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Builder.io alternatives · App Builders

Self-hosted alternatives to Builder.io

The Builder.io listing does not say it can be self-hosted. 6 of the 89 other AI app builders in this directory can be self-hosted, according to their own sites.

Builder.io has a free plan. Paid plans start at $24 per user / month, billing basis not shown. All of them are free or have a free plan.

6 tools · Listings checked up to Nov 13, 2026 · Where the facts come from

How each one differs from Builder.io

  1. Retool

    Platform for building internal apps, workflows and AI agents

    • Retool starts at $10 per builder / month, billed annually (plus $5 per internal user). Builder.io starts at $24 per user / month, billing basis not shown.
    • Only Builder.io lists a browser extension.
    • Retool is self-hostable, according to its own site.
    • Retool also covers workflow automation and no-code.
    Retool pricing and details

  2. OutSystems

    Enterprise platform for building apps and AI agents

    • Only Builder.io lists a browser extension.
    • OutSystems is self-hostable, according to its own site.
    OutSystems pricing and details

  3. Appsmith

    Open-source low-code platform for internal apps

    • Appsmith starts at $15 per user / month. Builder.io starts at $24 per user / month, billing basis not shown.
    • Only Builder.io lists a browser extension.
    • Appsmith is open source and self-hostable, according to its own site.
    • Builder.io also covers AI agents.
    Appsmith pricing and details

  4. UI Bakery

    Low-code and AI builder for internal tools

    • UI Bakery starts at $20 per developer / month, billed annually ($25 billed monthly). Builder.io starts at $24 per user / month, billing basis not shown.
    • Only Builder.io lists a browser extension.
    • UI Bakery is self-hostable, according to its own site.
    • UI Bakery also covers workflow automation.
    UI Bakery pricing and details

  5. Budibase

    Open-source platform for internal apps, automations and AI agents

    • Budibase starts at $299 per month and up (Budibase Cloud, billing basis not shown). Builder.io starts at $24 per user / month, billing basis not shown.
    • Only Builder.io lists a browser extension.
    • Budibase is open source and self-hostable, according to its own site.
    • Budibase also covers workflow automation and no-code.
    Budibase pricing and details

  6. ToolJet

    Low-code platform for internal tools, workflows and AI agents

    • ToolJet starts at $23 per builder / month, billed annually ($29 billed monthly). Builder.io starts at $24 per user / month, billing basis not shown.
    • Only Builder.io lists a browser extension.
    • ToolJet is open source and self-hostable, according to its own site.
    • ToolJet also covers databases, workflow automation and no-code.
    ToolJet pricing and details

Common questions

Is there a self-hosted alternative to Builder.io?

Yes. Retool, OutSystems, Appsmith, UI Bakery, Budibase and ToolJet can be self-hosted, according to their own sites.

Can Builder.io be self-hosted?

The Builder.io listing does not say it can be self-hosted. The listing was checked on Nov 12, 2026 against the pages it cites.

When was this checked?

Each listing shows its own date. On this page they run from Nov 12, 2026 to Nov 13, 2026. Vendors change prices and plans without notice, so confirm on their site before you buy.

This page is built from the listings. A tool is here because its listing says so, and the order is how close each is to Builder.io: the alternatives its listing names first, then the tools that share the most features with it.