Puffin for Facebook - Puffin for Facebook is a special edition of https://alternativeto.
SE Ranking - All-in-One cloud-based SEO software for agencies, marketing teams and webmasters
Frost for Facebook - Frost is a third party Facebook wrapper geared towards design and functionality
DeskAlerts - Send alerts to any corporate device: PCs, phones, tablets, etc.
Friendly for Facebook - Friendly is the most complete Facebook Lite and FB Messenger alternative.
SEMRush - All-in-one Marketing Toolkit for digital marketing professionals.