Can we use software other than QGIS

I wanted to know whether we can use other software like ArcGIS by Esri. I have used it before and I am a little comfortable using it. So can we use ArcGIS instead of QGIS.

IITB-ISRO-AICTE Mapathon 12-12-20, 6:06 p.m. Harsh1999
Please check the FAQ for this.
13-12-20, 12:35 p.m. neetusingh

Yes, I checked that and I am not sure. Is ArcGIS is open source or not? I started using it about 3-4 years ago, it was free for all at that time. 

13-12-20, 4:46 p.m. Harsh1999

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ArcGIS is not open-source software.
13-12-20, 5:01 p.m. neetusingh

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