Dr. Link Check - Broken link checker with malware and parked domain detection
Sketch - Professional digital design for Mac.
BrokenLinkCheck - Free Broken Link Checker / Online Dead Link Checking Tool - find bad hyperlinks
Inkscape - Inkscape is a free, open source professional vector graphics editor for Windows, Mac OS X and Linux.
DRKSpiderJava - DRKSpider is an open source website crawler (sitemap generator) and link checker. Features:
Affinity Designer - Professional creative software, exclusively for Mac.