Ask HN: Domain Searching

What do you use for searching and keeping track of domain ideas? I use whois.cc and domai.nr for domain name checking, but I am not aware of any tool for keeping track of domain searches by project. Google did not help, so I am reaching to the community for possible solutions. Here is my concept of ideal solution: http://cl.ly/image/0z0H3s3i2c15/Image%202013-10-02%20at%204.44.27%20PM.png