IdeasAI - OpenAI-powered startup idea generator
Narrow - Narrow helps you build a targeted audience and increase your influence on twitter.
Ideas Grab - A list of +3400 ideas that you can get for your projects.
Follow3rs - Follow3rs enables you to add more followers to your Twitter account and become prominent in no time at all.
Startup Stash - A curated directory of 400 resources & tools for startups
Followerion - Followerion is the most trusted site regarding how to get more followers on twitter.