Links

Introduction to shortwave
Der Kurzwellenhörer (de) (1666 Hits) (Shortwave introduction by Franz Chvatal)
Introduction to DXing (en) (2754 Hits) (Marc Vissers introduction to DXing)
Kurze Einführung in die Kurzwelle (de) (2187 Hits) (Not a short, but an extensive introduction, also with notes about current shortwave receivers)
Leviathan's DXing Page (de) (1582 Hits) (Extensive introduction into shortwave)
Romanistik Erlangen: Kurzwelle (de) (1428 Hits) (Well made shortwave introduction with technical details)
Was ist Rundfunkfernempfang? (de) (1677 Hits) (Well made DXing starters page)

SW News
Das Medienmagazin: AM News (de) (1444 Hits) (The latest AM news from the "Medienmagazin" of Radio eins)
KWeinführung (de) (1656 Hits) (A little shortwave introduction)
Weltweiter Rundfunk: News (de) (1490 Hits) (AM news)

Info pages
Shortwave Pirates (en) (1511 Hits) (Nice page about not legal shortwave broadcasters)

Lists
Basel DX Daily Logbook (en) (1459 Hits) (up-to-date tropical band logs)
Danish Shortwave Club International SW Tips (en) (1647 Hits) (Bleeding edge shortwave loggings)
HFRadio.org: shortwave database (en) (2383 Hits) (Interactive frequency list for all current shortwave broadcasters)
The Latest Shortwave Loggings On The Net (en) (2121 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) (1625 Hits) (Infos about current and past shortwave stations and many QSL cards)
dxradio.de (de) (3159 Hits) (interesting pages of a longtime DXer)
Fenu-Radio (de) (2159 Hits) (Very interesting page of a fellow DXer with lots of information about receivers)
Kurzwelle Hören (de) (1943 Hits) (Bodo Kirtz' shortwave pages)
MarkDX (de) (1831 Hits) (a german "radio platform from the lower rhine")
Mein Hobby (de) (1809 Hits) (Shortwave- and Korea fan)
Ratzer.at - Informationen zum Kurzwellenhobby (de) (1863 Hits) (Homepage of Christoph Ratzer, who owns the german A-DX mailinglist. Very interesting test reports and current reception tips.)
Rinkersoft (de) (1506 Hits) (Alfred Ditzlers shortwave pages)