Can I open-source Sunsama?
YES · mature open-source replacementYes. Cal.com (37k stars), Super Productivity (21k stars), Vikunja (5k stars) are mature open-source replacements for Sunsama — self-host with docker and stop paying $22/mo.
They pay for a planning habit that survives across tools, not a new to-do list.
xintegration breadth
xcalendar two-way sync
xdaily ritual design
xmobile apps
xanalytics
xreliability
These projects already replace it, free.
SSuper ProductivityA local task planner with timeboxes, focus mode and its own stopwatch; less glossy, less interested in your wallet.open source↗CCal.comOpen scheduling infrastructure with booking pages, round-robin, routing forms, and app integrationsopen source↗VVikunjaSelf-hosted to-do and task management with lists, gantt, and kanban viewsopen source↗What each one is, in full: Cal.com · Vikunja
all 3 open-source alternatives to Sunsama →· no votes, no pay-to-list · just what's real
Sunsama pricing
| plan | monthly | annual (per mo) | what you get |
|---|---|---|---|
| pro | $22/user | $17/user | 1 user; daily planning, task/calendar integrations, and analytics; no numeric task cap published. |
| enterprise | custom | — | Custom seats, security, invoicing, and support. |
free tierno free tier
billingmonthly + annual; 14-day trial with no card; Enterprise custom
hidden costsEvery teammate added to a workspace is placed on the subscription and billed on a prorated basis.
verified 2026-08-14 · source ↗
Can I open-source Sunsama?
Yes. Super Productivity replaces Sunsama 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 Sunsama cost?
Sunsama costs about $22/month (Pro, checked 2026-08-14), which is $264 per year. That's what you save by replacing it with open source.
What do I lose by replacing Sunsama?
Honestly: integration breadth; calendar two-way sync; daily ritual design; mobile apps; analytics; reliability. If any of those are load-bearing for you, keep paying.
Is there an open-source alternative to Sunsama?
Yes: Super Productivity (A local task planner with timeboxes, focus mode and its own stopwatch; less glossy, less interested in your wallet.) Cal.com (Open scheduling infrastructure with booking pages, round-robin, routing forms, and app integrations) Vikunja (Self-hosted to-do and task management with lists, gantt, and kanban views) All 3 curated open-source alternatives are at caniopensourceit.online/sunsama/alternatives.