Plumb-Bob is described as 'perspective rectifier for macOS. Plumb-Bob is useful in many fields, architectural survey, building renovation, furnishing design, estate agents, and it represents a real completion for the metric / photographic survey' and is an app in the Photos & Graphics category. There are more than 10 alternatives to Plumb-Bob for a variety of platforms, including Windows, Mac, Linux, Android and BSD. The best alternative is GIMP, which is both free and Open Source. Other great apps like Plumb-Bob are Adobe Photoshop (Paid), Glimpse Image Editor (Free, Open Source), QGIS (Free, Open Source) and WidsMob Retoucher (Paid).
QGIS, formerly Quantum GIS, is a user friendly open source Geographic Information System (GIS) licensed under the GNU General Public License that runs on Linux, Unix, Mac OSX, and Windows and supports numerous vector, raster, and database formats and functionalities.
WidsMob Retoucher is an excellent photo retouching program, which is able to reduce image noise, portrait retoucher, film pack, adjust effects, fish eye effects, vignetting and more other features to photos with ease.
COLOR projects is your reliable partner to develop enduring images as quickly as possible and with the least stress - Create individual photorealistic textures with the texture converter - expert filters with new light effects such as light frames, Kirlian lights, light...