Onionskin
PDF markup for engineers, architects and builders.
Measure accurately, compare revisions, write multi-arrow callouts and reuse
vector details. Built for drawing review, native on Mac and Windows.
- Platforms
- Mac · Windows
- Pricing
- Free trial, then subscription
onionskin-app.com →
Structopedia Calculators
Code-referenced calculators for Australian practice.
Beams, masonry to AS 3700, steel to AS 4100, timber framing to
AS 1684.2 and foundations, with every result traced to the clause it
comes from.
- Platform
- Web browser
- Pricing
- Free
structopedia.com →