Messaging App
Browse 640 websites in this category • Page 27 of 32
Sites where Messaging App is a core feature are shown first, marked with a Core badge.
UnrealIRCd lets you run your own IRC chat server, offering free, open-source software for Windows and Linux to create real-time group conversations.
Slack lets teams chat, share files, and organize conversations in channels to make collaboration easy. Access on web or app for seamless teamwork.
Callmama lets you make cheap international calls, get virtual phone numbers, send SMS, and host video conferences—all in one easy-to-use platform.
LINE is a messaging app that lets you chat, call, and share with friends, plus enjoy social features and services all in one place.
Build custom blockchain apps with gamification, push notifications, and web3 social features. Integrate legacy systems and get ongoing support.
Blockscan Chat lets you send private messages directly between crypto wallets, making Web3 communication secure and easy without sharing personal info.
Mesibo lets you add real-time messaging, voice, and video calling to your apps. Access open-source code and flexible deployment for Android, iOS, and web.
Mattermost is a chat and collaboration platform where teams can communicate, share files, and work together in organized channels.
Retroshare lets you connect securely with friends to chat, share files, join forums, and more—all with privacy, no ads, and no central servers.
Make free international phone calls and connect with friends worldwide using VoipStunt's easy-to-use online calling platform.
Miranda NG is a customizable Windows messaging app that connects you to multiple chat networks in one place. Download plugins and join the community forum.
Scuttlebot is an open source, peer-to-peer log store that works as a secure database, identity provider, and encrypted messaging system.
Winlink lets you send and receive email worldwide via amateur radio, even when the internet is down. Ideal for emergency and disaster communications.
Sandboxx helps you connect with military recruits by sending letters, gift cards, and updates. Easily stay in touch and support loved ones in training.
HornetQ is a messaging platform for developers, offering downloads, documentation, and community forums to help you build reliable messaging apps.
MySudo is an all-in-one privacy app that lets you talk, text, email, browse, and pay securely, helping you protect your identity and digital life.
Accurx Switch helps healthcare teams communicate securely and share patient information quickly, streamlining coordination between medical professionals.