Movavi - free online video converter

Movavi Online is a free online web service that lets you download videos from YouTube, Google and other video-sharing sites and save them to your iPhone, iPod, cellphone, and popular video formats: AVI, MPEG, MOV, FLV, MP4, 3GP. With Movavi Online, you can also convert videos already on your computer. You don’t need to download any software.

GotZapp - mobile social network

GotZapp is a new mobile social networking site that lets you send and receive Zapps to mobile phones.
Zapps are mobile photo galleries, blogs, stories, music and media clips that you can send to most color mobile phones with internet access.
You can create Zapps using a free program for the PC,Zirada Publisher.
A similar service is mogopop (free multimedia content for Ipod)

mogopop - free multimedia content for iPod

Mogopop is a free web-based service where members can create, publish and download multimedia content for iPod: audio, video, pictures, podcasts, text .
Mogopop downloads are like mini-Websites for iPod that anyone can enjoy.