EntityQ15989676· pop 19· linked from 231 articlesToxSign in to savedistributed protocol for telephony and instant messagingConnectionsTelegram (software)ConceptVoice over IPEntityinstant messagingEntityonline chatEntitywireless communicationEntityInformation AgeEntityvideotelephonyEntityQ279182Entitycomparison of cross-platform instant messaging clientsEntityInternetEntityThomas EdisonEntityNikola TeslaEntitytelephoneEntityLinuxEntityoperating systemEntityMicrosoft WindowsEntitymass mediaEntityQ15777EntityInstagramConceptTim Berners-LeeEntityCategories2013 softwareAndroid (operating system) softwareCommunication softwareCross-platform softwareDistributed computingFree communication softwareFree instant messaging clientsFree software programmed in CInstant messaging clientsInstant messaging clients for LinuxInstant messaging clients that use GTKIOS software