Wondershare PDFelement - All-in-one PDF editor
PlanSwift - PlanSwift allows contractors to create accurate project estimates specific to their individual trade.
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.
Methvin - Project management and estimating tool designed for the construction industry.
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.
BC Pro - BC Pro helps general contractors and owners easily find and qualify subcontractors, send custom bid invites, and streamline communication