligence and integrations.
Core & collaboration
- Infinite outliner (tree + drag order)
- Projects, built-in perspectives, defer/due, tags, lists
- GTD core (sequential/parallel, review, inbox)
- Sharing via magic link
- Collaboration with anyone — no seats, no limits
- MCP server — connect AI tools (e.g. Costlocker)
AI, integrations & enterprise
- AI triage — smart sorting of tasks + reminders
- Email capture — tasks from incoming mail
- Custom perspectives (like OmniFocus Pro)
- 3rd-party integrations
- Enterprise — advanced roles & permissions, project management
Priced per account, never per collaborator.
Everyone else charges per seat. We don’t.
OmniFocus, Asana, Linear, Todoist, ClickUp, Freelo, Caflou — they all charge for every person you add. Stirpa never does. Invite your whole team and every client, and pay only for AI and integrations if you want them.
One tree. Everyone you work with. No seats.
OmniFocus-grade GTD, free — and shareable with anyone. Collaboration is free forever; you only pay for AI and integrations.