Open source alternatives to Retool

5 open source projects replace Retool, ranked by how safe each is to depend on.

ToolJet

93 · Healthy

Low-code platform for internal tools and workflows with many data-source connectors.

AGPL-3.0Relicensed 2021★ 41kLast commit 2 days ago

Appsmith

91 · Healthy

Low-code builder for admin panels, dashboards and internal CRUD apps.

Free to useApache-2.0★ 41kLast commit yesterday

Budibase

88 · Healthy

Low-code platform for forms, portals and approval apps on top of your databases.

Free core, paid extrasGPL-3.0★ 28kLast commit yesterday

Windmill

85 · Healthy

Developer platform that turns scripts into workflows, internal UIs and scheduled jobs.

Free core, paid extrasAGPL-3.0★ 18kLast commit today

Refine

81 · Healthy

React framework for building admin panels, dashboards and internal tools on top of any backend.

Free to useMIT★ 36kLast commit 29 days ago

Source-available and unverified licenses

The code for these is public, but the license is not an OSI open source license, or we have not verified it yet. Check the license notes on each project before relying on it.

NocoBase

99 · Healthy

Plugin-based no-code platform for building internal business systems on your own data model, with AI assistants.

Free, no resellingApache-2.0 + extra terms★ 25kLast commit today

Directus

97 · Healthy

Data platform that puts an admin app and REST/GraphQL APIs on top of any SQL database.

Free, no resellingMonospace Sustainable Core License 1.0Relicensed 2026★ 38kLast commit today