DISQUS - Disqus is a global comment system that improves discussion on websites and connects conversations across the web.
Procore - Procore is the world's most widely used construction project management software. Easy to use, mobile platform with unlimited user licenses.
Hyvor Talk - The Best Commenting Platform For Your Website
CoConstruct - CoConstruct's project management software helps custom builders & remodelers coordinate projects, communicate with clients & crew, and control.
Commento - A fast, bloat-free comments system to foster discussion on your website
BuilderTREND - Buildertrend is the #1 construction management software and construction app for home builders, remodelers, specialty contractors and commercial construction.