Alternative apps to TeamSpeak:
All-in-one voice and text chat for gamers that’s free, secure, and works on both your desktop and phone. Stop paying for TeamSpeak servers and hassling with Skype. Simplify your life.
D3DGear is very fast game recording software and game broadcasting software for PC. It captures gameplay video to movie with high speed, high quality, very small file size.
Mumble is an open source, low-latency, high quality voice chat software primarily intended for use while gaming.