Platform: Mac OS X
Current Status: Actively Developed
Trailer.app keeps tabs on GitHub pull requests across repositories, directly in OS X Notification Center, started as a part-time project at HouseTrip and released as open source under the MIT license.
What can it do for you?
Link with your GitHub account quickly & easily by creating a GitHub API token, paste it in the settings window and you're ready.
Includes "Your Own" / "Participated" / "Merged" / "All PRs" sections.
Integrated with Notification Center to keep you notified of comments and merges.
Search / filter PRs on-the-fly by typing.
Clicking on a PR or comment opens it on GitHub.
View PRs only from repositories you are interested in.
Menu item turns red when you have unread comments & places badges in the PRs on your list.
Official page: http://ptsochantaris.github.io/trailer/