Keyword-Research:
https://ads.google.com/aw/keywordplanner/ideas/new - You have to sing up for a Google Ads account and then go to Tools → Planning → Keyword Planner
SemRush
Ahrefs
ClickUp
Notion
Slack
breakcold
Pipedrive
Metricool: Scheduling social media posts on different social media platforms, LinkedIn, Facebook, Instagram, YouTube, Twitter, TikTok, etc.