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.
Synology Note Station - Without needing to spend money on Evernote, Synology Note Station provides a desktop client to organize all your random notes in one place.
Jepto - Jepto unifies your digital marketing data and helps you manage and automate your marketing
UpNote - A beautiful and clean cross-platform app for notes organizer
Adriel - A platform to monitor, control, and optimize your paid advertising from 600+ ad channels under a single dashboard.
Notesnook - Notesnook is a simple and private note taking app that keeps your notes organized and synced on your phone, tablet and computer.
Keyword Tool & Content Assistant - Content optimization tool to boost your rankings