Synthesio - Synthesio is a social intelligence tool or a marketing software that is specially made for the purpose of social media monitoring and social analytics.
Todo.txt - Track your tasks and projects in a plain text file, todo.txt. A todo.
Swift Social - All-in-One Social Media Growth and Management Tool
Task Coach - Task Coach is a simple open source todo manager to keep track of personal tasks and todo lists.
LeadsRX - LeadsRX is a marketing attribution software that gives marketers insights into which advertising campaigns result in conversions.
Strikethru - Strikethru is a kind of to-do list notebook for managing work lists and staying updated with the important tasks.