About RABM blog, it's currently stalled, but they keep publishing content on Instagram. Worth to take a look ;) Also suggest you to check Astral Noize zine and their associated label Blackened Death Records for RABM records, bands and events. So for other styles of metal with similar lyrics.

About labels, apart from the last one, go for a look to Realm and Ritual and Tridroid Records.

About strictly RABM bands I listen, well, there are a sort of them (not-active, even), but the most are Tiffo, Pessimista and Osso & Madeira. All of them are projects minded by the same person (they have other projects worth to listen too, check their Bandcamp sites). They are located in Brazil, curious fact.
My opinion about them: A growing artist. All projects sound different, you'll find experimental bites here and there, even ambient-like metal on the last. Nice lyrics, although not talking about any gender issue.