Wondershare PDFelement - All-in-one PDF editor
Procore - Procore is the world's most widely used construction project management software. Easy to use, mobile platform with unlimited user licenses.
Foxit PhantomPDF - Edit PDF files with our feature-rich PDF Editor. Download Foxit PDF Editor to convert, sign, scan / OCR & more. A speedy PDF Editor alternative to Adobe Acrobat.
PlanSwift - PlanSwift allows contractors to create accurate project estimates specific to their individual trade.
Google Docs - Create a new document and edit with others at the same time -- from your computer, phone or tablet. Get stuff done with or without an internet connection. Use Docs to edit Word files. Free from Google.
SharpeSoft Estimator - SharpeSoft Estimator is a fast and high-performance solution that enables you to bid on more work in minimal time.