# Mattermost is an open source, on-prem Slack Alternative

Mattermost modernizes team communication without locking in your data to a single provider. 

Offer your end users messaging and file sharing across PCs and phones with archiving and instant search--without losing control of your data. 

## Features 

### Sharing Messaging and Files

- Send messages and comments across public, private and 1-1 channels
- Personalize notifications for unreads and mentions by channel and keyword
- Share files and images internally and externally

### Archiving and Search 

- Search archives across channels for historical messages and comments 
- Use #hashtags to tag and recall messages, threads and files
- View recent mentions of your name and custom search terms

### Anywhere Access

- Use Mattermost from web-enabled PCs and phones
- Attach sound, video and image files from mobile devices 
- Define team-specific color themes across your devices

## Learn More

- [Product Vision and Target Audiences](http://www.mattermost.org/vision/) - What we're solving and for whom are we building
- [Mattermost Forum](http://forum.mattermost.org/) - For technical questions and answers
- [Issue Tracker](http://www.mattermost.org/filing-issues/) - For reporting bugs
- [Feature Ideas Forum](http://www.mattermost.org/feature-requests/) - For sharing ideas for future versions 
- [Contributuion Guidelines](http://www.mattermost.org/contribute-to-mattermost/) - For contributing code or feedback to the project

Follow us on Twitter at [@MattermostHQ](https://twitter.com/mattermosthq).

# Installing Mattermost

Depending on your needs, there are multiple ways to install Mattermost: 

### Product Evaluation 

- [Local Machine Install and Upgrade with Docker](doc/install/single-container-install.md) - Explore product functionality using a single-container Docker install on a local machine, including Mac OSX, Ubuntu, or Arch Linux). Optionally set up email and upgrade your instance using DockerHub. 

- [AWS EBS Install and Upgrade with Docker](doc/install/aws-ebs-setup.md) - Explore product functionality using a single-container Docker install for Amazon Web Services Elastic Beanstalk. Optionally set up email and upgrade your instance using DockerHub. 

### Development 

- [Developer Machine Setup](scripts/README_DEV.md) - Setup your local machine development environment using Docker on Mac OSX or Ubuntu. 
 
### Production Deployment 

- [GitLab Mattermost Production Installation](https://about.gitlab.com/downloads/) - Install Mattermost for production environments bundled with GitLab, a leading open source Git repository, using an omnibus package for Ubuntu 12.04, Ubuntu 14.04, Debian 7, Debian 8, and CentOS 6 (and RedHat/Oracle/Scientific Linux 6), CentOS 7 (and RedHat/Oracle/Scientific Linux 7). 

Any issues at all, please let us know on the Mattermost forum at: http://forum.mattermost.org