If you're looking for a music transcription service that can handle collaboration and cloud storage, Frettable is worth a look. The tool, which uses sophisticated AI technology, creates sheet music and MIDI files based on recordings of instruments. It can store files in the cloud and synchronize them so multiple people can work on a song. Frettable also offers tiered pricing for different levels of use, from hobbyists to serious projects.
Another good option is Transkriptor, which offers a powerful transcription tool for audio and video files. Although geared primarily for text transcription, it also can handle collaborative editing and cloud storage. Transkriptor is available as a mobile app, Google Chrome extension and virtual meeting bot integration, so it can accommodate different user needs.
If you need a content creation tool that can handle a lot more than just transcripts, Swell AI offers a variety of outputs including transcripts, articles and social posts. It has a transcript editor with AI suggestions and public shareable transcripts that can be useful for collaboration. Swell AI also can be integrated with chatbots and other operations through APIs, which could be useful for content producers trying to automate some of their operations.