CLIWin-Estimating-System, now known as Estimating Link, is a robust construction management software tailored for heavy civil construction projects such as highways, environmental projects, bridges, site-work, and civil projects. It supports both unit price and lump sum bidding, making it versatile for state and private sector work. The software is designed to be user-friendly, developed from real-world construction estimating and bidding experience, and has been refined over 35 years based on user feedback. Estimating Link offers a comprehensive suite of features including customizable templates, audit trails, data security, and integration with major software like Microsoft Excel, Microsoft Project, and QuickBooks. It also includes advanced tools for cost tracking, bid management, and project forecasting. The software facilitates efficient project management through features like crew building, rate libraries, subcontractor and material rate comparisons, and a variety of calculators for fuel, pipe trenches, and bonds. Additionally, it supports multi-user functionality allowing simultaneous access to projects, enhancing collaboration among team members.