We’ve gotten some excellent non-tcg resources lately (as well as some older ones worth mentioning) which i thought i’d post here, some might be worth it to link in first post too if @quuador has time and energy at some point
Bandai Club & Snack & Battle stickers - Stickerpedia
Pokemon Amada stickers - Stickerpedia
Pokemon Ensky stickers - Stickerpedia
Pokemon Topsun stickers - Stickerpedia
Pokemon Meiji Rainbow stickers - Stickerpedia
Overall the stickerpedia by @nidokingdom is a massive resource which should get more recognition
Bandai Zukan, Karuta, Pokemon Channel Nice etc sets - Thecardcollector
Pokemon Bandai Kid’s mini cards (Gen 1) - Efour Thread
Pokemon Bandai Candy products 1996-2009 - Efour Thread
Pokemon Topsun Vs set - Efour Thread
Pokemon Meiji Coins - Efour Thread
Pokemon Poker cards - Efour Thread
Pokemon Uno cards - Efour Thread
Pokemon Edibas Lamin cards - Efour Thread
Japanese Phone cards - Efour Thread
Pokemon Flip Coins - Efour Thread
Pokemon Bandai Online Catalog 2000-2024 - Efour Thread
Betty Crocker x Nintendo Pokemon Rolls Promos - Efour Thread
Corocoro comics - Efour Thread
Pokemon Metal figures - Efour Thread
Pokemon Metal figures - Myfigurecollection
Xconcepts mini skateboards - Efour Thread
Xconcepts mini snowboards - Efour Thread
Pokemon Trainer Magazines & Silver Bible - Efour Thread
Also i want to mention that Battrio, Tretta, Ga-ole and Mezastar have another successor that might be interesting for some species collectors, Pokemon Frienda
And i think these resources are sure useful for some people and worth mentioning in a thread like this:
Pokemon species item list (grimer example)
Early Pokemon brand timeline
Lastly a shameless promo of my Topps Cards Gallery 