Subtitle Edit is great if you have the hardware to run it. If you don't have GPUs available or don't want to manage the servers I built a simple to use and affordable API that you can use: https://lemonfox.ai/
Let me know if you are interested in a more reliable transcription API. I'm building Lemonfox.ai and we've optimized our transcription API to be highly available and very fast for large files. Happy to give you a discount (email: bruno at lemonfox.ai)
If you look for a cheaper transcription API you could als use https://Lemonfox.ai. We've optimized the API for long audio files and are much faster and cheaper than OpenAI.
Another great source for trades made by US politicians is https://stockcircle.com/congress-stock-trades. You can see their whole portfolio and also follow other investors like Warren Buffett to see what they are investing in.
I wouldn't use Edge TTS for commercial projects since it's using an internal Microsoft API that was reverse engineered.
If you are looking for a commercial API, I just launched a TTS API powered by the the best performing open source model Kokoro: https://www.lemonfox.ai/text-to-speech-api. The API is compatible with OpenAI and ElevenLabs and up to 25x cheaper.