HCSS HeavyBid - Estimating software for the construction industry
Shutterstock - Shutterstock is a provider of stock photos, illustrations, and vector art. The website allows individuals to purchase a subscription and download copyrighted art for creative projects. Read more about Shutterstock.
PlanSwift - PlanSwift allows contractors to create accurate project estimates specific to their individual trade.
Snapwire - Real photos by real people
BC Pro - BC Pro helps general contractors and owners easily find and qualify subcontractors, send custom bid invites, and streamline communication
Pixabay - Over 270,000 free photos, vectors and art illustrations