Privacy Pros: Open source, can be configured to scrape from Invidious instead of YouTube.
Privacy Cons: Relies on a Google service.
Privacy Tips: Switch source to Invidious with YouTube as a fallback.
An Open Source YouTube app for privacy
FreeTube is an open source desktop YouTube player built with privacy in mind. Use YouTube without advertisements and prevent Google from tracking you with their cookies and JavaScript. Available for Windows, Mac & Linux thanks to Electron.
Please note that FreeTube is currently in Beta. While it should work well for most users, there are still bugs and missing features that need to be addressed.