> For the complete documentation index, see [llms.txt](https://docs.overleaf.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.overleaf.com/integrations-and-add-ons.md).

# Integrations and add-ons

- [Integrations and add-ons](https://docs.overleaf.com/integrations-and-add-ons/integrations-and-add-ons.md)
- [Git integration and GitHub synchronization](https://docs.overleaf.com/integrations-and-add-ons/git-integration-and-github-synchronization.md)
- [Git integration](https://docs.overleaf.com/integrations-and-add-ons/git-integration-and-github-synchronization/git-integration.md)
- [Git integration authentication tokens](https://docs.overleaf.com/integrations-and-add-ons/git-integration-and-github-synchronization/git-integration/git-integration-authentication-tokens.md)
- [Advanced Git operations](https://docs.overleaf.com/integrations-and-add-ons/git-integration-and-github-synchronization/git-integration/advanced-git-operations.md)
- [GitHub synchronization](https://docs.overleaf.com/integrations-and-add-ons/git-integration-and-github-synchronization/github-synchronization.md)
- [Interacting with large Git repositories](https://docs.overleaf.com/integrations-and-add-ons/git-integration-and-github-synchronization/interacting-with-large-git-repositories.md): Overleaf users sometimes run into trouble synchronizing their large Git repositories with an Overleaf project. This page provides some guidance on how to manage this situation.
- [Synchronizing with a Git branch](https://docs.overleaf.com/integrations-and-add-ons/git-integration-and-github-synchronization/synchronizing-with-a-git-branch.md): While it is not possible to synchronize a project directly with a Git branch other than the default branch, indirect synchronization using a local Git clone is possible.
- [Dropbox](https://docs.overleaf.com/integrations-and-add-ons/dropbox.md)
- [Reference Manager integrations](https://docs.overleaf.com/integrations-and-add-ons/reference-manager-integrations.md): You can import bibliographic data from your favorite Reference Management tool in order to streamline citing and referencing in your Overleaf project.
- [ReadCube](https://docs.overleaf.com/integrations-and-add-ons/reference-manager-integrations/readcube.md)
- [Zotero](https://docs.overleaf.com/integrations-and-add-ons/reference-manager-integrations/zotero.md)
- [Mendeley](https://docs.overleaf.com/integrations-and-add-ons/reference-manager-integrations/mendeley.md)
- [R code (knitr)](https://docs.overleaf.com/integrations-and-add-ons/r-code-knitr.md)
- [AI features](https://docs.overleaf.com/integrations-and-add-ons/ai-features.md): Overleaf offers a range of AI features that are available for free within daily limits. You can go beyond these limits by purchasing one of our premium plans.
- [AI assistant](https://docs.overleaf.com/integrations-and-add-ons/ai-features/ai-assistant.md): AI assistant is a component of the AI Assist add-on that helps you use AI within your document.
- [Error Assist](https://docs.overleaf.com/integrations-and-add-ons/ai-features/error-assist.md): Error Assist explains LaTeX errors and suggests fixes directly in the editor. When a compile error occurs, you can ask Error Assist for an explanation and, in most cases, a suggested fix.
- [Grammarly](https://docs.overleaf.com/integrations-and-add-ons/grammarly.md)
- [Google Drive](https://docs.overleaf.com/integrations-and-add-ons/google-drive.md): While Overleaf does not provide a direct synchronization option with Google Drive, it is possible to pull content from Google Drive into Overleaf projects.


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