100 Communication systems software solutions and projects
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Mattermost
9.8 9.9 L1 TypeScriptMattermost is an open source platform for secure collaboration across the entire software development lifecycle.. -
Reddit
9.7 0.0 L2 PythonDISCONTINUED. Social networking and news website where registered community members can submit content. -
Zulip
9.7 10.0 L2 PythonZulip server and web application. Open-source team chat that helps teams stay productive and focused. -
Jitsi Meet
9.7 9.8 L4 TypeScriptJitsi Meet - Secure, Simple and Scalable Video Conferences that you use as a standalone app or embed in your web application. -
ZeroNet
9.5 0.0 JavaScriptZeroNet - Decentralized websites using Bitcoin crypto and BitTorrent network -
Chatwoot
9.5 9.8 RubyOpen-source live-chat, email support, omni-channel desk. An alternative to Intercom, Zendesk, Salesforce Service Cloud etc. 🔥💬 -
Mail-in-a-Box
9.2 8.8 L3 PythonMail-in-a-Box helps individuals take back control of their email by defining a one-click, easy-to-deploy SMTP+everything else server: a mail server in a box. -
Postal
9.1 9.5 Ruby📮 A fully featured open source mail delivery platform for incoming & outgoing e-mail -
Listmonk
9.1 9.2 GoHigh performance, self-hosted, newsletter and mailing list manager with a modern dashboard. Single binary app. -
Tinode
9.1 7.4 GoInstant messaging platform. Backend in Go. Clients: Swift iOS, Java Android, JS webapp, scriptable command line; chatbots -
docker-mailserver
9.0 8.7 ShellDISCONTINUED. A fullstack but simple mail server (SMTP, IMAP, LDAP, Antispam, Antivirus, etc.) using Docker. [Moved to: https://github.com/docker-mailserver/docker-mailserver] -
Gotify
8.8 6.5 GoA simple server for sending and receiving messages in real-time per WebSocket. (Includes a sleek web-ui) -
Mailpile
8.8 4.0 L2 PythonA free & open modern, fast email client with user-friendly encryption and privacy features -
HumHub
8.6 9.3 L4 PHPHumHub is an Open Source Enterprise Social Network. Easy to install, intuitive to use and extendable with countless freely available modules. -
Centrifugo
8.5 8.9 GoScalable real-time messaging server in a language-agnostic way. Self-hosted alternative to Pubnub, Pusher, Ably. Set up once and forever. -
ejabberd
8.5 9.7 ErlangRobust, Ubiquitous and Massively Scalable Messaging Platform (XMPP, MQTT, SIP Server) -
Berty
8.4 8.3 GoBerty is a secure peer-to-peer messaging app that works with or without internet access, cellular data or trust in the network -
Mail For Good
8.3 0.0 JavaScriptDISCONTINUED. An open source email campaign management tool for nonprofits -
Tutanota makes encryption easy
8.2 9.9 TypeScriptTuta is an email service with a strong focus on security and privacy that lets you encrypt emails, contacts and calendar entries on all your devices. -
Patchwork
7.9 8.6 JavaScriptDISCONTINUED. A decentralized messaging and sharing app built on top of Secure Scuttlebutt (SSB). -
Jitsi Video Bridge
7.7 8.5 L1 KotlinJitsi Videobridge is a WebRTC compatible video router or SFU that lets build highly scalable video conferencing infrastructure (i.e., up to hundreds of conferences per server). -
Vanilla Forums
7.5 5.0 L2 PHPVanilla is a powerfully simple discussion forum you can easily customize to make as unique as your community. -
Kamailio
7.3 9.9 L2 CKamailio - The Open Source SIP Server for large VoIP and real-time communication platforms - -
phpBB
7.1 9.7 L2 PHPphpBB Development: phpBB is a popular open-source bulletin board written in PHP. This repository also contains the history of version 2. -
Hubl.in
7.1 0.5 L3 JavaScriptDISCONTINUED. DEPRECATED - An easy and free video conference service based on WebRTC -
formspree
7.0 0.0 L3 PythonDISCONTINUED. The successor to this repository is actively maintained at https://formspree.io. Its source code is not available -
Rallly
7.0 9.6 TypeScriptRallly is an open-source scheduling and collaboration tool designed to make organizing events and meetings easier. -
Misago
7.0 8.5 PythonMisago is fully featured modern forum application that is fast, scalable and responsive. -
Live Helper Chat
7.0 9.8 L3 PHPLive Helper Chat - live support for your website. Featuring web and mobile apps, Voice & Video & ScreenShare. Supports Telegram, Twilio (whatsapp), Facebook messenger including building a bot. -
WBO
6.5 6.1 JavaScriptOnline collaborative Whiteboard that is simple, free, easy to use and to deploy -
MongooseIM
6.5 9.8 ErlangMongooseIM is Erlang Solutions' robust, scalable and efficient XMPP server, aimed at large installations. Specifically designed for enterprise purposes, it is fault-tolerant and can utilise the resources of multiple clustered machines. -
RetroShare
6.3 9.4 L1 C++RetroShare is a Free and Open Source cross-platform, Friend-2-Friend and secure decentralised communication platform. -
Node-Chat
6.2 0.0 L2 JavaScript:speech_balloon: Chat application built with NodeJS and Material Design -
OSSN
6.2 9.3 L3 PHPOpen Source Social Network (OSSN) is a social networking software written in PHP. It allows you to make a social networking website and helps your members build social relationships, with people who share similar professional or personal interests. It is available in 17 international languages. -
Kazoo
6.1 2.9 ErlangThe core of an open-source, distributed, highly scalable platform designed to provide robust telecom services -
FusionPBX
6.1 9.9 PHPOfficial FusionPBX - A full-featured domain based multi-tenant PBX and voice switch for FreeSwitch. -
Twake
6.1 4.9 TypeScriptTwake is a secure open source collaboration platform to improve organizational productivity.
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* Code Quality Rankings and insights are calculated and provided by Lumnify.
They vary from L1 to L5 with "L5" being the highest.