Slack is a cloud-based instant messaging and collaboration platform designed for teams and organizations to communicate and work together efficiently. It offers features such as channels, direct messaging, file sharing, and integration with various third-party applications. Slack is available on desktop and mobile devices, and has become a popular tool for remote work and team collaboration. It was released in August 2013 by Slack Technologies.
Rocket.Chat 是特性最丰富的 Slack 开源替代品之一。 主要功能：群组聊天，直接通信，私聊群，桌面通知，媒体嵌入，链接预览，文件上传，语音/视频 聊天，截图等等
The fastest knowledge base for growing teams. Beautiful, realtime collaborative, feature packed, and markdown compatible.
翻译 - 成长中团队的最快的Wiki和知识库。美观，功能丰富且兼容Markdown。
Zulip server and web application. Open-source team chat that helps teams stay productive and focused.
翻译 - Zulip服务器-强大的开源团队聊天
dbt enables data analysts and engineers to transform their data using the same practices that software engineers use to build applications.
翻译 - dbt（数据构建工具）使数据分析人员和工程师可以使用软件工程师用于构建应用程序的相同方法来转换数据。
bridge between mattermost, IRC, gitter, xmpp, slack, discord, telegram, rocketchat, twitch, ssh-chat, zulip, whatsapp, keybase, matrix, microsoft teams, nextcloud, mumble, vk and more with REST API (m...
翻译 - 使用REST API在REST，API，IRC，Gitter，XMPP，Slack，Discord，Telegram，Rocketchat，Steam，Twitch，ssh-chat，zulip，whatsapp，keybase，matrix，Microsoft团队等之间建立桥梁（不需要大多数！）
Slack client for your terminal
翻译 - 终端的松弛客户端
Slack Developer Kit for Python
翻译 - Slack Python SDK https://slack.dev/python-slackclient/
开发友好的告警事件响应管理工具，旨在帮助团队改进协作并更快地解决事件
Lightweight Google-searchable Slack alternative for Communities
Save or export your private and public Slack messages, threads, files, and users locally without admin privileges.
The open source CSV importer
