You can use Jar2Exe for developing and test without purchase
Introduction
Develop license is free. Anyone is allowed to install, use Jar2Exe for developing and test without purchase. But generated exe files are not allowed to be redistributed as a product.
License Agreement
The license describes how are "Jar2Exe" and "Generated exe files" allowed to run on "developing pc", "test pc" and "customer's pc". The "other pc" means the current pc is not the pc on which the exe file is generated.
Install Jar2Exe:
It is allowed to install Jar2Exe on any pc.
Run Jar2Exe:
It is allowed to run Jar2Exe on any pc to generate exe files for DEVELOPING only.
Run Generated Exe:
It is allowed to run generated exe files on the same pc on which it is generated.
Run Generated Exe:
It is allowed to run generated exe files on other pc for TEST only.
Run Generated Exe:
It is allowed to run generated exe files on your customer's pc for DEMO or TRIAL only.
Modify Generated Exe:
It is NOT allowed to modify generated exe files such as re-encrypting or signing.
Run Generated Exe:
It is NOT allowed to run generated exe files on other pc for purposes other than TEST.
Redistribute:
It is NOT allowed to officially redistribute generated exe files to your customers for COMMERCIAL or FREE.
It is allowed to redistribute generated exe to your customers for DEMO or TRIAL, so your can decide to purchase Jar2Exe and then re-send them an authorized one when your customers select your product.