Trying out getting first look on Dolibar. It was quite impressive functionality. Trying to connect things and figure out how things work was difficult at first though and it can feel overwhelming. Try to find some guides to help you out in the beginning and then just start experimenting!
Here are some screenshots:
Please note! In this, the windows version was used, and had to use http instead of https. For any real use, remember to implement https.
If you get interested in trying out Dolibarr yourself, you can find it here: https://www.dolibarr.org