Category Archives: Recommended Free Tools
Sweet Home 3D, Tool for designing house floor plan and arranging furniture
Sweet Home 3D is free and open source tool for one particular task, house planning. Long learning curve is not needed, as the 15 minutes example below shows. Also there are existing examples to get started. The tool supports several … Continue reading
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Hugin, tool for creating panorama photos
Hugin is a good open source tool for creating panoramas of your overlapping photos of a scenary. Example: combining 3 sky photos Hugin contains several options for combining the images. The figure below is obtained after making manual alignment of … Continue reading
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Using ImageMagick to reveal existence of hidden steganographic messages with DIY IM-simpleGUI tool
Tools used ImageMagick is a powerfull CLI tool for image processing. For different commands, see their www pages. The following commands are used in this blog: compare convert montage In addition ImageMagick contains image filters like Laplacian (IM, wikipedia), Sobel … Continue reading
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Toucan, portable utility for synching directories, creating backups and encrypting files
Toucan is part of PortableApps, a collection of portable applications. It contains a good set features for managing your backups and archives: synchronise backup encrypt The figure below shows one file to be encrypted. After encryption, the original file is … Continue reading
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FileVerifier++ and Karen’s Hasher, GUI Tools for fingerprinting your files with SHA-512
In an earlier blog, a GUI tool called WinMD5 was recommended for maintaining integrity of your files. However, hash calculation based on SHA-512 is more security nowadays. For example, if you need to proof to others, that you possessed a … Continue reading
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Registax, Tool for enhancing an astro image from set of images
It is possible to improve your sky photos by using stacking tool like Registax. The input needed is a set of repetitive photos. For Canon cameras, there exist modification called CHDK with an intervalometer script, with which it is staightforward … Continue reading
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Tools for Colors and Color names: “What Color”, SIHwheel, “Name That Color”
This blog is not about choosing the right color, but about identifying what color is being used. Some tools provide numeric RGB values, but there are some ways to get the nearby color name, as will be shown here. Getting … Continue reading
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