| rattleCAD | LEGO Digital Designer | FrameXpert Frame Designer | Diagram Designer | |
| 4.0.26 | 4.3.12 | 4.4 | 1.29.5 | |
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| Freeware | Freeware | Freeware | Freeware | Licence |
| FREE | FREE | FREE | FREE | Price |
| 26.00 MB | 156.00 MB | 26.20 MB | 2.00 MB | File size |
| Jul 21, 2020 | Jul 6, 2018 | Jun 10, 2013 | Oct 4, 2019 | Update |
| 70 | 81 | 58 | 161 | Downloads |
| Windows XP, Windows Vista, Windows Vista x64, Windows 7, Windows 7 x64, Windows 8, Windows 8 x64, Windows 10, Windows 10 x64, Windows 10, Windows 10 x64 | Windows XP, Windows Vista, Windows Vista x64, Windows 7, Windows 7 x64, Windows 8, Windows 8 x64, Windows 10, Windows 10 x64 | Windows XP, Windows Vista, Windows Vista x64, Windows 7, Windows 7 x64, Windows 8, Windows 8 x64 | Windows 2000, Windows 2003, Windows XP, Windows Vista, Windows Vista x64, Windows 7, Windows 7 x64, Windows 8, Windows 8 x64, Windows 10, Windows 10 x64 | OS |
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