Links

Introduction to shortwave
Der Kurzwellenhörer (de) (1797 Hits) (Shortwave introduction by Franz Chvatal)
Introduction to DXing (en) (2884 Hits) (Marc Vissers introduction to DXing)
Kurze Einführung in die Kurzwelle (de) (2331 Hits) (Not a short, but an extensive introduction, also with notes about current shortwave receivers)
Leviathan's DXing Page (de) (1697 Hits) (Extensive introduction into shortwave)
Romanistik Erlangen: Kurzwelle (de) (1538 Hits) (Well made shortwave introduction with technical details)
Was ist Rundfunkfernempfang? (de) (1791 Hits) (Well made DXing starters page)

SW News
Das Medienmagazin: AM News (de) (1556 Hits) (The latest AM news from the "Medienmagazin" of Radio eins)
KWeinführung (de) (1781 Hits) (A little shortwave introduction)
Weltweiter Rundfunk: News (de) (1618 Hits) (AM news)

Info pages
Shortwave Pirates (en) (1635 Hits) (Nice page about not legal shortwave broadcasters)

Lists
Basel DX Daily Logbook (en) (1573 Hits) (up-to-date tropical band logs)
Danish Shortwave Club International SW Tips (en) (1762 Hits) (Bleeding edge shortwave loggings)
HFRadio.org: shortwave database (en) (2546 Hits) (Interactive frequency list for all current shortwave broadcasters)
The Latest Shortwave Loggings On The Net (en) (2243 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) (1741 Hits) (Infos about current and past shortwave stations and many QSL cards)
dxradio.de (de) (3300 Hits) (interesting pages of a longtime DXer)
Fenu-Radio (de) (2328 Hits) (Very interesting page of a fellow DXer with lots of information about receivers)
Kurzwelle Hören (de) (2068 Hits) (Bodo Kirtz' shortwave pages)
MarkDX (de) (1959 Hits) (a german "radio platform from the lower rhine")
Mein Hobby (de) (1926 Hits) (Shortwave- and Korea fan)
Ratzer.at - Informationen zum Kurzwellenhobby (de) (1997 Hits) (Homepage of Christoph Ratzer, who owns the german A-DX mailinglist. Very interesting test reports and current reception tips.)
Rinkersoft (de) (1633 Hits) (Alfred Ditzlers shortwave pages)