If you want a local and open source option (MacOS only at the moment though), I've been happily using Keyscribe for dictation, which is built on Moonshine I believe.
reply> local and open source option (MacOS only)
replyouch - this is ironic in an extreme, given Apple's OS layers and anti-GPL efforts
next, personal computers that come with a secret OS that can read all RAM by remote command?