Android:

New Youtube Clients with Material 3 Design:

• Clipious
• Hyperion
• Libretube
• Lighttube

Old Youtube Clients with old design:

• Freetube
• NewPipe
• Newpipe X Sponsorblock
• PipePipe
• Skytube
• Skytube Legacy
• Skytube Extra

Android Browser Options:

Firefox Option:

• Ublock Origin
• YouTube High Definition
• Video Background Play Fix

Limited to a selection of pre-approved extensions (Ublock Origin is included in said list); however, you can get around this by using Firefox Nightly and enabling developer settings, which allows you to add a custom list of extensions, which can include any extension for desktop Firefox, including things like SponsorBlock. (Credits to https://lemmy.world/u/Pr0phet )

Mull Option:

• uBlock Origin + script to hide Shorts
• SponsorBlock (Credits to https://lemdro.id/u/Erunn )

For TVs:

• SmartTubeNext

IOS:

• uYou
• uYouPlus
• uYouPlusExtra
• CercubePlus

For PCs:

Brave Option:

• Sponsorblock Extension
• Return Youtube Dislike Extension
• Enhancer for Youtube Extension
• Unhock: remove youtube recommendations extension
• Youtube Shorts Block extension
• Autoquality for youtube extension
• Iridium for Youtube Extension

Firefox Option:

• uBlock Origin
• Return Youtube Dislikes
• Sponsorblock for Youtube
• Youtube Nonstop
• Enhancer for Youtube
• Youtube Audio
• ImprovedTube
• Unhoock: remove youtube recommendations

Windows:

• Freetube

Linux:

• Freetube

MAC OS:

• Freetube

Instance Sign-In support (No Google Login): Clipious, Libretube, Lighttube, Freetube

Google Login support: SmartTubeNext