If the source is available somewhere, but it’s not in your distro’s repos, there’s probably a good reason for that. Ideally just get better hardware. A WiFi chip is usually something like $20-30 and is replaceable on most laptops and desktops. An audio card can be bypassed with USB or a PCIe add-in card. That’s pretty much everything this might apply to.
If the source is available somewhere, but it’s not in your distro’s repos, there’s probably a good reason for that. Ideally just get better hardware. A WiFi chip is usually something like $20-30 and is replaceable on most laptops and desktops. An audio card can be bypassed with USB or a PCIe add-in card. That’s pretty much everything this might apply to.