I use Camtasia, others use Premiere or DaVinci Resolve.
I think you'll find that video quality has more to do with your lighting and recording environment than anything, though. There are some good resources at https://teach.udemy.com/recording/ worth reading through.
Welcome to the instructor club!
Tips for Udemy Videos.
Creating a high-quality video for a Udemy course requires some planning and preparation. Here are some tips to help you make a great video:
Use a good camera: A high-quality camera is essential for creating a professional-looking video. You can use a DSLR camera or a good-quality smartphone camera to record your videos.
Use good lighting: Lighting is one of the most important factors in creating a high-quality video. Make sure your filming location is well-lit, and use natural light if possible. If you need additional lighting, invest in some good quality lights.
Use a good microphone: Sound quality is just as important as video quality. Invest in a good-quality microphone to ensure that your audio is clear and easy to understand.
Plan your content: Before you start filming, plan out the content of your video. Create a script or an outline, and make sure you have all the necessary information you want to cover.
Keep it simple: Don't try to include too much information in your video. Keep your content focused and easy to understand.
Engage your audience: Make your video engaging by using visuals, animations, and other multimedia elements. This will help keep your viewers interested and attentive.
Edit your video: Once you have finished filming, edit your video to make sure it is polished and professional-looking. Use a good video editing software to add titles, captions, and other effects.
By following these tips, you can create a high-quality video for your Udemy course that will engage and inform your students.