I'm making a video editor that removes silence from videos. After creating a bunch of code screencasts, I've found most of my editing time is spent manually cutting out chunks of silence, and it's always felt like a job the computer should be doing. So I'm making a native Mac app to do it for me. It's in private beta right now, and feedback has been good so far! I'm hoping to hoping to get it launched in the next few…
I would suggest you to support exporting to OpenTimelineIO - opentimeline.io "Open Source API and interchange format for editorial time line information." Most of the softwares you mention already support it, if I am not mistaken.