> For the complete documentation index, see [llms.txt](https://mariadb.com/docs/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://mariadb.com/docs/server/reference/product-development/mariadb-internals.md).

# MariaDB Internals

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This section contains background information, mostly aimed at engineers developing MariaDB features.
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[Merging into MariaDB](/docs/server/reference/product-development/mariadb-internals/mariadb-internals-documentation-merging-into-mariadb.md)
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Serves as the primary category overview explaining the processes and strategies used to merge various source trees into the MariaDB codebase.
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[MariaDB Source Code Internals](/docs/server/reference/product-development/mariadb-internals/mariadb-source-code-internals.md)
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Serves as the main landing page for articles detailing the low-level source code architecture and internal logic of the MariaDB server.
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[Using MariaDB with Your Programs (API)](/docs/server/reference/product-development/mariadb-internals/using-mariadb-with-your-programs-api.md)
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This main page serves as a landing hub for developers looking to integrate MariaDB functionality into external applications using internal APIs.
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