At present it becomes progressively famous to collaborate at house. People like to sleep longer and do their tasks when they want and not when they are required to do them. It is a huge ease, specially for freelancers who enjoy to work on their own and dislike bosses and sitting at the desk from nine to 5 every day. It is also a perfect work for people who want to have part-time job. The advantageous are many as well as disadvantageous. Progressively people also collaborate in groups with other freelancers. They are able to cooperate together using Internet and time tracking computer program.