Would like to create a list of contracts and due dates, vendors, and purchase order workflow for full lifecycle of hardware assets (great compliment to the upcoming asset management features). Features currently part of ITSM product, Samanage.

https://www.samanage.com/service-desk/ 

 
Samanage Service Platform offers a robust procurement module that enables you to organize all contracts and POs in a single location. Track licensing, maintenance, and subscription obligations, quickly reference contract terms, build custom PO forms, automate approvals, and more.