OS
X
/
Linux
terminal
.
vim
text
editor
.
LaTex
typography
.
Imagemagick
image
file
manipulation
and
conversion
.
ffmpeg
audio
-
video
processing
.
vlc
&
gstreamer
multimedia
streaming
.
<
br
> <
br
>
And
little
bit
of
HTML
&
CSS
programming
(
i
.
e
.
web
-
design
).