Some tidy samples of Charlie Parker, Trane and Dexter Gordon are available here
Louis Gerrits has done a fantastic job his unofficial Michael Brecker site, which features info on the late great man, plus a hatful of transcriptions! Really nice to be able to listen to the recordings too while you study the notes.
Charles Schneider maintains this site for EJMA it’s a veritable Gold-Mine of Transcriptions from a massive number of artists.
Someone called Andy has transcribed some of Hank Mobley’s great solo’s from Soul Station on his site.
There are lots of transcriptions of Cannonball Adderly on Gilles Miton’s site which is truly a labour of love in honour of the rotund Altoist.