An extremely well-moderated and informative discord server which tracks open-source intelligence (OSINT) resources around many domains and locations. The #russia-ukraine-* channels have terrific information and auto-translate articles.

Mark Galeotti is a British expert on Eastern Europe who is extremely well-informed on goings-on inside Russia.

The British Telegraph media organization puts out a podcast episode most days focusing on events and news related to Ukraine. Often from a UK/US perspective. Lots of dry, acerbic humor about Russia's words and deeds.

Kristaps from Latvia is a journalist and historian who has been focusing on the former USSR and its relation to Eastern Europe polities. He has a very personal and gonzo style of reporting.

Michael Weiss has interviews with notable personages about Russian intelligence.

Very deep conversations with top experts on the situation inside Russia and its ongoing invasion of Ukraine.

Podcast by the Foreign Policy Research Institute about Russia with some focus on economics.

U.S. Air Force veteran who gives his perspective on current events relating to the Russian invasion, almost daily. Usually reading headlines with some personal commentary and analysis. My only complaint is that he has no clue how to pronounce any slavic words.

Danish military analyst records short-ish, digestible thoughts on the war.

Mystery Australian military economic analyst puts out banger powerpoints every week doing deep dives on various aspects of the war with numbers and dilligent research.