ThreadStart - Twitter scheduler for creators specialised on threads
Swift Social - All-in-One Social Media Growth and Management Tool
Thread Creator - The best way to create and schedule Twitter threads
dlvr.it - dlvr.it helps you do social in less time. Share to multiple social networks at once.
Entrepreneur List - A curated library of entrepreneurship knowledge to help entrepreneurs grow a business.
Engator - Engator (your RSS to Twitter, RSS to Facebook service) enables you to auto-update your social networking sites like- Twitter, Facebook and Linkedin from one central platform.