I am using the free tool of Somiibo for a week now; I gotta say, this is the best automation tool ever made, even if you don't have a premium plan, it can promote your content in an organic way, no ransomware or stupid ads. Worth a try. Awesome development from the team.
UpNote - A beautiful and clean cross-platform app for notes organizer
Jepto - Jepto unifies your digital marketing data and helps you manage and automate your marketing
Notesnook - Notesnook is a simple and private note taking app that keeps your notes organized and synced on your phone, tablet and computer.
Adriel - A platform to monitor, control, and optimize your paid advertising from 600+ ad channels under a single dashboard.
Note Board - Productivity app. Save information like a sticky notes.
Keyword Tool & Content Assistant - Content optimization tool to boost your rankings