Do you know how to use apt? [0] It sounds like you're trying to install software the windows way (download from a website and run).
Some software is distributed as source only, but it's super rare for anything remotely popular to not be packaged (although you might have to add a PPA).
Some software is distributed as source only, but it's super rare for anything remotely popular to not be packaged (although you might have to add a PPA).
[0] https://help.ubuntu.com/community/AptGet/Howto