Development: https://docs.microsoft.com/en-us/sharepoint/dev/
2019 Conference Slides & Decks: Session decks and content will be available for download in the Schedule Builder
SharePoint Conference 2020: https://www.youtube.com/channel/UCFMJPnVmku6-Ap-emQGkGsg
SharePointTV On Demand: https://www.youtube.com/playlist?list=PLtjviAtJoXipysmCVa3aT2h1brlOaFbKE
https://www.twitch.tv/sharepointtv
https://www.sharepointnutsandbolts.com/
https://www.markrackley.net/
https://joyofsharepoint.wordpress.com/
https://drewmadelung.com/
https://vladtalkstech.com/
Power Hour:
https://www.iwmentor.com/pages/power-hour
Learning / Education
https://www.linkedin.com/learning/topics/sharepoint-online
https://www.linkedin.com/learning/topics/sharepoint
https://learning.oreilly.com/search/?query=sharepoint%20online