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Kombai alternatives · App Builders

Self-hosted alternatives to Kombai

The Kombai 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.

Kombai has a free plan. Paid plans start at $16 per month, billed annually ($20 billed monthly). 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 Kombai

  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). Kombai starts at $16 per month, billed annually ($20 billed monthly).
    • Only Retool lists a web app.
    • Only Kombai lists macOS, Windows and Linux apps.
    • Only Kombai lists a browser extension.
    Retool pricing and details

  2. OutSystems

    Enterprise platform for building apps and AI agents

    • Only OutSystems lists a web app.
    • Only Kombai lists macOS, Windows and Linux apps.
    • Only Kombai 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. Kombai starts at $16 per month, billed annually ($20 billed monthly).
    • Only Appsmith lists a web app.
    • Only Kombai lists macOS, Windows and Linux apps.
    • Only Kombai lists a browser extension.
    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). Kombai starts at $16 per month, billed annually ($20 billed monthly).
    • Only UI Bakery lists a web app.
    • Only Kombai lists macOS, Windows and Linux apps.
    • Only Kombai lists a browser extension.
    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). Kombai starts at $16 per month, billed annually ($20 billed monthly).
    • Only Budibase lists a web app.
    • Only Kombai lists macOS, Windows and Linux apps.
    • Only Kombai lists a browser extension.
    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). Kombai starts at $16 per month, billed annually ($20 billed monthly).
    • Only ToolJet lists a web app.
    • Only Kombai lists macOS, Windows and Linux apps.
    • Only Kombai lists a browser extension.
    ToolJet pricing and details

Common questions

Is there a self-hosted alternative to Kombai?

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

Can Kombai be self-hosted?

The Kombai 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 Kombai: the alternatives its listing names first, then the tools that share the most features with it.