Free and source-available fair-code licensed workflow automation tool
n8n is an extendable workflow automation tool. With a fair-code distribution model, n8n will always have visible source code, be available to self-host, and allow you to add your own custom functions, logic and apps. n8n's node-based approach makes it highly versatile, enabling you to connect anything to everything. n8n has 200+ different nodes to automate workflows.
Sequential Workflow Designer is a lightweight workflow designer
Sequential Workflow Designer is a lightweight, dependency-free workflow designer for web applications. Built entirely in TypeScript and rendered with SVG, it offers a fully generic and customizable platform for designing workflows, visual programming tools, or any other flow-based UI - independent of any specific workflow engine.
On-line examples: https://nocode-js.com/sequential-workflow-designer-examples
Documentation: https://nocode-js.com/