the repos are browsable inside the package manager - I would imagine they are browsable outside as well, but I have never had cause to do so.
honestly, give tinycore a shot. fire it up in a VM and take a look around - it really is an amazingly useful distro.
understood. tinycore is a live installable distro, so you can still test it on bare metal.
pick the GUI flavor and kick the tires for a while.