Tags
- Adium
- Backchannel
- Baidu
- Band
- Bbm enterprise
- BIP
- BitlBee
- Blog
- Briar
- Caller ID
- Centericq
- Chatbot
- Chat log
- ChatSecure
- Circuit
- Client
- Club
- Codec
- Contact list
- Conversations
- Cross-platform
- Dingtalk
- Discord
- Eating your own dog food
- Ekiga
- Element
- Emoticon
- FaceTime
- Finch
- FirstClass
- Flock!
- Free software
- Freeware
- Fuze
- G.711
- Gadu-Gadu
- Gajim
- Global IP Solutions
- GNU General Public License
- Google meet
- Google Talk
- Google Voice
- GroupMe
- GSM
- HipChat
- IChat
- ICQ
- ILBC
- IMessage
- IMVU
- Instant
- Instant messaging
- Instant Messaging and Presence Protocol
- Internet Relay Chat
- Jami
- Jingle
- Jitsi
- Jongla
- KakaoTalk
- Kik Messenger
- Kopete
- Lark
- Libon
- Line
- Linphone
- Linspire
- Linux
- LiveJournal
- MacOS
- Maemo
- Marco Polo
- Matrix
- Meebo
- Messages
- Messenger
- Messengers
- Michael Robertson
- Microsoft Teams
- Microsoft Windows
- Miranda Ng
- Most
- Mozilla Thunderbird
- Myspace IM
- Open source
- Operating system
- Peer-to-peer
- Phil Zimmermann
- Pidgin
- Popular
- Presence information
- Programmer
- Proprietary software
- Psi
- Public switched telephone network
- Quiet Internet Pager
- RetroShare
- Ricochet
- RingCentral
- Secure Real-time Transport Protocol
- Session
- Session Initiation Protocol
- Shift
- Signal
- Signal Protocol
- Simple
- Skype
- Skype for Business
- Slack
- SMS language
- Snapchat
- Snow
- Softphone
- Software categories
- Software license
- Software release life cycle
- Source
- Spark
- Status message
- Symbian
- Telecommunications network
- Telegram
- Tencent QQ
- The Palace
- The Register
- Threema
- TOC protocol
- Tox
- Trillian
- Viber
- Videotelephony
- Voice over IP
- Webcam
- Web chat
- Wickr
- Wire
- XMPP
- Yammer
- Zephyr
- Zoom Video Communications
- Zulip
- Μ-law algorithm