Twidere - Tired of seeing ads and promotions in your timeline, being disrupted by tweets from bots and people...
SE Ranking - All-in-One cloud-based SEO software for agencies, marketing teams and webmasters
Pawoo - Japanese Mastodon client with English translation.
DeskAlerts - Send alerts to any corporate device: PCs, phones, tablets, etc.
AndStatus - A client for Twitter, Mastodon, GNU Social and Pump.io
SEMRush - All-in-one Marketing Toolkit for digital marketing professionals.