Hugin - creating panoramic and "mosaic" (composite) photos

Hugin is a convenient application that allows the user not only to automate the process of stitching photos, but also allows you to manually, flexibly set parameters.
✔mosaic assembly mode, which allows you to assemble panoramas from pictures taken from different angles;
✔creation of polygonal masks, with which you can exclude unnecessary objects from the final panorama;
✔visualization of the entire project in the hardware-accelerated preview dialog, with which you can quickly assess the quality of alignment of overlapping images relative to each other;
✔grouping pictures taken with exposure bracketing - previously, time was wasted on aligning them relative to each other, even when it came to pictures of static objects taken from a tripod

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Inkscape - редактор векторной графики (Corel Draw)

Inkscape (an alternative to Corel Draw) is a vector graphics editor, convenient for creating both artistic and technical illustrations (including use as a general-purpose CAD program, which is also facilitated by the ease of sharing drawings). It is widely used to create illustrations, icons, logos, diagrams, maps, as well as web graphics.

It contains advanced tools for work, comparable to the capabilities of Adobe Illustrator, CorelDRAW and Xara Xtreme. You can read save images in many formats including SVG, AI, EPS, PDF, PS and PNG. Inkscape has a comprehensive set of tools, a simple interface, support for many languages, and is extensible with custom add-ons.

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