showmewebcam/showmewebcam is an open source project licensed under GNU General Public License v3.0 only which is an OSI approved license.
Similar projects and alternatives to showmewebcam based on common topics and language
[Moved to: https://github.com/Wren6991/PicoDVI]
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Raspberry Pi Enters Microcontroller Game with $4 Pico
news.ycombinator.com | 2021-01-22
You want to take a look at buildroot-based approaches. They're not quite instant-on, but they're tolerable. https://github.com/showmewebcam/showmewebcam is a good example.
USB Gadget Boards?
reddit.com/r/linux | 2021-01-14
With the composite kernel driver you can create as many virtual gadgets as you want from a single usb otg port. Lots of people have done it and documented extensively for the pi0. Here is my list (look at the composite gadget section): https://github.com/showmewebcam/showmewebcam/wiki/Further-Documentation
Why can’t you buy a good webcam?
news.ycombinator.com | 2020-12-22
> So there is a market gap between so-so webcams for $100-200 and a full-blown setup with a mirrorless camera, an external mic and lighting panels that will cost almost a grand or two, if you're so inclined.
Try our free software project that uses a Pi and its HQ sensor to make a USB webcam . You'll have a wide range of lenses  and cases  that people cook up for their personal use.
Last time I commented here, there have been criticisms about the quality of the lens that the Pi foindation sell. We have discovered many other decent alternative lenses that help remedy the quality and distortion issue of the stock lenses. An example of a good guide is the commonlands lens guide .
The software is very actively developed and we have a pretty supportive community with good software engineering practices. Check it out, you might even like it!