I just discovered a nice list of fediverse instances grouped by topic, that I find very interesting to share:
I'll keep this account here, but I don't discard to have another one in a more tech/dev instance.
And to avoid issues, read before the rules of the instance. Admins and moderators will or will not accept some behaviour and may ban you.
Servidor social en català per a la comunitat de llengua i cultura catalanes d'arreu d'internet.