> For the complete documentation index, see [llms.txt](https://theiotlearninginitiative.gitbook.io/embedded-linux/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://theiotlearninginitiative.gitbook.io/embedded-linux/application-development/messaging.md).

# Messaging

## Slack

> A messaging app for teams who are changing the world [Homepage](https://slack.com/)

## Trello

> Trusted by millions, Trello is the visual collaboration tool that creates a shared perspective on any project. [Trello](https://trello.com/)