Methvin - Project management and estimating tool designed for the construction industry.
SSuite Axcel Professional Spreadsheet - This powerful and professional spreadsheet has all the tools you need to calculate, analyse, summarize, and present your data in numerical reports or colourful graphics.
HCSS HeavyBid - Estimating software for the construction industry
EtherCalc - EtherCalc is a web spreadsheet.
eSUB Construction Software - #1 Cloud-Based Subcontractor Management Software - Construction Project Management Made Easy - Track Daily Reports, RFIs, Submittals, Change Orders, POs, & more!
Keikai - Effortlessly Build Spreadsheet-driven Web Apps