TalkTastic is a capable voice dictation tool that works with all macOS apps. It uses on-device AI and multimodal language models for good transcription quality. One of its nice features is privacy control, letting you control when it listens and takes snapshots so you know what's going on. It's free in beta testing, so it's a good option if you want to boost productivity without sacrificing your privacy.
Another option is superwhisper, which supports more than 100 languages and lets you add custom words for better recognition. It's geared for tasks like note taking, email drafting and programming. It's designed to process data on your own device and work offline for maximum privacy and security. You can use a free version with limited abilities or upgrade to a Pro version for more features.
If you want something more elaborate, check out Auri. Auri is a multilingual AI keyboard, voice dictation tool and smart notes tool. It also includes AI chat, text-to-speech and translation abilities, so it's good for writing, communication and note taking. A free version has daily limits, but a Pro subscription lifts those limits. Auri can be a good option if you want to boost productivity on macOS.
Last, ChatPC lets you integrate with Mac apps like Finder, Calendar and Mail so you can use conversational language to automate tasks. It's designed to be end-to-end private, with encrypted communications and no collection of data for model training. It's designed to make your work more productive by automating tasks and integrating with your existing apps.