Skip to content
ToolGPA

Kombai alternatives · App Builders

Open-source alternatives to Kombai

Kombai is not described as open source on its own site. 6 of the 89 other AI app builders in this directory are open source, 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. Dyad

    Open-source desktop app that builds web apps with AI, locally

    • Dyad starts at $20 per month (Dyad Pro). Kombai starts at $16 per month, billed annually ($20 billed monthly).
    • Only Kombai lists a browser extension.
    • Dyad is open source, according to its own site.
    • Dyad also covers no-code.
    Dyad pricing and details

  2. Leap

    AI agent that builds backend-heavy apps and deploys to your cloud

    • Leap starts at $30 per month for 100 credits. Kombai starts at $16 per month, billed annually ($20 billed monthly).
    • Only Leap lists a web app.
    • Only Kombai lists macOS, Windows and Linux apps.
    • Only Kombai lists a browser extension.
    Leap 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. 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

  5. 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

  6. Mage

    Free generator that turns a description into a Wasp web app

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

Common questions

Is there an open-source alternative to Kombai?

Yes. Dyad, Leap, Appsmith, Budibase, ToolJet and Mage are open source, according to their own sites.

Is Kombai open source?

Kombai is not described as open source on its own site. 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 Oct 5, 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.