Graffix
Isometric Line Tool
FreeIllustrator plugin draws lines at isometric angles
Mac
Cutting Tools
PaidGraffix: Precision Path Tools for Adobe Illustrator
Windows
Conversion
PaidConvert measurements such as lengths, weights or temperature.
MacSquare-Up
PaidIllustrator plugin squares paths along specified axis
MacCutting Tools
PaidAdobe Illustrator plugin for cutting paths
MacNudge Palette
PaidIllustrator plugin adjusts position of fill or path dashes
MacTrackplan Tools
PaidIllustrator plugin for model railroad trackplans
Mac
Conversion
PaidConvert measurements such as lengths, weights or temperature.
MacSquare-Up
PaidIllustrator Plugin Squares Paths Efficiently
Windows