Visu is an interactive algorithm visualizer for GNOME desktops.
The application lets users write pseudocode in an editor, run it, and watch each operation replay on a canvas. It’s built with Python, GTK4, and libadwaita, and is designed to make arrays, stacks, queues, graphs, maps, and other data structures easier to understand through step-by-step animation.
This is free and open source software.
Key Features
- Purpose-built pseudocode language that’s small, readable, and requires no setup.
- Timeline controls to play, pause, step through, scrub, and adjust execution speed.
- Live line highlighting shows which statement is currently running.
- Animated renderers for arrays, stacks, queues, deques, linked lists, sets, maps, and graphs.
- Built-in reference documents every structure and helper with examples.
- Worked examples include bubble sort, depth-first search, union-find, insertion sort, selection sort, and iterative quicksort.
- Keyboard shortcuts cover running programs, opening and saving files, canvas zooming, and resetting zoom and pan.
Website: github.com/iionel/Visu
Support:
Developer: iIonel
License: MIT License
Visu is written in Python. Learn Python with our recommended free books and free tutorials.
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