Can I open-source Knack?
YES · mature open-source replacementYes. NocoDB (64k stars), Budibase (28k stars), NocoBase (24k stars) are mature open-source replacements for Knack — self-host in one command and stop paying $59/mo.
People still pay for Knack because teams pay when a flexible database becomes a shared operational system with integrations and years of accumulated business logic. The recurring cost buys schema changes, formulas, permissions, imports, attachments, views, APIs, concurrency, backups, and migrations, not just the visible interface.
xmanaged hosting, schema builder, permissions, integrations, and support
xreal-time multiplayer
xautomation and integration breadth
xscale and formula depth
xenterprise permissions
These projects already replace it, free.
BBudibaseInternal apps, forms, automations, and portals in one box; much closer to Knack than its developer branding suggests.open source↗NNocoBaseA database-backed app builder with pages, forms, roles, workflows, and enough plugins to become your next maintenance hobby.open source↗RREI3A sober business-app builder with forms, reports, roles, workflows, and no per-user meter.open source↗What each one is, in full: Budibase
all 7 open-source alternatives to Knack →· no votes, no pay-to-list · just what's real
Knack pricing
| plan | monthly | annual (per mo) | what you get |
|---|---|---|---|
| starter | $59/workspace | $49/workspace | 20,000 records; 3 apps; 2 GB storage; 25 AI credits; 500 Flows transactions; 1,000 API calls/day; 1 shared builder. |
| pro | $130/workspace | $110/workspace | 50,000 records; unlimited apps; 10 GB storage; 1-month history; 50 AI credits; 2,000 Flows transactions; 5,000 API calls/day. |
| corporate | $300/workspace | $250/workspace | Starts with 125,000 records and scales to 2.5 million; 50 GB storage; 2-month history; 100 AI credits; 5,000 Flows transactions; 10,000 API calls/day. |
| enterprise | custom | — | 2.5 million+ records; 3-month logs; custom storage, API and usage limits. |
free tierno permanent free tier; free trial offered with no card, but the live pricing page does not state its duration
billingmonthly month-to-month + annual; annual rates are about 17% lower and billed for the year
hidden costsRecord/storage add-ons cost $42/month for 15,000 records + 5 GB on Pro (maximum 2) or $90/month for 40,000 records + 20 GB on Corporate (maximum 2); Pro SSO is $55/month; paid plans can auto-add Flows capacity at unpublished prices; each app user consumes a database record.
verified 2026-08-11 · source ↗
Can I open-source Knack?
Yes. Budibase replaces Knack 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 Knack cost?
Knack costs about $59/month (Starter, checked 2026-07-31), which is $708 per year. That's what you save by replacing it with open source.
What do I lose by replacing Knack?
Honestly: managed hosting, schema builder, permissions, integrations, and support; real-time multiplayer; automation and integration breadth; scale and formula depth; enterprise permissions. If any of those are load-bearing for you, keep paying.
Is there an open-source alternative to Knack?
Yes: Budibase (Internal apps, forms, automations, and portals in one box; much closer to Knack than its developer branding suggests.) NocoBase (A database-backed app builder with pages, forms, roles, workflows, and enough plugins to become your next maintenance hobby.) REI3 (A sober business-app builder with forms, reports, roles, workflows, and no per-user meter.) All 7 curated open-source alternatives are at caniopensourceit.online/knack/alternatives.