WiredPanels

Features:
- Framework to build an Editor or Visualizer
- No dependencies / no bloatware
- Elements: Panels, sockets and wires
- Configure: Many customizable options & parameters
- Rendering
- SVG
- CSS animations
- Automatic layout inside panels (depending on text width)
- Force layout and overlap avoidance between panels
- Mouse controls
- Touch event handlers for mobile use
- Move panels
- Drag / draw wires
- Selection: Click, Shift Invert, Box
- Keyboard controls
- Enter: Use / Activate
- Backspace: Delete
- Meta (+ Shift) + Z: Undo & Redo
- Meta + A: Select all panels
- Meta + X / C / V: Clipboard: Cut / Copy / Paste

Example:
Try online with source code