Tysss

Finnish only (I18n in development)
Simple plugin to create and manage events with registration possibility. Ideal for organizational evenys etc.
Currently the plugin is only in Finnish.

Ilmomasiina

Simple event manager with editable forms to register participiants via frontend UI

Melanger.cz

Change Logo On Occasions adds the ability to set different images for various period of time. It adds “Logos” to WordPress administration menu, where you can manage logos (add, delete, schedule etc). Plugin is fully translatable, lightweight and very easy to use.

Change Logo On Occasions

If you want to change logos on certain occasions (e.g. Christmas, Halloween) just like Google does, this plugin is what you need!

Ilmomasiina vs Change Logo On Occasions