https://www.fluxforge.com/
Flux Forge - Mac OS X Apps and Software
Flux Forge develops outstanding Mac apps. We're the proud makers of Vector 3 - the highly popular OS X Audio editor.
mac os x appsfluxforgesoftware
https://www.onekerato.com/
onekerato - Mac OS X apps for editing table of contents in PDF
PDFOutliner, PDFoo, PDFExplode, PDFCombo are apps available for working with PDFs on Mac OS X
mac os x appstable of contentsfor editing