Links

Introduction to shortwave
Der Kurzwellenhörer (de) (1820 Hits) (Shortwave introduction by Franz Chvatal)
Introduction to DXing (en) (2911 Hits) (Marc Vissers introduction to DXing)
Kurze Einführung in die Kurzwelle (de) (2369 Hits) (Not a short, but an extensive introduction, also with notes about current shortwave receivers)
Leviathan's DXing Page (de) (1720 Hits) (Extensive introduction into shortwave)
Romanistik Erlangen: Kurzwelle (de) (1555 Hits) (Well made shortwave introduction with technical details)
Was ist Rundfunkfernempfang? (de) (1815 Hits) (Well made DXing starters page)

SW News
Das Medienmagazin: AM News (de) (1577 Hits) (The latest AM news from the "Medienmagazin" of Radio eins)
KWeinführung (de) (1799 Hits) (A little shortwave introduction)
Weltweiter Rundfunk: News (de) (1635 Hits) (AM news)

Info pages
Shortwave Pirates (en) (1652 Hits) (Nice page about not legal shortwave broadcasters)

Lists
Basel DX Daily Logbook (en) (1593 Hits) (up-to-date tropical band logs)
Danish Shortwave Club International SW Tips (en) (1782 Hits) (Bleeding edge shortwave loggings)
HFRadio.org: shortwave database (en) (2586 Hits) (Interactive frequency list for all current shortwave broadcasters)
The Latest Shortwave Loggings On The Net (en) (2262 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) (1758 Hits) (Infos about current and past shortwave stations and many QSL cards)
dxradio.de (de) (3342 Hits) (interesting pages of a longtime DXer)
Fenu-Radio (de) (2377 Hits) (Very interesting page of a fellow DXer with lots of information about receivers)
Kurzwelle Hören (de) (2087 Hits) (Bodo Kirtz' shortwave pages)
MarkDX (de) (1992 Hits) (a german "radio platform from the lower rhine")
Mein Hobby (de) (1945 Hits) (Shortwave- and Korea fan)
Ratzer.at - Informationen zum Kurzwellenhobby (de) (2016 Hits) (Homepage of Christoph Ratzer, who owns the german A-DX mailinglist. Very interesting test reports and current reception tips.)
Rinkersoft (de) (1653 Hits) (Alfred Ditzlers shortwave pages)