With a wide variety of plugins, Slack is more than just a way for teams to communicate online. Slack is a collaboration software that allows teams to create channels for dialogue, conduct video and voice calls, integrated file sharing, and more.
Slack has a free version as well as tiered paid versions. Luckily, the free version is fairly robust.
Anyone may download and install Slack for free from the product website https://slack.com/downloads/
Technical requirements, tutorials, and product details may be found at https://slack.com/