Integrates Seamlessly with the Tools You Love Context switching can slow down even the fastest moving development teams. With powerful functionality and flexible developer options to integrate , connect , customize and extend the platform to fit your environments and unique workflows, Mattermost helps keep your team focused on the work, not toggling between tools. Apps Framework Interactive Messages Plugins REST API Slash Commands Modify Source Code Custom Bots Webhooks Zapier Support Developer toolkit to customize the user experience with lightweight add-ons that support complex user interactions via simple HTTP commands. Use interactive message buttons and menus directly in a channel with webhooks, custom slash commands, and plugins. Completely customize the user experience with deep, fully-integrated plugins written in Go. Build bots and other interactions for users, channels, and everything else that happens on your Mattermost server via a modern REST API that meets the OpenAPI specification. Turn any channel into a CLI — use built-in or custom slash commands to execute custom actions directly in the Mattermost UI. Modify source code to customize Mattermost to meet your specific needs. Deploy interactive bots to issue commands and receive responses directly in a channel. Build your own bot or browse what the community has to offer. Post to channels or listen for new messages with incoming & outgoing webhooks. Mattermost supports Zapier to enable connection to over 700 public cloud services, like Email, Gmail, GitHub, Jira, BitBucket, and Confluence.