The best replacement for electronic signature is digital signature.

The best alternatives to electronic signature are rated as following:
★★★★★  digital signature
★  written signature
★  physical signature
★  wet signature
★  handwritten signature
  real signature

Your alternative for electronic signature is not listed? Suggest!
Speaking about electronic signature, one probably shouldn't forget about adobe.

Other search terms related to electronic signature and their ratings are:
★★★★★ adobe
You have in mind a companion for electronic signature and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of electronic signature in all years. Click on graph for more.
electronic signature
digital signature
written signature