

feh is an X11 image viewer aimed mostly at console users. Unlike most other viewers, it does not have a fancy GUI, but simply displays images. It is controlled via commandline arguments and configurable key/mouse actions.
It is released under a variant of the MIT license.
feh-3.10.1.tar.bz2 (signature)
Archive - Bugs - Release feed
The feh manual
explains the various operation modes and options in detail.
You might also be interested in the
Changelog.
There is a growing list of examples and screenshots.
Download the source code of the latest release here: feh v3.10.1 (signature). Or check out the latest development version: feh git.
feh is also shipped by many Linux/BSD distributions, including Arch Linux, Debian, FreeBSD, OpenBSD and Ubuntu.
You can easily compile feh from source, e.g. to try out the latest changes in the git repository. All you need is GNU make, a C compiler (gcc/clang) and some libraries.
Example for Debian:
First, install the dependencies:
apt-get install libcurl4-openssl-dev libx11-dev libxt-dev libimlib2-dev
libxinerama-dev libjpeg-progs
Then, either get the latest tarball:
wget https://feh.finalrewind.org/feh-3.10.1.tar.bz2
tar -xjf feh-3.10.1.tar.bz2
cd feh-3.10.1
or check out the git version:
git clone https://git.finalrewind.org/feh
cd feh
Now, compile and install feh:
make
sudo make install
Please report bugs, feature requests or any other source code related stuff on the GitHub issue tracker. You can also send a mail to derf+feh at finalrewind dot org, though GitHub issues are preferred.