How to setup a customize simple Library or Archive server (Urgent)

I am planning to setup a Library or Archive server which ever name be it.
What is the most feasible method or solution to achieve it?
Use SharePoint Server is too expensive and a Web Server will affect the bandwidth.
The purpose is to store a central depository of archives to use for edit, view, updates,wiki in order to facilitate the Users within the office environment. Just like in a library with patrons going around searching for information and make necessary developments.
The achrives contain drawings(archiectural designs and office documents)
Users can easily access via link or map to the dedicated server.

Please advice anyone

Warmest Regards
Ernest Choofy