https://obsproject.com/
camtasia
evercam
I would recommend for video tapping remote courses, OBS studio is well enough
https://kahoot.it/
https://itempool.com/
https://www.qts.tw/
insect recognition
https://www.inaturalist.org/?fbclid=IwAR3CNOPW32dVW8mglv-jD7hQD7Itr6XuWyddkMz2QPftD01-VeflRorRjyI