Links

Introduction to shortwave
Der Kurzwellenhörer (de) (1702 Hits) (Shortwave introduction by Franz Chvatal)
Introduction to DXing (en) (2790 Hits) (Marc Vissers introduction to DXing)
Kurze Einführung in die Kurzwelle (de) (2228 Hits) (Not a short, but an extensive introduction, also with notes about current shortwave receivers)
Leviathan's DXing Page (de) (1617 Hits) (Extensive introduction into shortwave)
Romanistik Erlangen: Kurzwelle (de) (1460 Hits) (Well made shortwave introduction with technical details)
Was ist Rundfunkfernempfang? (de) (1708 Hits) (Well made DXing starters page)

SW News
Das Medienmagazin: AM News (de) (1476 Hits) (The latest AM news from the "Medienmagazin" of Radio eins)
KWeinführung (de) (1694 Hits) (A little shortwave introduction)
Weltweiter Rundfunk: News (de) (1527 Hits) (AM news)

Info pages
Shortwave Pirates (en) (1547 Hits) (Nice page about not legal shortwave broadcasters)

Lists
Basel DX Daily Logbook (en) (1491 Hits) (up-to-date tropical band logs)
Danish Shortwave Club International SW Tips (en) (1682 Hits) (Bleeding edge shortwave loggings)
HFRadio.org: shortwave database (en) (2424 Hits) (Interactive frequency list for all current shortwave broadcasters)
The Latest Shortwave Loggings On The Net (en) (2155 Hits) (Very interesting and recent shortwave logs from the UK)

private pages of DXers
The World on Shortwave (de) (en) (0 Hits) (complete private page, even with historic logbook)
DX-Seite Rudolf Sonntag (de) (1657 Hits) (Infos about current and past shortwave stations and many QSL cards)
dxradio.de (de) (3195 Hits) (interesting pages of a longtime DXer)
Fenu-Radio (de) (2202 Hits) (Very interesting page of a fellow DXer with lots of information about receivers)
Kurzwelle Hören (de) (1978 Hits) (Bodo Kirtz' shortwave pages)
MarkDX (de) (1869 Hits) (a german "radio platform from the lower rhine")
Mein Hobby (de) (1844 Hits) (Shortwave- and Korea fan)
Ratzer.at - Informationen zum Kurzwellenhobby (de) (1906 Hits) (Homepage of Christoph Ratzer, who owns the german A-DX mailinglist. Very interesting test reports and current reception tips.)
Rinkersoft (de) (1541 Hits) (Alfred Ditzlers shortwave pages)