Can I open-source Amazing Marvin?
YES · mature open-source replacementYes. Focalboard (26k stars), Super Productivity (21k stars), Planka (10k stars) are mature open-source replacements for Amazing Marvin — self-host in one command and stop paying $8/mo.
People still pay for Amazing Marvin because task software is sticky because trust, speed, and ubiquitous capture matter more than the database schema. The recurring cost buys recurrence edge cases, notifications, sync conflicts, calendar APIs, mobile capture, and backups, not just the visible interface.
xvery deep strategy library, cross-platform sync, and years of workflow experimentation
xperfect mobile sync
xcalendar and email integrations
xshared workspaces
xbehavioral coaching polish
These projects already replace it, free.
SSuper ProductivityA local task manager with timeboxing, Pomodoro, and no account begging to be createdopen source↗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↗What each one is, in full: Focalboard · Planka
all 4 open-source alternatives to Amazing Marvin →· no votes, no pay-to-list · just what's real
Amazing Marvin pricing
| plan | monthly | annual (per mo) | what you get |
|---|---|---|---|
| marvin pro | — | $8/user | 1 user; 100+ features; unlimited tasks and projects. |
free tierno free tier
billingmonthly + annual (-33% advertised); exact monthly dollar amount not independently exposed
verified 2026-08-14 · source ↗
Can I open-source Amazing Marvin?
Yes. Super Productivity replaces Amazing Marvin today — self-host it on your own server or machine with no subscription. The full list of open-source alternatives is on this page.
How much does Amazing Marvin cost?
Amazing Marvin costs about $8/month (Marvin Pro, checked 2026-08-14), which is $96 per year. That's what you save by replacing it with open source.
What do I lose by replacing Amazing Marvin?
Honestly: very deep strategy library, cross-platform sync, and years of workflow experimentation; perfect mobile sync; calendar and email integrations; shared workspaces; behavioral coaching polish. If any of those are load-bearing for you, keep paying.
Is there an open-source alternative to Amazing Marvin?
Yes: Super Productivity (A local task manager with timeboxing, Pomodoro, and no account begging to be created) 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.) All 4 curated open-source alternatives are at caniopensourceit.online/amazing-marvin/alternatives.