MeshNetics - 802.15.4 / ZigBee Wireless RF Modules
MeshNetics is a creator of easy-to-integrate 802.15.4 / ZigBee wireless RF modules and ZigBee PRO-certified mesh networking software, used by OEMs and system integrators to add wireless connectivity to their products and solutions. MeshNetics RF modules feature industry-leading range performance, long battery life and ultra-small footprint. They are designed for use in 868/915 MHz and 2.4 GHz frequency bands. MeshNetics is a single source of ZigBee modules, development tools, networking software, technical support, and design services.

ARINC, MIL-STD-1553, AFDX Solutions by GE Fanuc Intelligent Platforms

freeware    

BlueHoc: Bluetooth Performance Evaluation Tool
BlueHoc simulator provides a Bluetooth extension for Network Simulator (ver 2.1b8a). BlueHoc is available for download under IBM Public License (IPL) from IBM developerWorks. It requires ns-2.1b8a which can be obtained from Network Simulator site. BlueHoc is IBMs new Bluetooth offering in the open-source zone. Released under IBM public license it allows users to evaluate how Bluetooth performs under various ad-hoc networking scenarios.
preview: http://sourceforge.net  

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Atinav Products
WAP Gateway aveAccessWAP Gateway - Access internet from any WAP enabled device. It supports HTML to WML conversion, Form processing and much more. SMS Gateway aveAccess SMS Gateway - Develop your own SMS applications using our SMS Gateway and SDK Audio Web aveAccess Audio Web - Access internet through telephone or mobile phones.
preview: http://www.atinav.com  

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BlueRadios Evaluation Kit
Includes 4-hours of engineering technical support, drawings, detailed specifications, and consulting from design architecture, programming, RF layout, and integration. Enables companies to quickly have a custom wireless Bluetooth solution up and working within 48-hours. Also a student evaluation kit available. Both are 'for sale' but are low-cost ways to evaluate the technology...
preview: http://www.blueradios.com  

eval    

Hands-Free Kit Development Platform (TI Bluetooth Evaluation Platform)
Bringing unprecedented affordable, audio quality to consumer products, TI and Clarity Technologies developed the Hands-Free Kit (HFK) Development Platform, a complete DSP-based solution. The HFK Development Platform provides real-time voice and audio enhancing algorithms, enabling developers to get higher quality audio products to market faster while reducing cost.
preview: http://focus.ti.com