WiFi File Explorer allows you to browse, download and stream files that are on your phone, using a web browser via a WiFi connection. No more taking your phone apart to get the SD card out to access your camera pics ;)
WiFi File Transfer is a light-weight web server that lets you upload and download files to/from your phone over a wireless connection. Transfer files without a USB cable. The free version limits the file size to 5 MB
WebSharing enables you to wirelessly transfer files to and from your phone/device using a web browser. You can play and manage music, view your photographs, and manage files on your device using your WI-FI network.