Can I open-source Retool?
YES · mature open-source replacementYes. NocoDB (64k stars), Appsmith (37k stars), ToolJet (36k stars) are mature open-source replacements for Retool — self-host in one command and stop paying $15/mo.
People still pay for Retool because the builder is only useful when its runtime, connectors, permissions, and deployments remain boring for years. The recurring cost buys schema migration, auth, permissions, connector drift, queues, deployments, backups, and auditability, not just the visible interface.
xconnectors, component library, permissions, workflows, and hosted runtime
xhundreds of connectors
xpixel-perfect app design
xmobile app-store builds
xenterprise permissions and scale
These projects already replace it, free.
AAppsmithDrag-and-drop internal tool builder that connects to any database or API.open source↗TToolJetBuild admin panels and dashboards visually with 50+ integrations and a JS escape hatch.open source↗BBudibaseInternal apps, forms, automations, and portals in one box; much closer to Knack than its developer branding suggests.open source↗What each one is, in full: Appsmith · ToolJet · Budibase
all 5 open-source alternatives to Retool →· no votes, no pay-to-list · just what's real
Retool pricing
| plan | monthly | annual (per mo) | what you get |
|---|---|---|---|
| free | $0/user | $0/user | Up to 5 users; 500 workflow runs/month; 5 GB storage; 20 agent hours; 250 AI credits |
| team, builder | — | $10/user | Builder seat; 5,000 workflow runs/month per organization; 1,000 pooled AI credits after introductory bonus |
| team, internal user | — | $5/user | Internal end-user seat; shares the organization's workflow and AI allowances |
| business, builder | — | $50/user | Builder seat; 5,000 workflow runs/month; 3,000 pooled AI credits; advanced permissions and environments |
| business, internal user | — | $15/user | Internal end-user seat; business controls |
| enterprise | custom | — | Custom builder/internal/external users, support, security and deployment terms |
free tier5 total users; 500 workflow runs/month; 5 GB storage; 20 agent hours; 250 AI credits
billingmonthly + annual; published self-serve figures are role-based per user
hidden costsBuilder and internal-user seats have different rates; extra workflow capacity costs $75 per 5,000 runs, AI credits are pooled and reset without rollover, Agents are metered separately, and external-user pricing changes after the included band
verified 2026-08-14 · source ↗
Can I open-source Retool?
Yes. Appsmith replaces Retool 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 Retool cost?
Retool costs about $15/month (Team, checked 2026-07-31), which is $180 per year. That's what you save by replacing it with open source.
What do I lose by replacing Retool?
Honestly: connectors, component library, permissions, workflows, and hosted runtime; hundreds of connectors; pixel-perfect app design; mobile app-store builds; enterprise permissions and scale. If any of those are load-bearing for you, keep paying.
Is there an open-source alternative to Retool?
Yes: Appsmith (Drag-and-drop internal tool builder that connects to any database or API.) ToolJet (Build admin panels and dashboards visually with 50+ integrations and a JS escape hatch.) Budibase (Internal apps, forms, automations, and portals in one box; much closer to Knack than its developer branding suggests.) All 5 curated open-source alternatives are at caniopensourceit.online/retool/alternatives.