Trello for Slack - Organize anything with anyone, inside Slack
SE Ranking - All-in-One cloud-based SEO software for agencies, marketing teams and webmasters
MeetNotes Slack Bot - A slack bot to run meetings from start to finish.
DeskAlerts - Send alerts to any corporate device: PCs, phones, tablets, etc.
D3 Digest - A Slack bot that digests links based on their reactions
SEMRush - All-in-one Marketing Toolkit for digital marketing professionals.