Domainer - Manage All Your Domains and Websites
cliget - Download files using curl or wget.
Domain-Monitor.io - Looking for the complete domain and website uptime monitoring solution? Domain Monitor keeps an eye on your website, cron, SSL and domain name 24/7 and will alert you through Email, SMS and web when something stops working.
Folx - Folx is a simple yet powerful download manager and torrent client for Mac OS X.
HTTrack - HTTrack is a free (GPL, libre/free software) and easy-to-use offline browser utility.
Domain Punch - Solutions for Tracking and Managing Domain Expiry Dates, Name Servers, A, CNAME, SSL, MX, SPF, DMARC, DKIM Records & More.