What's the recommended free software to draw data structures?

Question

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Visio alternatives

I don't know such a tool yet,

and it's sometimes hard to work if I don't draw it out..

Anyone can recommend a good candidiate?

@slhck ,Visio is for drawing UML,I just need to draw data structures(the `struct` in c). — Asker, Oct 11 '11 at 08:23
@Asker: whats the difference between a struct in UML and in C? — akira, Oct 11 '11 at 08:38
@akira,In UML,you can't represent the exact location of each data structure. — Asker, Oct 11 '11 at 08:52

score 1 · Answer 1 · edited May 23 '17 at 12:41

1

GraphViz is one possibility

Data Structures Graph

edited May 23 '17 at 12:41

Community

answered Oct 11 '11 at 09:44

RedGrittyBrick

I heard its arrows are NOT sticky, that's bad! – Asker Oct 11 '11 at 09:47
@Asker: GraphViz draws directed graphs. The nodes and arrows are positioned by the software. GraphViz attempts to optimise the layout by minimising crossings (you can add constraints). Stickiness of arrows is not a concept that applies here. – RedGrittyBrick Oct 11 '11 at 10:01
Anyway that's bad user experience IMO. – Asker Oct 11 '11 at 10:11
@Asker: what is? – RedGrittyBrick Oct 11 '11 at 10:21
The arrow should be stick when I move the blocks around. – Asker Oct 11 '11 at 10:33
@Asker: With GraphViz. arrows are always attached to blocks. You define the graphs textually, not by drawing. I'll add an appropriate example when I get time. – RedGrittyBrick Oct 11 '11 at 10:47
if you mean connectors, yes, graphviz uses them. – Sirex Oct 11 '11 at 12:22

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