<a href="https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;Category:Computational_chemistry_software" rel="nofollow">https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;Category:Computational_chemist...</a> lists quite a few, and some of them are links to additional software lists, like <a href="https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;List_of_molecular_graphics_systems" rel="nofollow">https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;List_of_molecular_graphics_sys...</a> .<p>There is so much software because there are many different needs, each with specialist requirements. Most likely you want to look at PyMol. However, even though that&#x27;s one of the more approachable packages it will require some domain knowledge.