Merge pull request #97 from bkmgit/patch-2

Add information on GitLab, Bitbucket and Gitee

Author: dcmcand

_episodes/01-what-is-git.md

@@ -43,7 +43,7 @@ Git was originally developed to help software developers work collaboratively on
 * Enables you to contribute to, collaborate on, and support digital research projects 
 * Enables you to control changes to your files over time without keeping multiple copies of those files
 
-**_GitHub_** on the other hand is a popular website for hosting and sharing Git repositories remotely. It offers a web interface and provides functionality and a mixture of both free and paid services for working with such repositories. The majority of the content that GitHub hosts is open source software, though increasingly it is being used for other projects such as open access journals (e.g. [Journal of Open Source Software](https://joss.theoj.org/)), blogs, and regularly updated text books. 
+**_GitHub_** on the other hand is a popular website for hosting and sharing Git repositories remotely. It offers a web interface and provides functionality and a mixture of both free and paid services for working with such repositories. The majority of the content that GitHub hosts is open source software, though increasingly it is being used for other projects such as open access journals (e.g. [Journal of Open Source Software](https://joss.theoj.org/)), blogs, and regularly updated text books.  In addition to GitHub, there are other Git hosting services that offer many similar features such as [GitLab](https://about.gitlab.com/), [Bitbucket](https://bitbucket.org/) and [Gitee](https://gitee.com/).
 
 *How can GitHub help with work in libraries?* 
 * A place to discover and reuse ("fork") a huge amount of openly licensed digital projects and open source software