This is the best free alternative. OBS Studio is open-source (completely safe). With the built-in "Virtual Camera" plugin, OBS can output your DSLR feed to Zoom or Skype.
for the current version and include free upgrades for one year. Sparkosoft Standard License ($29.95 - $59.95) sparkocam serial number and name high quality
Using a high-quality Sparkocam serial number offers several benefits, including: This is the best free alternative
Understanding SparkoCam: Features, Setup, and Official Access including: Understanding SparkoCam: Features
An official Canon USA tool that turns many Canon cameras into high-quality webcams.
If you don't have a DSLR, your smartphone camera is likely 4K and better than any $30 webcam.