diff --git a/doc/devdoc/ejabberd-devdoc.png b/doc/devdoc/ejabberd-devdoc.png
new file mode 100644
index 000000000..07dd2f9f0
Binary files /dev/null and b/doc/devdoc/ejabberd-devdoc.png differ
diff --git a/doc/devdoc/ejabberd-im.png b/doc/devdoc/ejabberd-im.png
new file mode 100644
index 000000000..bc284914f
Binary files /dev/null and b/doc/devdoc/ejabberd-im.png differ
diff --git a/doc/devdoc/ejabberd-p1.png b/doc/devdoc/ejabberd-p1.png
new file mode 100644
index 000000000..2d9b43861
Binary files /dev/null and b/doc/devdoc/ejabberd-p1.png differ
diff --git a/doc/devdoc/favicon.ico b/doc/devdoc/favicon.ico
new file mode 100644
index 000000000..d0dced107
Binary files /dev/null and b/doc/devdoc/favicon.ico differ
diff --git a/doc/devdoc/process-one.png b/doc/devdoc/process-one.png
new file mode 100644
index 000000000..367e2dbdb
Binary files /dev/null and b/doc/devdoc/process-one.png differ