First beta... macOS Catalina 10.15 beta (19A471t) Release Notes!!!
macOSDeveloperBetaAccessUtility.dmg.zip (thanks to gengik84)
Clover r4945 (thanks to Cyberdevs)
Lilu_plugins (thanks to gengik84)
Port Limit Patch (thanks to daliansky)
older non metal nVidia and Intel cards (thanks to fusion71au)
MBR installation on macOS Catalina (thanks to crazybirdy) - workaround!!!
Mac Downloader (thanks to ricoc90)
Stuck boot in Beta 5 (thanks to MaLd0n)
Here is an application which @ricoc90 created to download different versions of macOS from High Sierra to Catalina (Final versions and Betas) for the users that have issues with downloading the whole installer.
I just downloaded the first Public Beta using this app
Please add the link to the first post if you thinks it's gonna be useful for others as well.