Retool retool.comFree alternatives to Retool
Retool costs $15/mo on the Team plan, or $180 a year. Here are 4 free and open-source options, what each one does, and what you give up compared with paying.
01At a glance
| Alternative | Type | Where it runs | Works on |
|---|---|---|---|
| Appsmith Free | Free | Hosted for you | Web |
| Budibase | Open source | You host it | Web, Your server |
| Directus Self-Hosted | Free | You host it | Web, Your server |
| ToolJet Free | Free | Hosted for you | Web |
02Each alternative, in detail
Five people can build and run database-backed internal apps in the hosted product without paying.
Versus paying: Appsmith's hosted free product has a smaller connector, component, mobile, debugging, and production-observability surface than Retool.
Setup: Hosted signup for Appsmith Cloud Free
appsmith.com →Internal apps, forms, automations, and portals in one box; much closer to Knack than its developer branding suggests.
Versus paying: Budibase is faster for standard CRUD but gives up Retool's fine-grained UI composition, custom-code flexibility, connector breadth, and debugging tools.
Setup: Docker image or Docker Compose; Kubernetes is also supported
Watch for: Requires Docker and persistent storage; production use also means owning upgrades, TLS, backups, and database/network access
27,902 GitHub stars (checked Aug 6, 2026)
budibase.com →A polished data studio with tables, forms, dashboards, flows, and APIs; free only below its organization-size ceiling.
Versus paying: Directus is a polished data studio around a database, not a general arbitrary internal-app canvas, so bespoke multi-source tools require much more custom work.
Setup: Docker Compose with SQLite for a test install, or a supported SQL database and persistent file storage for production
Watch for: Requires Docker, a secret, persistent database/uploads, backups, TLS, and attention to Directus's non-OSI license and free-tier limits
directus.io →Two builders, 50 users, two apps, and the actual database and API connectors, not a screenshot-only trial.
Versus paying: ToolJet's component and connector ecosystem, debugging experience, mobile tooling, and production polish are less mature than Retool's.
Setup: Hosted signup for ToolJet Cloud Free
tooljet.ai →03Retool's own free plan
The same product is enough for one small team: five users, unlimited apps, every database and API connector, and role-aware actions.
04What you give up by leaving Retool
- connectors, component library, permissions, workflows, and hosted runtime
- hundreds of connectors
- pixel-perfect app design
- mobile app-store builds
- enterprise permissions and scale
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.
05Questions
Is there a free alternative to Retool?
Yes. This page compares 4: Appsmith Free, Budibase, Directus Self-Hosted and ToolJet Free. One of them is open source, so you can run it yourself.
How much does Retool cost?
$15/mo on the Team plan (annual-equivalent per user), which is $180 a year. Prices checked Aug 14, 2026.
What do you give up with a free alternative to Retool?
Most often: connectors, component library, permissions, workflows, and hosted runtime, hundreds of connectors, pixel-perfect app design and mobile app-store builds. Each alternative on this page lists its own gap under “Versus paying.”
Can AI build me my own version of Retool?
Half-bot. The core loop is buildable, but a dependable replacement becomes a real weekend or multi-day project. For Retool, build one internal CRUD tool over a trusted database with role-aware actions. The hard boundary is connectors, component library, permissions, workflows, and hosted runtime, plus connectors, runtime reliability, and governance.
Prices change; confirm on the vendor's site before you decide.
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