1)   ChatterBlocker 1.0
ChatterBlocker masks unwanted conversations so you can focus on your work, not your coworkers. Using a soothing blend of nature sounds, music and background voices, ChatterBlocker minimizes the intelligibility and distraction of intrusive speech.
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 2)   Natural Born Chatter 2.9.8
Popular text chat solution that was designed specifically for small and medium local area networks. It doesn't require an Internet connection or a dedicated server, because it utilizes your network, enabling your staff to communicate effectively
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