the open source movement

Replace Retool.

6 open source alternatives, ranked by health. We re-check every project weekly, so you don’t migrate to something abandoned.

Ranked by health

  1. ToolJetLow-code platform for building internal tools, dashboards, business applications and workflows.★ 41k AGPL-3.0 JavaScript self-host managed
  2. AppsmithPlatform to build admin panels, internal tools, and dashboards. Integrates with 25+ databases and any API.★ 41k Apache-2.0 TypeScript self-host managed
  3. BudibaseLow-code platform for building internal apps, forms and automations on databases and APIs, with AI agents.★ 28k GPL-3.0 + BSL pro package TypeScript self-host managed
  4. NocoBaseNo-code and low-code platform for building business systems, with a plugin architecture and AI features.★ 24k Apache-2.0 with additional terms TypeScript self-host managed
  5. WindmillDeveloper platform that turns scripts into webhooks, workflows and UIs.★ 18k AGPL-3.0 + Apache-2.0 + proprietary enterprise code Rust self-host managed
  6. LowcoderLow-code platform for building internal tools and apps with a drag-and-drop editor.★ 1.6k AGPL-3.0 HTML self-host managed
How the ranking works

Health blends commit recency, release cadence, issue throughput, contributor breadth and star growth. Stars are shown but never ranked on. The full method.