Mountain View, Calif.--Ariba Inc. Tuesday delivered the latest version of Ariba Sourcing, its tools to help companies locate direct and indirect supplies, and suppliers, via e-marketplaces. Ariba Sourcing can now support more users and offers an improved user interface. Functionality includes request for quote writing and searching tools, support for real-time bidding events and other community activities. New collaborative tools let users add value to RFQs by attaching engineering drawings and standards documents. It also lets them participate in an online discussion thread.