As it's named it's fully open source and developing on github. All over the world developers continue on it.
New Tech Stack
There are several open source classified software on internet but you can see that they're using 10 years old tech to developed their software. Eventually you'll change your software structure if you get one of them. But open classify using Laravel as framework. Pyrocms as CMS. And just focus and what you need.
Use on cloud or own Server
Openclassify gives you ability to Amazon Cloud or use your own server. You've freedom to select what you want and what you need.
Althought it's classifed platform open classify is very powerfull e-commerce system both B2B and B2C options. You can create market place just like Alibaba and Ebay.
As we mentioned in e-commerce There are ebay and Alibaba themes it's just ready for you. All themes are mobile ready and seems professional what you deserve.