SEMRush - All-in-one Marketing Toolkit for digital marketing professionals.
Christmas HQ - Totally free holiday icons, images, borders and fonts
Moz - Backed by industry-leading data and the largest community of SEOs on the planet, Moz builds tools that make inbound marketing easy.
IconStore - Free icon packs by first-class designers
SEOquake - SEOquake provides a browser extension to conduct on-page SEO audit.
Merry Christmas Design Assets - Over 40,000 high-quality Christmas assets from Iconscout to bring the spirit of Christmas to your designs.