【主流即时通讯软件】

- Google Talk
- Skype
- Yahoo! Messenger
- AOL Instant Messenger
- Windows Live Messenger
- ICQ
- mICQ
- Licq
- aMSN
- JMSN
- CSpace
- Coccinella
- Emesene
- Gajim
- GOIM
- mcabber
- Gadu-Gadu
- Exodus
- Retroshare
- naim
- Gossip
- MessageMate
- Papla Instant
- Mercury Messenger
- Psi
- Spark
- Jabbin
- YSM
- MySpaceIM
- OneTeam
- Microsoft Messenger for Mac
- Xfire
- Pandion
- BitWise IM





【集成多协议的即时通讯软件】

- Pidgin
- Miranda IM
- Ayttm
- Trillian
- meetro
- IMVU
- Kopete
- MECA
- Centericq
- Proteus
- Instan-t
- iChat
- Universal Messenger Plus
- Qnext
- Aduim
- BitlBee





【在线即时通讯应用】

- meebo
- eBuddy
- KoolIM
- ILoveIM
- IMhaha
- Goowy
- IMunitive
- RadiusIM
- MessengerFX
- ICQ2Go!
- SNIMMER
- IMO
- Communicationtube
- Express Instan-t
- easymessenger
- mabber
- MSN2Go
- Yafumato Web Messenger
- MSN Web Messenger
- Yahoo! Web Messenger
- AIM Express
- Google Talk via Gmail







【手机上的即时通讯应用】

- Agile Messenger
- Eqo
- fring
- IM+
- OctroTalk
- QuickIM
- JiveTalk
- Causerie
- TipicME
- iSkoot
- MovaMessenger
- Turbo MSN
- Nimbuzz
- Heysan
- YehBA Mobile IM
- Palringo Vocal IM
- MT Messenger
- EpyxMobile
- GoTalkMobile
- MSN Mobile
- Mundu