Communication Apps — Page 2

220 apps · most popular first · page 2 of 5

49TRIfATRIfA Tox ClientOpen source CommunicationGet50SmsMatrixMatrix SMS bridgeOpen source CommunicationGet51Status IM - LegacyConnect Private Finance & Web3Open source CommunicationGet52Nextcloud SMSSynchronize your SMS messages with ownCloudOpen source CommunicationGet53ZulipOpen-source team chat that helps teams stay productive and focusedOpen source CommunicationGet54SpamBlocker Extended (Call/SMS/Notification)Spam Call/SMS/Notification blockerOpen source CommunicationGet55KryfoPrivate messages over Tor. No phone number, no account, no metadata trail.Open source CommunicationGet56SSilenceBlock unknown callersOpen source CommunicationGet57Revolution IRCThe next-generation IRC clientOpen source CommunicationGet58FFöhnixThe Foehnix weather widget aims at helping pilots with weather conditionsOpen source CommunicationGet59Briar MailboxReceive encrypted messages while Briar is offlineOpen source CommunicationGet60Nextcloud TalkHave private video calls and chat using your own server.Open source CommunicationGet61LLoggerTrack, Analyze, and Manage Your CallsOpen source CommunicationGet62BlitzMailShare content and notes via emailOpen source CommunicationGet63SMS SchedulerLets you schedule an sms to be sent at a specific timeOpen source CommunicationGet64Tuta MailEncrypted email & calendar service - easy to use, secure by design.Open source CommunicationGet65MMessagesSimple, private SMS messaging. Offline-first, no ads, no tracking.Open source CommunicationGet66another.imYet Another Conversations fork but...Open source CommunicationGet67Peace of Mind+A flight-mode timerOpen source CommunicationGet68BbaresipVoIP and mobile calling and messaging app based on baresip libraryOpen source CommunicationGet69QUIK SMSOpen source replacement to the stock SMS app on Android. A revival of QKSMS.Open source CommunicationGet70Sterna MailPrivate email client for JMAP and IMAP/SMTP. No Google services, no tracking.Open source CommunicationGet71QuasseldroidChat comfortably. Everywhere. REQUIRES A QUASSEL COREOpen source CommunicationGet72MMeshengerVoice- and video phone App for off-the-grid scenarios.Open source CommunicationGet73Bbaresip+VoIP and mobile calling and messaging app based on baresip libraryOpen source CommunicationGet74Keep AliveNotify others if you haven't used your device in a given period of timeOpen source CommunicationGet75monocles chatis a full-featured XMPP chat clientOpen source CommunicationGet76LLibre Contacts BackupOffline and encrypted contact backupsOpen source CommunicationGet77IImapNotes3A notes and checklist app that synchronizes in your IMAP mailbox.Open source CommunicationGet78pcontactsSync Proton Mail contacts into the Android system address book.Open source CommunicationGet79SMS Import / ExportImports and exports SMS and MMS messages and other data.Open source CommunicationGet80Keep Alive LiteNotify others if you haven't used your device in a given period of timeOpen source CommunicationGet81DuettoA tiny Discord for two, on your own server: a permanent voice and video channel.Open source CommunicationGet82KryptosEncrypt inside any messenger: the keyboard encrypts, the screen decryptsOpen source CommunicationGet83Privacy CellVerify that a phone is using the most secure cell protocols.Open source CommunicationGet84SnikketPersonal messaging app for groups, with a self-hostable open-source serverOpen source CommunicationGet85SaracrocheBlock unwanted spam calls and SMS, and protect your privacyOpen source CommunicationGet86Solid ShareFiles, contacts and passes on your own Solid pod, shared on your termsOpen source CommunicationGet87Infomaniak MailThe secure messaging service for your emailsOpen source CommunicationGet88Infomaniak kMeetFree and secure videoconferencing solutionOpen source CommunicationGet89ForkgramForkgram is a fork of the official Telegram for Android application.Open source CommunicationGet90Deku SMSDekuSMS is an SMS app that supports end to end encryption, cloud forwarding andOpen source CommunicationGet91ArcaneChat⚡ Fast encrypted chats for the family 🎉Open source CommunicationGet92Global SendAnonymous messaging with encryption & direct connectionOpen source CommunicationGet93SSmsReplyAutomatic SMS replies with customizable templatesOpen source CommunicationGet94CheogramChat on the Jabber network (XMPP protocol); focus on features for gateway usersOpen source CommunicationGet95VVibeVibrate on a call answer or endOpen source CommunicationGet96YYet Another Call BlockerBlock unwanted calls effortlesslyOpen source CommunicationGet