1650 Open source projects that are alternatives of or similar to Zulip

A document management and version control plugin that allows teams of any size to collaboratively edit files and manage their workflow.

A deployable web platform for collaborative conversation, ideation & sense-making. Use it for free at

Realtime collaborative tool which can run custom applications in a Wiki page

Graylog alarm callback for Slack

Package clog is a channel-based logging package for Go

Symfony bundle integration of the nexylan/slack library.

A contact center built on Twilio, supporting voice calls, web chat, callback, Facebook Messenger and SMS chat

A PHP Framework For Creating Autonomous Slack Bots

Fundamentals of Spark with Python (using PySpark), code examples

Apache ECharts is a powerful, interactive charting and data visualization library for browser

Venom is the most complete javascript library for Whatsapp, 100% Open Source.

Laravel FREE E-Commerce Software

GitHub Deployments for Slack

Beautiful dark theme for slack 3, 4+. Apply theme by running one command 🌸

A website about french words for computer concepts.

A free programming font with cursive italics and ligatures. Donations welcome ❤️

Threat Feed Aggregation, Made Easy

Hide messages from users and bots, make Slack a Happy Place Again! 😁

sogeBot - Free Twitch Bot built on Node.js

A curated list of awesome forensic analysis tools and resources

A darker, more contrasty, Slack theme.

免费、高速的 V2Ray 代理和订阅。

A chatbot framework written in Go. All configurations are made in YAML files, or inside scripts written in your favorite language.

Virtual Office gives you transparency on what Zoom.us rooms are currently occupied and who is present

Public & Private message. MySQL & Firebase.

内网穿透，c++实现，无需公网IP，小巧，易用，快速，安全，最好的多链路聚合（p2p+proxy）模式，不做之一...这才是你真正想要的内网穿透工具！

Distributed web chat application base websocket built on akka.

Collaborative Visualization and Simulation Environment, OpenCOVER and OddLOT

Simple tool to configure Windows Filtering Platform (WFP) which can configure network activity on your computer.

Convenient Uncaught-Exception Handler Library For Testers and Developers. Copy, Share, Email, Save crash logs easily.

Apache Guacamole installation bash script for RHEL 7 and CentOS 7 including options for Nginx, HTTPS, SSL, LDAP, Let's Encrypt certificates and more

A browser extension that simplifies the Slack interface, making it easier to focus.

An addictive Jeopardy! bot for Slack. Fun fact, after I added this to my work Slack I was told to limit it to a single channel because productivity ground to a halt. (Five years later, the #jeopardy channel is still going strong.)

Notification dispatch library for Elixir applications

a Restful Api test tool

【重要通知：WebQQ将在2019年1月1日停止服务，此项目目前已停止维护，感谢大家四年来的一路陪伴】使用Perl语言（不会没关系）编写的smartqq/webqq客户端框架（非GUI），可通过插件提供基于HTTP协议的api接口供其他语言或系统调用

A Bootstrap HTML template for blog posts - created by Start Bootstrap

Start Bootstrap is an open source library of free Bootstrap themes and templates. All of the free themes and templates on Start Bootstrap are released under the MIT license, which means you can use them for any purpose, even for commercial projects.

i-MSCP Main Repository

Apache Geode

Create custom Slack notifications for CircleCI job statuses

Dumps state of Storm Kafka consumers

Prometheus exporter for Apache.

Free open source office suite with business productivity tools: document and project management, CRM, mail aggregator.

📲 Ionic Socket.IO chat client

🌈 Uma coleção com links de recursos gratuitos para desenvolvimentos e estudos.

👾 ASCII Roulette :: ascii art video chat on the cli

The Ultimate Competitve Factions Plugin. Switches focus from casual factions and introduces new features for competitive factions.

Google谷歌、Wikipedia维基百科、谷歌学术镜像2021年1月最新 新增各种镜像站

JavaScript SDK of QuickBlox cloud backend platform

Messages to slack from command line

The most powerful virtual list component for React

HedgeDoc - The best platform to write and share markdown.

The world's most advanced open source instant messaging engine for 100K~10M concurrent users https://turms-im.github.io/docs

聊天系统、Vue.js、React.js、node.js、MongoDB、websocket、socket.io、前后端分离、毕业设计。

Lightweight, no-dependency JavaScript library for creating Slack Block Kit UIs, with a builder syntax, inspired by SwiftUI.

A real time chat app for developers built using React, Redux, Electron and Firebase

ASP.NET Core 3.1 Beginners project template with complete Custom User Management and lot's of other useful Features Which Helps you for Rapid Application Development.

A rust crate for sending messages to Slack via webhooks

Armadito antivirus main repository