Hub Watch is a super small and easy solution to find repository you are watching on github by its description.
I'm using http://github.com/ watch list as a good list of bookmarks gems and stuff I may ever need. But its very hard to find the name of the repository without looking on its description. Browsing 100+ repositories to find the one I need is huge time waster
Also you can share your lists - http://hubwatch.heroku.com/#YourGithubUsername, like http://hubwatch.heroku.com/#MasterLambaster
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