I need a download-able program for auto repair manuals.?

Even if it cost money. I was looking around awhile back and found a program you can download that holds a ton of auto repair manuals. Sadly I can not remember the name of the program, It did cost like 15-20$ but idc. If anyone knows anything or has a possible link please provide I'm very interested in finding one. I'm tired of having to buy a Haynes manual for every car I work on.I need a download-able program for auto repair manuals.?
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