pmd
https://github.com/pmd/pmd/pull/44
CPD (Copy Paste Detector) supported GoLang.
go-xorm
https://github.com/go-xorm/xorm/issues/166
Suggested and implemented "soft delete" for xorm. My pull-request was immediately merged! (very impressive)
goose
https://bitbucket.org/liamstask/goose/pull-request/43/support-mysql-driver
Added mysql driver support. My pull-request hasn't been merged yet. I contacted to the author but he didn't respond.