Note: The package OPI can be used to install several 3rd party packages, it also has the ability to add repositories to your repo list in zypper. OPI commands will be listed for known repos below. You can also find a list of 3rd party repos on the openSUSE Wiki, here: https://en.opensuse.org/Additional_package_repositories and in other wiki pages.

Brave

OPI: opi brave

Google Chrome

OPI: opi chrome

Packman

URL: http://packman.links2linux.org/
Repository: https://ftp.gwdg.de/pub/linux/misc/packman/suse/openSUSE_Tumbleweed/
Wiki: https://en.opensuse.org/Additional_package_repositories#Packman
OPI: opi codecs
Provides alternate, and some additional, packages with support for codecs and other features openSUSE does not include.

Skype

OPI: opi skype

Slack

OPI: opi slack

Spotify

OPI: opi spotify

VLC - VideoLAN

URL: https://www.videolan.org/vlc/download-suse.html
Repository: http://download.videolan.org/SuSE/Tumbleweed
OPI: opi vlc then choose VLC + for the repository option
Provides VLC with codecs as an alternative to the Packman repository.

Visual Studio Code

OPI: opi vscode
Official Microsoft VS Code

Visual Studio Codium

OPI: opi vscodium
Unofficial VS Code build without Microsoft telemetry, this version is not allowed to use official extensions, but uses an alternate repository for most extensions.

Zoom

OPI: opi zoom