diff --git a/_includes/toc.html b/_includes/toc.html
index 39501f8cd..71557d8cc 100644
--- a/_includes/toc.html
+++ b/_includes/toc.html
@@ -14,7 +14,7 @@
Yahoo! dita-users group
DITA-OT Users Google Group
- DITA-OT Development Group
+ DITA-OT Development on Slack
OASIS DITA Technical Committee
Colophon
diff --git a/contributing.md b/contributing.md
index fabeb7ded..dd5a92da3 100644
--- a/contributing.md
+++ b/contributing.md
@@ -15,21 +15,25 @@ Before you do that, [review the open issues][1] to make sure it hasn't already b
You can help give back to the community by answering DITA-OT–related questions on the [DITA-OT Users Google Group][5], the [Yahoo! dita-users group][6] or [StackOverflow][7].
-Developers and vendors using the toolkit are encouraged to join the [DITA-OT Development Google Group][8] list. This mailing list is used to discuss upcoming changes that may impact developers or vendors.
+## Development discussions
+
+We use [Slack][8] to discuss DITA-OT development and design issues, plan events and keep tabs on revisions in our GitHub repositories. Developers and vendors using the toolkit are encouraged to join the [DITA-OT Slack team][9] to discuss upcoming changes.
+
+To request an invitation and join the conversation, visit [slack.dita-ot.org][10].
## Coding
_Have XSLT or Java coding skills?_
-You can contribute fixes to [bugs][9] or new features by sending [pull requests][10] via GitHub.
+You can contribute fixes to [bugs][11] or new features by sending [pull requests][12] via GitHub.
## Documentation
_Have writing or editing skills?_
-If you find something wrong or missing in the [documentation][11], you can [open an issue on GitHub][12] to describe the problem or suggest new topics we might want to include in future versions of the DITA-OT docs.
+If you find something wrong or missing in the [documentation][13], you can [open an issue on GitHub][14] to describe the problem or suggest new topics we might want to include in future versions of the DITA-OT docs.
-If you'd like to fix a typo or propose changes to an existing topic, you can use the **Edit this page** link in the page footers of the [development version of the documentation][11] to open the source file in a web editor and save your changes to a GitHub [pull request][10].
+If you'd like to fix a typo or propose changes to an existing topic, you can use the **Edit this page** link in the page footers of the [development version of the documentation][13] to open the source file in a web editor and save your changes to a GitHub [pull request][12].
{% include DCO.md %}
@@ -40,8 +44,10 @@ If you'd like to fix a typo or propose changes to an existing topic, you can use
[5]: https://groups.google.com/d/forum/dita-ot-users
[6]: https://groups.yahoo.com/neo/groups/dita-users/info
[7]: http://stackoverflow.com/questions/tagged/dita-ot
-[8]: https://groups.google.com/d/forum/dita-ot-dev
-[9]: https://github.com/dita-ot/dita-ot/labels/bug
-[10]: https://help.github.com/articles/using-pull-requests
-[11]: http://www.dita-ot.org/dev/
-[12]: https://github.com/dita-ot/docs/issues/new
+[8]: https://slack.com
+[9]: https://dita-ot.slack.com
+[10]: http://slack.dita-ot.org
+[11]: https://github.com/dita-ot/dita-ot/labels/bug
+[12]: https://help.github.com/articles/using-pull-requests
+[13]: http://www.dita-ot.org/dev/
+[14]: https://github.com/dita-ot/docs/issues/new
diff --git a/management.html b/management.html
index da2300fe3..53263feb9 100644
--- a/management.html
+++ b/management.html
@@ -47,8 +47,7 @@ DITA Open Toolkit release management
The DITA-OT project works with an agile development process; it releases test builds via a continuous integration process, and it encourages feedback on the test builds while
features are being developed. Stable releases are typically issued approximately every six months.
Each iteration begins with a meeting of project contributors. The meeting minutes are stored on the project wiki and are available to the public. Active contributors are directly
- invited to these meetings, but anybody interested in the DITA-OT development is welcome to attend. If you are interested in attending these meetings, join the dita-ot-developer
- mailing list and send a note to the list or list owners.
+ invited to these meetings, but anybody interested in the DITA-OT development is welcome to attend. If you are interested in attending these meetings, join the DITA-OT team on Slack and request an invitation.
Each iteration kick-off meeting covers the following topics:
- Issues from the previous iteration