These are some of the most common features that will impact your decision about whether or not to use a particular repository. There is no single repository that will meet all of your needs or have all of these features, so you will need to pick a few that are most important to you.
Hosting refers to whether or not the OER can be uploaded to the repository directly. It not, then the resource must live elsewhere (ex. a personal website) and a link is put in the repository.
Ask yourself: Do I want people to access my OER from the repository, or from somewhere else?
Some repositories require its items to have a specific license attached to them. Most repositories will accept a range of licenses, but there are some that are more specific.
Ask yourself: How flexible am I about the license I have chosen for my OER?
Peer review is offered by some repositories as a service. In most cases, having your resource peer reviewed is not required.
Ask yourself: Do I want my OER to be peer reviewed?
Sometimes a repository will have accessibility guidelines for their resources. Some repositories will have special features such as being able to upload multiple formats, video players, or embedded viewing.
Ask yourself: What accessibility features do I want to ensure are available?
If the repository is indexed, it will show up within an overarching search engine (ex. Google or Summon) which in turn makes its resources more findable.
Ask yourself: How important is it that the resource is indexed for searching?
Analytics refers to whether the repository tracks data and is able to provide information about how the resource is performing (ex. number of downloads, citations).
Ask yourself: Do I want metrics to track how my OER is performing?
Some repositories are more stable than others or offer archiving services to ensure the OER is preserved for future use.
Ask yourself: How important is it that this resource is archived?
After you have a good idea of what features are the most important to you, this guide can help you decide which repository is best for you. The chart below compares some of the largest and most well-known repositories, but there are many more.