This is for a small team. Here are some basic requirements :<p>&gt; storage of links with archiving of the linked page
&gt; storage of files (PDF, DOC, ODT, TXT, jpeg, ...)
&gt; free tagging of documents
&gt; categories
&gt; advanced search tool
&gt; comments and notes taking associated to each document
&gt; multi-user with sharing 
&gt; integrated into firefox (single click to archive a web page)
&gt; integrated into destop computer (right click to add a document)
&gt; web site for access everywhere
&gt; mobile applications for integration into mobile devices with offline mode
&gt; can manage and share a &quot;to be read&quot; list of document
&gt; notifications when metadata of a document are modified<p>Any hint ?<p>Many thanks by advance.
G.
Looking for a small knowledge management tool