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Open source alternatives to Retool

We track 5 open-source Retool alternatives, of which 4 currently score 70 or above on Repoly's GitHub health scale and 4 ship a Docker image. ToolJet leads on health at 98/100 with 767 commits in the last 90 days; across all 5 projects you are choosing between Apache-2.0, GPL-3.0, MIT and 1 other licences.

5
Alternatives
114k
Combined stars
3,537
Commits / 90 days
4
With Docker
Licence family Licence

Showing 5 of 5 tools

All 5 Retool alternatives, ranked by health

  • Top pick · highest health

    ToolJet

    98 GOOD

    Low-code framework to build & deploy internal tools with minimal engineering effort (alternative to Retool and Mendix).

    ★ 41k · ⟳ today · v3.20.226-lts · GPL-3.0

    DockerNodejsK8S
    Website ↗ Source ↗

  • Appsmith

    98 GOOD

    Build admin panels, CRUD apps and workflows. Build everything you need, 10x faster.

    ★ 41k · ⟳ today · v2.4 · Apache-2.0

    DockerJavaK8S
    Website ↗ Source ↗

  • Budibase

    98 GOOD

    Build and automate internal tools, admin panels, dashboards, CRUD apps, and more, in minutes (alternative to Outsystems, Retool, Mendix, Appian).

    ★ 28k · ⟳ today · v3.45.0 · ⊘ Proprietary

    DockerNodejsK8S
    Website ↗ Source ↗

  • Corteza

    83 GOOD

    CRM including a unified workspace, enterprise messaging and a low code environment for rapidly and securely delivering records-based management solutions.

    ★ 2.2k · ⟳ 18 days ago · 2024.9.10 · Apache-2.0

    Go
    Website ↗ Source ↗

  • Baserow

    51 SLOWING

    Create your own database without technical experience (alternative to Airtable).

    ★ 2.3k · ⟳ 4 days ago · 1.35.3 · MIT

    Docker
    Website ↗ Source ↗

Retool alternatives: common questions

What is the most maintained open source alternative to Retool?

ToolJet scores highest at 98/100, with 767 commits in the last 90 days, 41k GitHub stars and its latest release (v3.20.226-lts) published 4 days ago. Budibase has the most raw commit activity at 2568 commits in 90 days.

Which Retool alternatives use a permissive licence?

3 of 5 are permissively licensed (MIT, Apache, BSD or similar): Appsmith (Apache-2.0), Corteza (Apache-2.0), Baserow (MIT). 1 use copyleft licences such as GPL or AGPL, which require you to publish changes if you distribute a modified version.

Which Retool alternatives run in Docker?

4 of 5 publish a Docker image or Compose file: ToolJet, Appsmith, Budibase, Baserow. Docker support contributes 10 of the 100 available health points, because it is the clearest signal that self-hosting is a supported path rather than an afterthought.