Free alternatives by categories

Free alternatives by comercial programs

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Graph Online

Graph Online - is a free service designed for visualization of the graph and finding the shortest path on a graph. Creating a graph is carried out on the adjacency matrix and incidence matrix. Also, users can search for connected component. The service suppo...

XnView

XnView - is a pretty good free program for viewing images. It supports 400 image formats, including animated. The application includes basic editing functions such as rotation, size reduction, as well as various filters. The whole process can be run in an au...

FastStone Image Viewer

FastStone Image Viewer - is image browser, converter and editor. This application has many interesting features; supports a large number of formats; includes a variety of tools (for example, red-eye removal, image resizer tool); provides access to proprietar...