SE Ranking - All-in-One cloud-based SEO software for agencies, marketing teams and webmasters
Bookmark OS - Bookmark OS is like Mac or Windows optimized for bookmarks.
DeskAlerts - Send alerts to any corporate device: PCs, phones, tablets, etc.
BookmarkSheet - Your bookmarks in Google Sheets
SEMRush - All-in-one Marketing Toolkit for digital marketing professionals.
Annotate.tv - Optimize your learning on YouTube