Inkscape, an alternative to Ai, is a professional tool ideal for vector art lovers and graphic designers who use SVG file format.The tool is perfect for Windows, Linux, OS, and Mac as well. It doesn’t matter whether you are a professional or just a person who wants to create vector images for a personal blog.
The template file is the foundation for success when using any CAD platform. By starting with the template used to create projects, you can make several changes that will reduce production related tasks throughout the course of the project. Templates hold default object line weights and styles, system definitions, view templates, plotting defaults, and browser organization configurations. Too often users don’t spend the time making these adjustments, which creates additional work for during the project. A well-defined template (or group of templates) dramatically reduces the time required to setup and run a project. GSA has accumulated a series of templates by discipline (architectural, mechanical, and electrical).
In an attempt to increase productivity of BIM teams, templates for some BIM platforms have been provided. It should not be assumed that the presence of any template for any platform constitutes official support for that platform. All templates are provided only as a courtesy.
The templates are dynamic and are continuously changing. All templates are provided 'as-is' and should not be assumed complete or fully compliant with standards. Everyone is highly encouraged to assist with the update and creation of BIM templates and should submit suggested changes to the listed owner.
The project folder structure template is a .ZIP file which contains the required folder structure for BIM projects. It is highly suggested that projects begin by acquiring this ZIP file rather than attempting to recreate the structure manually.
Project Folder Structure - Basic.zip [ZIP - 600 KB]

Project Folder Structure - With samples.zip [ZIP - 27 MB]

ArchiCAD
Currently no ArchiCAD templates are available. Anyone willing to share a template(s) should contact richard.gee@gsa.gov.
AutoCAD Install windows on dosbox.
Currently no AutoCAD templates are available. Anyone willing to share a template(s) should contact richard.gee@gsa.gov.
Bentley
Currently no Bentley templates are available. Anyone willing to share a template(s) should contact richard.gee@gsa.gov.

Revit Templates in Development
Many home decorating projects can be done without much advance planning, like changing the paint color in your living room or reupholstering a piece of furniture. If you want to make a significant change, such as remodeling your kitchen or knocking down some walls, you shouldn’t start until you have a floor plan drawn up.
For decades, architects and engineers have been taking advantage of computer-aided design (CAD) for drafting and planning beautiful homes. For the non-professional, though, CAD programs often seem too technical and difficult to learn.
Fortunately, now it's a lot easier to decorate a room online. There's a wide variety of easy-to-use home design and decorating software and online room planners to choose from. These programs and online tools make it fun to plan your home’s design. Plus, you can do it all without having to move a single piece of furniture.
No software program is perfect for every project, and some are more user-friendly than others, so it’s a good idea to spend some time looking at the various options. You may find that one program is just right for helping you measure and layout big furniture items. Another may be better for your kitchen project because it has a greater variety of cabinet choices. Whatever online decorating programs you use, you will likely find that they are an efficient tool for planning and designing your space.
If you don't want to purchase design software, try some of the free online programs. They're fun to use and accomplish many of the same things the more powerful programs do. Design novices and those looking to do simple projects can definitely benefit from them. You can also look into downloading apps on your phone that aid interior design projects.