Qwasap - A Telegram bot that lets you talk to people who are located anywhere in the world.

Procore - Procore is the world's most widely used construction project management software. Easy to use, mobile platform with unlimited user licenses.

Jodel - What is Jodel all about? Jodel is the community that shows you what's happening in your area in real-time.

Corecon - Corecon offers integrated estimating, project management, and job costing for small to medium-sized construction companies.

Treadie - Create your own micro-social network for topics

BuilderTREND - Buildertrend is the #1 construction management software and construction app for home builders, remodelers, specialty contractors and commercial construction.