Cometdocs is a one of its kinds free online document conversion interface that offers a large set of document conversions that can’t be found anywhere else online.

FavIcon from Pics The first web tool for creating still / animated favicons from regular images.
Would you like to display your own icon on the browser address bar when visitors view or bookmark your web page?
Now it’s easy to create icons for your web pages with FavIcon from Pics. Simply select a picture, logo [...]

Zoho Writer is an online word processor with collaboration features. No download, No install, just sign up to create documents. Forbes selects Zoho Writer as the Winner in Online Word Processors.
Features

Access from anywhere
Access, edit, share documents from anywhere
Create and edit documents your way
Create, edit or re-format documents using our WYSIWYG editor
Collaborative editing of documents
Allow [...]

Everyone who setting up DNS-server (especially for the first time) will need for settings checker. Here are some free online tools for remote checking of Your DNS settings, zone delegation, etc.
RIPE.net Zone Delegation Checker
This tool can be used to check a reverse zone setup in the DNS. It follows the routines that the RIPE NCC [...]

Here You”ll see links to some services that allow You to surf the Internet anonymously. They hide Your IP address, making unable to track from where have You come. Breaking thru corporative firewalls that blocking some sites also is possible with these services. Most anonymous services has limits for free users or shows their ads. [...]