From OpenFOAMWiki

1 YouTube

No idead who made this, but it looks nice

2 RSS Feed

The feed from of the old git:

3 A google gadget

No idea what this can be used for

Allows wiki administrators to add free-form widgets to the wiki by editing pages within the Widget namespace. Community-contributed widgets can be found on MediaWikiWidgets.org

Doesn't work anyway (Gadget Name intentionally wrong)

4 Twitter

Try Twitter: