1. xradio
XRadio - Perl Tk radio application for Linux.
2. cRadio
cRadio. Graphical Display:: Digital frequency indicator, Station Preset Name, Channel preset number, MUTE indicator, TUNE, Sleep, Alarm and Stero indicators, True volume setting.
3. xmradio
xmradio is a radio tuner program for X (using the Motif widget set), using NetBSD's and FreeBSD's bktr driver (http://vulture.dmem.strath.ac.uk/bt848/). It also supports Video4Linux because of its design.
4. RadioActive
RadioActive is a small radio application for Video4Linux-compatible radio tuner cards. The lowlevel functions were initially based on GRadio, but RadioActive has a traditional, "real-world radio"-like interface. It is written by Gerg� �rdi.
5. XMMS-FMRadio
XMMS-FMRadio. This plugin allows you to use your Video4Linux (v4l) compliant FM radio devices as an input source for XMMS.
6. GQradio
GQradio interfaces with radio cards through the video4linux, or the FreeBSD bktr APIs. Stations can be tuned manually, set to presets, or auto seek can find the next available frequency. The application supports theming (skins), and includes a built-in skin editor. Skin formats are similar to GQmpeg.
7. rico_RADIO
rico_RADIO Is a small little tool to listen radio under X, I have written rico_RADIO with C and GTK.