Mac Apps for Chat
WhatsApp
FreeWhatsApp app on your Mac
MacProteus
Freeinstant messaging client for most major IM services
Mac
Colloquy
Trial versionQuality IRC & SILC client with style.
Mac
AOL Desktop for Mac
FreeAll-in-one AOL client with integrated mail, AIM, browser.
Mac
EOS Webcam Utility
FreeTurn your compatible Canon camera into a high-quality Webcam.
Mac
Telegram
FreeChat in private and group chats, share photos and videos and stay connected with everyone at once.
MacTelegram
FreeMac
PalaceChat
Trial versionInteract with other users online in 2D environment.
Mac
IP Reporter (OS X)
Trial versionFind and display your current IP number.
MacZoom Meetings
FreeMacMicrosoft Messenger
FreeInstant messaging tool.
MacFacebook Desktop
FreeMacTeamSpeak
FreeCommunicate with the internet through protocol and core technology.
MacApple Messages
FreeDownload Messages Beta and get a taste of what's coming in OS X Mountain Lion. When you install Messages, it replaces iChat. But iChat services will continue to work.
MacLogitech QuickCam
Trial versionMake QuickCam Pro 4000 supported by your Mac.
MacSafariNoTimeout
FreeReplace the connection request timeout in Safari with a different value.
Mac
Lingo
FreeIRC chat client that is ideal for both novice and expert users.
MacKakaoTalk
FreeMac
Mac Bulk SMS Software
Trial versionPromotes your business services via message broadcasting
Mac
Webcam Settings
PaidCustomize your webcam's settings while using FaceTime, Photo Booth or Skype on your Mac.
MacEvoCam
Trial versionStream live video to websites.
Mac
iGlasses
Trial versionControl camera settings from iChat, Skype and other apps.
MacICQ (OS X)
FreeSeek out friends and colleagues on the Internet.
MacTextNow - Free Text
FreeMac
