Merge pull request #20 from collective/debugtoolbar

README.md

@@ -202,6 +202,7 @@ _A list of authentication plugins, to integrate Plone with external user , Impor
 _Add-ons that help developing Plone_
 
 * [Products.PDBDebugMode](https://github.com/collective/Products.PDBDebugMode) - Post-mortem debugging: open a pdb session whenever an exception occurs so you you can find out what is going wrong. Plus: By adding /pdb to a url you end up you in a pdb session on the current context. A killer tool for developers.
+* [plone.app.debugtoolbar](https://github.com/plone/plone.app.debugtoolbar) - A toolbar that shows a wealth of debug information about a running Plone site and the content you are inspecting. Also includes a interactive python-shell, a TALES-expression evaluator and and code-reload.
 * [plone.reload](https://github.com/plone/plone.reload) - Code and configuration reload without server restarts.
 * [Products.PrintingMailHost](https://github.com/collective/Products.PrintingMailHost) - Log mail messages instead of sending mail.
 * [experimental.gracefulblobmissing](https://github.com/collective/experimental.gracefulblobmissing/) - Gracefully handle missing binary files in Plone.