Answer:
1. Photoshop. Still number one, for many good reasons.
2. Affinity Designer. A precise vector graphic design tool.
3. Rebelle. Create realistic watercolour, acrylic, wet and dry media artwork.
4. Procreate. A powerful iPad drawing tool.
5. Clip Studio Paint Pro.
6. Artweaver 7.
7. ArtRage
8. Krita.
Note: Most of these I actually don't know, I got it off of the internet, because I don't know what "penting" means..