August 10 - 1:25pm EDT   DimDim has announced DimDim 4.0, an update that adds Mac compatibility to its browser-based web-conferencing platform. DimDim 4.0 features text chat, video conferencing and desktop sharing over the web. Video conferencing is offered via webcams, and desktop sharing works across both Mac and Windows desktops. DimDim 4.0 also records and plays back meetings, including video. [full story]

August 6 - 8:30pm EDT   Vyew is offering free cross-platform Adobe Flash-based desktop sharing. VyewMyPC provides "instant desktop sharing, whiteboarding and web conferencing for any desktop or laptop platform running any browser," the company said. The tool supports VoIP and provides a quick way to hold company meetings, presentations and brainstorming sessions. The ad-supported service is completely web-based so there is no software to install. [full story]

May 20 - 10:20am EDT   Adobe has launched a new online service, Acrobat Connect Pro. The platform is intended as a tool for professional web conferencing and teaching, and is primarily Flash-based, requiring no extra software and making it platform-independent. Hosts can delegate roles such as presenters, and the service supports not just slides and text chat but streaming audio and video, as well as software simulations. [full story]

May 13 - 10:35am EDT   BeamYourScreen has announced that its self-titled HTML viewer is now officially compatible with the iPhone. The viewer is meant for web conferences; once a meeting host has begun a session from a PC, iPhone owners can enter their session ID through Safari, and view the host's desktop in real-time. This includes virtually anything the host loads, such as websites, PDF files and Office documents. Up to 20 guests are supported. [full story]