I had a heck of a time trying to find links for all the ones included. They aren't all listed on Fredo6's Sketchucation page. https://sketchucation.com/pluginstore?pauthor=fredo6
Here they are for anyone else looking for details.
• ToolsOnSurface - https://sketchucation.com/pluginstore?pln=ToolsOnSurface
• VisuHole - https://sketchucation.com/plugin/1120-visuhole
• Curvizard - https://sketchucation.com/plugin/804-curvizard
• TopoShaper - https://sketchucation.com/plugin/716-toposhaper
• FredoScale - https://sketchucation.com/plugin/1169-fredoscale
• Curviloft - https://sketchucation.com/plugin/1175-curviloft
• JointPushPull - https://sketchucation.com/plugin/715-jointpushpull
• RoundCorner - https://sketchucation.com/plugin/1173-roundcorner