The Flowroute Messaging Node.js SDK by Flowroute offers integration with a VoIP and messaging platform designed for Node.js applications. This SDK supports the v2 APIs from Flowroute which provide outbound SMS with the Messaging API.
AOL has just launched a new telephony web service for developers: the Open Voice API. This API is intended to "provide third-party developers and VoIP device manufacturers with open standards protocols that will enable them to easily integrate the AIM Call Out service into softphones, as well as SIP-enabled hardware and cell phones with wi-fi connectivity."
Twilio announced at the SIGNAL conference that the company has partnered with T-Mobile to launch Twilio Programmable Wireless, a new cellular communications platform for developers. Twilio Programmable Wireless features API-driven cellular connectivity, full communications stack, and self-service.