If you own a cutting plotter (Summa, Graphtec, Mimaki CG), FlexiSign Pro 21 is unmatched in speed. If you only print (no cutting), Onyx or Caldera might be better.
Searching for "FlexiSign Pro 21 Full Activated" usually comes from a place of frustration. Users are tired of demos that expire after 30 days or "crippled" versions that watermark prints. Flexisign Pro 21 Full Activated