XMolView is very intuitive with a minimal user interface.

xmolvis is the next generation of xmolview. It very easy to use with direct keyboard commands.

Open an structure file and try the folowing 1 key commands:

1. v (volume)
2. s (atomic symbols)
3. f (fragments)
4. t (tools)
5. k (control panel)
6. b (bonds)

Try the folowing 2 keys commands:

1. Ctrl + f (compute fragments)

Older documentation and instructions:

Graphical documentation
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