# AppSignal Documentation

> AppSignal documentation: install and configure application performance monitoring, error tracking, logging, and uptime checks for Ruby, Elixir, Node.js, Python, and more.

- [AppSignal Documentation (508 pages)](https://docs.appsignal.com/_llms/en/app-signal-documentation.txt): Documentation for AppSignal Documentation.

## Optional

- [Startups](https://www.appsignal.com/startups)
- [Blog](https://blog.appsignal.com)
- [Changelog](https://www.appsignal.com/changelog)
- [Support](mailto:support@appsignal.com)

> The links below point to documentation indexes. Follow each `/_llms/` index recursively until you reach documentation pages.

## Indexes

- [English / AppSignal Documentation (508 pages)](https://docs.appsignal.com/_llms/en/app-signal-documentation.txt): Documentation for English / AppSignal Documentation.
- [English / AppSignal Documentation / SDKs & telemetry (268 pages)](https://docs.appsignal.com/_llms/en/app-signal-documentation/sdks-and-telemetry.txt): Documentation for English / AppSignal Documentation / SDKs & telemetry.
- [Brazilian Portuguese (0 pages)](https://docs.appsignal.com/_llms/pt-br.txt): Documentation for Brazilian Portuguese.
- [French (0 pages)](https://docs.appsignal.com/_llms/fr.txt): Documentation for French.
- [German (0 pages)](https://docs.appsignal.com/_llms/de.txt): Documentation for German.


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