Good progress on my experimental web-based font editor! I'll publish a beta online soon.

Some features:
— Design type & typeset at the same time
— Pixel (PNG), vector (SVG), and font (OTF) exports
— Specialized in single stroke vector fonts (OTF export just reverses the paths and closes them)
— Two curves not found in any other program (afaik): polycentric arcs and g-conics (rational beziérs)

The UI still needs work!