What is the best free beat making software?

whats the best free beat making software for mixing hiphop and house beats and making tracks. ive looked for a lot but their all trials. whats one thats completely free and good for making rap songs and making really good tracks with drum line beats and etc. as close to professional software as possible, but free.... show more whats the best free beat making software for mixing hiphop and house beats and making tracks. ive looked for a lot but their all trials. whats one thats completely free and good for making rap songs and making really good tracks with drum line beats and etc. as close to professional software as possible, but free. plz help! thnks in advance
Update: btw i need one tht can save!! i tried fl studio, its so good but guess what.. cant save!! so which 1 saves?
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