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OmniGraffle Firefox Alternatives

We have listed 1 alternatives for OmniGraffle which have similar features like OmniGraffle including commercial, freemium, free and open source Firefox alternatives.

Categories: Office & Productivity
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Pencil Project

Open Source

Pencil Project is an open-source GUI prototyping tool.

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Pencil Project vs OmniGraffle
Compare Pencil Project and OmniGraffle and decide which is most suitable for you.