There are multiple sources such as Softopedia where you can download Calibre. Each of these plugins have their own GitHub repository and are trusted within the Calibre community. If you are interested, I have a list of my favorite Calibre Plugins that I use to get the best out of Calibre. It’s important to understand that these plugins are not part of the original Calibre open-source project, but some of them have been developed by software engineers within the same community.Īs such, they should be treated as third-party extensions and should only be downloaded if they are recommended by Calibre themselves or if they have a GitHub repo that allows others to view the source code. These are essentially addons which enhance the functionality of Calibre. Calibre Plugin’sĪs well as the Calibre management tool, you can also install several Calibre plugins. Calibre has an extremely popular user forum and Facebook community page where you can discuss some of the latest features or get help with any issues you may have. You don’t have to be a software engineer to get involved. It is this level of transparency that makes open-source projects such as Calibre completely safe to use.

Each developer can submit changes to the source code, but it is up to the community, including the original author Kovid Goyal, to approve whether the changes are submitted. This may sound odd but for software developers working in a team it’s perfectly normal.

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