I think, Serato DJ Pro is definitely one of the best choices of professional DJ software. Its’ huge number of features, great audio quality, clean Graphical User Interface and big hardware compatibility make it a solid choice.
If you are a beginner or bedroom DJ, You can download Serato DJ Lite free of Cost and start mixing on that.
The Best part of this software is you can add Filters, EQs, Make your own variety of customizable effects. On top of that you can use Serato Pitch and time module + Serato Flip to make you more confident while playing live. The best part is You can make clean edits or remixing, extend intros or outros, create transistions, skip parts of a track, or even remix it completely.