You don't have to be technical at all in order to be able to use the software. Odoo is very intuitive and user friendly, with a simple and clean interface.
Netsuite, SAP, Sage, Salesforce
With Odoo Studio, customizations can be done directly and then exported to an Odoo module (coming soon). That way, developers can use Odoo Studio to bootstrap new modules, or it can be used as a prototyping tool.
Just to name a few: Amazon.com, eBay, UPS, FedEx, Quickbooks
The first application is always completely free for an unlimited time. Then there are two different options for the paid subscription; Odoo Enterprise version and Odoo Online. The Enterprise version costs 1,815 Euros per year, with a minimum of 5 users. After that the price is an additional 25 Euros per added user, per month. For the Online version the pricing is per app, from 10 Euros per month, and then it's 20 Euros per user per month.
Yes, you can have a free trial for 15 days by signing up here: https://www.odoo.com/trial and additionally, you can use one Odoo application completely free, indefinitely, as long as you don't add another application.
On our website you can find several training/educational material; we have user documentation, videos and a free trial to test the software. We also provide functional support and technical support 24/5, in English via email. We also offer a paid service with our Success Packs, where customers get a dedicated consultant.