Boggle247 For one year an half there are hundreds of packages added in the repository. Also a few of them were removed because lack of maintenance or abandoned from its developers.
If you don't like using snaps, flatpaks or appimages, there is nothing wrong for you to learn how to build it from source.
Even if in the Solus repopository is missing any of your preferred software, be the one to request it and then maintain it if it accepted for inclusion, so other users like you can benefit from that software.