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

# Development Tools

- [Logging & Debugging](https://docs.substreams.dev/reference-material/development-tools/log-and-debug.md)
- [Testing](https://docs.substreams.dev/reference-material/development-tools/testing.md)
- [Dev Container Reference](https://docs.substreams.dev/reference-material/development-tools/devcontainer-ref.md): Substreams Dev Container Reference