Application that lets you design basic plans with intranet

We will look for a platform to be able to be already contrasted which offers me the possibility of registering clients who, when they put their intranet, can access an intranet and visit their personalized product The product is based on housing plans for remodeling, where apart from the basic data, you must find and vary from the administrator view the uploaded images try to have fixed templates that are worth most of me for all floors, but to be able to customize with an initial plan and above all to upload the personification of the floor in photos -It must be very easy to draw plans on the floor, where photos or works of room rooms will be loaded, even so there is a lot of already drawn plan that would only be loaded, important to be able to upload or download - When entering a room must have a sequence of different options where I was chosen by work groups (room electricity, plumbing, carpentry) - You must have an entrance when you click on a room where it takes you to an infographic where 5 ceiling plans appear, and the 4 walls - Platform security is important when entering external clients Important Spanish language, constant communication on any Trello or similar platform and that progress is observed That is a scalable platform and good practices are used It is interesting to copy how they did to design these platforms or similar [login to view URL] [login to view URL] [login to view URL] [login to view URL] above all it is for them to get an idea, what is sought is something very simple and intuitive The project is divided into 3 pairs and milestones are plowed and released when evaluated and agreed, in 2 days maximum but making tests