10

8

6

4

2


9.9

9.9
Rocket.Chat

9.8

9.7
Mattermost

9.8

9.8
Jitsi Meet

9.7

7.3
ZeroNet

9.7

10.0
Zulip

9.3
0.0
Lets-Chat

40 Custom software solutions and projects

  • Rocket.Chat

    9.9 9.9 L3 JavaScript
    The ultimate Free Open Source Solution for team communications.

  • Mattermost

    9.8 9.7 L1 Go
    Open source Slack-alternative in Golang and React - Mattermost

    • Scout APM uses tracing logic that ties bottlenecks to source code so you know the exact line of code causing performance issues and can get back to building a great product faster.
    Sponsored scoutapm.com

  • Jitsi Meet

    9.8 9.8 L4 JavaScript
    Jitsi Meet - Secure, Simple and Scalable Video Conferences that you use as a standalone app or embed in your web application.

  • ZeroNet

    9.7 7.3 JavaScript
    ZeroNet - Decentralized websites using Bitcoin crypto and BitTorrent network

  • Zulip

    9.7 10.0 L2 Python
    Zulip server and webapp - powerful open source team chat

  • Lets-Chat

    9.3 0.0 L5 JavaScript
    Self-hosted chat app for small teams

  • Tox

    9.3 0.0 L3 C
    The future of online communications.

  • Synapse

    9.1 9.9 L3 Python
    Synapse: Matrix reference homeserver

  • Vector

    9.0 9.7 L4 HTML
    A glossy Matrix collaboration client for the web.

  • Centrifugo

    8.5 8.0 Go
    Scalable real-time messaging server in language-agnostic way. Set up once and forever.

  • Mumble

    8.4 9.8 L1 C++
    Mumble is an open-source, low-latency, high quality voice chat software.

  • Actor

    8.3 0.0 L2 Java
    Actor Messaging platform

  • Jitsi Video Bridge

    8.0 9.0 L1 Java
    Jitsi 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).

  • Friends

    7.9 0.0 L4 JavaScript
    P2P chat powered by the web.

  • Kandan

    7.8 0.0 JavaScript
    Kandan is an Open Source Alternative to HipChat

  • hack.chat

    7.5 0.0 L3 JavaScript
    A minimal, distraction-free chat application.

  • Live Helper Chat

    7.4 9.7 L3 PHP
    Live 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.

  • TextBelt

    7.4 2.4 L3 JavaScript
    Free API for outgoing SMS

  • Hubl.in

    7.1 0.5 L3 JavaScript
    DEPRECATED - An easy and free video conference service based on WebRTC

  • Node-Chat

    6.6 0.0 L2 JavaScript
    :speech_balloon: Chat application built with NodeJS and Material Design

  • RetroShare

    6.6 9.7 L1 C++
    RetroShare is a Free and Open Source cross-platform, Friend-2-Friend and secure decentralised communication platform.

  • Spreed

    6.5 0.0 JavaScript
    WebRTC audio/video call and conferencing server.

  • Freenet

    5.8 8.1 L1 Java
    Freenet REference Daemon

  • Broid

    5.7 0.0 JavaScript
    Broid enables rich conversations on all messaging channels within a single schema integration using W3C standards.

  • Niltalk

    5.6 1.3 Go
    Instant, disposable, single-binary web based live chat server. Go + VueJS.

  • Scrollback

    5.5 0.0 L3 JavaScript
    Embeddable cross-platform chat for communities

  • Mibew

    5.3 7.2 PHP
    Mibew Messenger - open-source live support application

  • Hawkpost

    5.3 5.3 L5 Python
    Generate links that users can use to submit messages encrypted with your public key.

  • MiAOU

    4.7 4.6 L3 JavaScript
    A chat server with OAuth2 authentication, persistent and searchable history, video and audio, markdown formatting, private and public rooms, stars, votes, embedded games, and many other features

  • Spectrum 2

    4.5 5.5 C++
    Spectrum 2 IM transports

  • Tuber

    4.4 0.3 L3 JavaScript
    Peer-to-Peer Video Chat for Corporate LANs

  • Rallly

    4.0 2.8 SCSS
    Rallly is a free collaborative scheduling service

  • Pushjet

    3.8 0.0 L5 Python
    The Pushjet server software

  • Cherry

    3.6 0.0 Go
    A tiny webchat server in Go.

  • Ring

    3.3 8.7 L3 Shell
    All-in-one Ring repository

  • Matrix Console Web

    2.6 0.0 L3 JavaScript
    A web client meant to be a showcase of Matrix capabilities, and reference implementation of the Matrix standard.

  • KChat

    2.3 3.5 PHP
    PHP Based Live Chat Aplication

  • Syndie

    2.2 0.0 L1 Java
    Syndie is an open source system for operating distributed forums, offering a secure and consistent interface to various anonymous and non-anonymous content networks.

  • GNUNet

    2.0 9.8 L2 C
    Free software framework for decentralized, peer-to-peer networking.

  • Mumblecop

    1.1 -
    Stream audio from youtube and soundcloud, simulate dice rolls, or write your own commands with a simple plugin format.
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