ZoneMinder is an open source Linux surveillance software specially developed for the Linux platform. Various recording formats (AVI, DV, FFM, FLV, PSD MP4, and more).Adjust resolution, frame rate, contrast, sharpness, and more.It has a great feature of custom controls for the webcam. Webcamoid has over 60 effects, including blur, broken TV, cartoon, color filter, edge detection, pixelate, photocopy, oil paint, scan lines, and many more. It is suitable for both picture and video capture. It provides a huge number of options by which you can configure it as per your needs. This online tool is written in C++ and Qt. Webcamoid is a simple and versatile webcam program for Linux users.
Hopefully, it will help you choose the best Linux camera software. I sort out the different categories of software with some of its principal features. The tools are not the same in characteristics.