Interior Design

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Floor Plans

FreeCAD

FreeCAD has a "techdraw" workbench that enables generation of floor plans. The assumption is that you will be generating your plan from a 3D model of your building. If the floor plan is your primary goal and you don't need a 3D model then another tool may be more suitable.

Spreadsheet Floor Plans

Google Draw

Blender

Microsoft Visio

Bibliography

https://nadinestay.com/blog/interior-design-basicshttps://nadinestay.com/blog/mixing-wood-tones
Floor Planshttps://www.reddit.com/r/Ubiquiti/comments/f0tq37/what_is_the_best_way_to_create_the_floorplan_maps/https://www.wikihow.com/Draw-a-Floor-Plan-to-Scalehttps://learn.g2.com/free-floor-plan-softwarehttps://fosspost.org/open-source-cad-programs-autocad-alternative/https://support.microsoft.com/en-us/office/video-create-a-floor-plan-58e23ffc-d30b-4d98-86c6-23e9aa6b954d
Floor Plans in Excelhttps://www.instructables.com/Create-Floor-Plan-Using-MS-Excel/https://www.exceldemy.com/draw-a-floor-plan-in-excel/https://www.template.net/office/how-to-make-a-floor-plan-on-microsoft-excel/https://support.microsoft.com/en-us/office/video-create-a-floor-plan-58e23ffc-d30b-4d98-86c6-23e9aa6b954d
Floor Plans and Mood Boards in Google Sheetshttps://www.apartmenttherapy.com/google-sheets-for-design-projects-36831020
Homestylerhttps://www.homestyler.com/https://www.homestyler.com/pricing
Roomsketcherhttps://www.roomsketcher.com/https://www.roomsketcher.com/personal-use/https://www.roomsketcher.com/floor-plans/floor-plan-software/https://www.roomsketcher.com/pricing/#personalhttps://help.roomsketcher.com/hc/en-us/articles/360019791538 (What Can I Do with a Free Subscription? )
Smartdrawhttps://www.smartdraw.com/floor-plan/floor-plan-designer.htmhttps://cloud.smartdraw.com/?nsu=1
EdrawMaxhttps://www.edrawmax.com/https://www.edrawmax.com/?auto=1
Google Drawhttps://youtu.be/JBamYKOF_gc
Google Mapshttps://www.google.com/intl/en_US/help/maps/floorplans/
Sweet Home 3Dhttps://www.sweethome3d.com/