ERP web based accounting and customer tracking application. (experienced people.) -- 2

I want ERP and CRM package software with Saas version standard features and menus.
The features I want
add
python, node js, golang, java, javascript

example:
https://demo-saas.worksuite.biz/login
https://demo-saas.worksuite.biz/login


The investment I made.
I want to receive it as soon as possible.
ready package software.
or redoing it from scratch.
using open source
No problem.