How to: Collaboration and Team Tools
* [Adium](https://adium.im/) - Free instant messaging application for Mac OS X. Connect to AIM, MSN, SMPP, Yahoo and more. ![Freeware][Freeware Icon]
* [BlurScreen App](https://www.blurscreen.app) - Blur sensitive data instantly anywhere on screen, while recording or screen sharing. No post editing required.
* [Caprine](https://github.com/sindresorhus/caprine) - Third-party privacy-focused Facebook Messenger app. ![Open-Source Software][OSS Icon] ![Freeware][Freeware Icon]
* [DingTalk](https://www.dingtalk.com/en) - Free, powerful and professional office tool used by over 5 million enterprises and organizations globally. ![Freeware][Freeware Icon]
* [Discord](https://discordapp.com/) - All-in-one voice and text chat for gamers that's free, secure, and works on both your desktop and phone.
* [Element](https://element.io/) - Create, share communicate. Chat and call securely. [![Open-Source Software][OSS Icon] ![Freeware][Freeware Icon]](https://github.com/vector-im)
* [Ferdium](https://ferdium.org/) - Desktop app that helps you organize how you use your favourite apps by combining them into one application. It is based on Franz with the difference that Ferdium gives you many additional features and doesn't restrict its usage. [![Open-Source Software][OSS Icon] ![Freeware][Freeware Icon]](https://github.com/ferdium/ferdium-app)
* [Franz](http://meetfranz.com/) - [Electron](http://electron.atom.io/) based, multi-protocol wrapper for web-based chat. One application, 23 messenger services. ![Freeware][Freeware Icon]
* [Gitter](https://gitter.im) - Instant messaging and chat room system for developers as well as GitHub users. Developer friendly with Markdown syntax support.
* [Keybase](https://keybase.io/) - Secure groups, files, and chat for everyone! [![Open-Source Software][OSS Icon]](https://github.com/keybase) ![Freeware][Freeware Icon]
* [Krisp](https://krisp.ai/) - An AI-powered noise cancelling app that mutes background noise during calls.
* [Lark](https://www.larksuite.com/en_us/) - The Next-Gen Collaboration Suite. All your chats, meetings, calendars, docs, and emails in one place. ![Freeware][Freeware Icon]
* [LimeChat](http://limechat.net/mac/) - Open-source IRC client for Mac OS X. [![Open-Source Software][OSS Icon] ![Freeware][Freeware Icon]](https://github.com/psychs/limechat)
* [Mastodon](https://mastodon.social/) - Your self-hosted, globally interconnected microblogging community [![Freeware][Freeware Icon]](https://joinmastodon.org/apps) [![Open-Source Software][OSS Icon]](https://github.com/mastodon/mastodon)
* [Matrix](https://matrix.org/) - An open network for secure, decentralised communication! ![Freeware][Freeware Icon] ![Open-Source Software][OSS Icon]
* [Mattermost](https://mattermost.com/download/) - Mattermost is an open source platform for secure collaboration across the entire software development lifecycle. [![Open-Source Software][OSS Icon]](https://github.com/mattermost/mattermost) ![Freeware][Freeware Icon]
* [Misskey](https://misskey-hub.net/) - 🌎 A completely free and open interplanetary microblogging platform 🚀 [![Open-Source Software][OSS Icon]](https://github.com/misskey-dev/misskey)
* [Muzzle](https://muzzleapp.com/) - A simple mac app to silence embarrassing notifications while screensharing.
* [Presentify](https://presentify.compzets.com/) - A mac app to draw on your screen while on calls, highlight your cursor, and more. ![App Store][app-store Icon]
* [Rambox](http://rambox.pro/) - Messaging and emailing app that combines common web applications into one. [![Open-Source Software][OSS Icon]](https://github.com/saenzramiro/rambox) ![Freeware][Freeware Icon]
* [Signal Desktop](https://signal.org/download/) - Fast, simple, secure. Privacy that fits in your pocket. [![Open-Source Software][OSS Icon]](https://github.com/signalapp/Signal-Desktop)
* [Slack](https://slack.com/downloads/mac) - Awesome tool for team collaboration and communication. ![Freeware][Freeware Icon]
* [Stack](https://getstack.app/) - Open, organize and use multiple web apps on a single screen. Stack your apps by categories or projects.
* [Teams](https://teams.live.com/) - Free online meetings and video calls
* [Teambition](https://www.teambition.com) - Team collaboration tool, including many features like task plan, schedule, file sharing, instant discussion and everything you need when collaborating with other team members. ![Freeware][Freeware Icon]
* [Telegram](https://desktop.telegram.org) - Messaging app with a focus on speed and security. [![Open-Source Software][OSS Icon]](https://github.com/overtake/TelegramSwift) [![App Store][app-store Icon]](https://itunes.apple.com/us/app/telegram/id747648890?mt=12)
* [Textual](https://apps.apple.com/us/app/textual-7/id1262957439) - Internet Relay Chat (IRC) client. [![Open-Source Software][OSS Icon]](https://github.com/Codeux-Software/Textual) [![App Store][app-store Icon]](https://itunes.apple.com/us/app/telegram/id747648890)
* [Unite](https://furnacecreek.org