Xactware is 90% of the industry. There is also Symbility.
You might also consider MICA (not estimating). It will make your life running jobs & justifying charges to adjusters 1000% easier. A little bit of a learning curve, but extremely worth it.
Runs from a phone, ipad, mobile device, or desktop
Your work auth & completion cert can be a digital doc, signed on your mobile device
It does the calcs for you, PPD & airmover qty
Tracks equipment usage
Provides a dry log platform for psych's & materials
Allows you to incorp all pics from start to finish
Generates photo, dry log, and equip reports
When you master mica, you can actually export the data into xactimate. Sketch and all.
You can literally never touch another piece of paper again and have everything a few clicks away from emailing to customers and adjusters.