The best replacement for rest service is wcf.

The best alternatives to rest service are rated as following:
★★★★★  wcf
★★★★  web api

Your alternative for rest service is not listed? Suggest!
Speaking about rest service, one probably shouldn't forget about soapui.

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



Google Trends

Scale is based on the average worldwide traffic of rest service in all years. Click on graph for more.
rest service
wcf
web api