These listings route pipes, ducts, sprinklers, and electrical circuits, or they count those systems on a bid. You will be on Windows or in the browser. The cards do not name a Mac or a phone.
LINEAR Solutions is enterprise quote on Windows for HVAC, plumbing, electrical design, and pipe and duct sizing. MagiCAD Piping and MagiCAD Sprinkler Designer are paid Windows listings for piping calculations and sprinkler hydraulics. ElectroBIM is a paid trial on Windows for voltage drop, fault current, and feeder sizing. MEPcontent is a free manufacturer library for Revit and AutoCAD content on Windows and the web.
A content library, a sizing add-in, and a bid takeoff can share this page and still be different tools. Read the trade in the tasks, then the pricing type.