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.
Procore - Procore is the world's most widely used construction project management software. Easy to use, mobile platform with unlimited user licenses.
Pixabay - Over 270,000 free photos, vectors and art illustrations
PlanSwift - PlanSwift allows contractors to create accurate project estimates specific to their individual trade.
Snapwire - Real photos by real people
SharpeSoft Estimator - SharpeSoft Estimator is a fast and high-performance solution that enables you to bid on more work in minimal time.