X.Org Encoding fonts

https://www.x.org/

High-performance, zero maintenance encrypted DNS proxy

https://github.com/jedisct1/encrypted-dns-server

ASCII to PostScript filter

ASCII to PostScript filter

http://www.gnu.org/software/enscript/

ASCII to PostScript filter

http://www.gnu.org/software/enscript/

Runs arbitrary commands when files change

http://entrproject.org/

Shell helper that automatically sets and unsets environment variables

https://github.com/wojas/envy

The Eye Of Gnome image viewer

https://wiki.gnome.org/Apps/EyeOfGnome

Plug-ins for the Eye of GNOME image viewer application

Extremely lightweight and simple web browser for GNOME 3

http://www.gnome.org/projects/epiphany/

Free UNIX software/file packaging program

https://www.msweet.org/epm/

Utilities to manage Japanese EPWING or Electric-Book based CD-ROM

de i18n package for Eric6 IDE

Functional programming language from Ericsson

https://www.erlang.org/

IDNA implementation in pure Erlang

https://github.com/benoitc/erlang-idna

Manual pages for Erlang/OTP

https://www.erlang.org/

Functional programming language from Ericsson

https://www.erlang.org/

Functional programming language from Ericsson

https://www.erlang.org/

Functional programming language from Ericsson

https://www.erlang.org/

Functional programming language from Ericsson

https://www.erlang.org/

Functional programming language from Ericsson

https://www.erlang.org/

Compatibility library for unicode_util from Erlang R20

https://github.com/benoitc/unicode_util_compat

Extensible shell, derived from plan9's rc

http://wryun.github.io/es-shell/

Sound library for enlightenment package

http://www.tux.org/~ricdude/EsounD.html

Software speech synthesizer

https://github.com/espeak-ng/espeak-ng/

X11 terminal emulator based on rxvt/xterm

http://www.eterm.org/

Input event device header files

VTE based, super lightweight terminal emulator

http://www.calno.com/evilvte/

GNOME 3 multi-format document viewer

https://wiki.gnome.org/Apps/Evince

Integrated mail, calendar and address book distributed suite

https://wiki.gnome.org/Apps/Evolution

Data backends for the Evolution integrated mail/PIM suite

https://wiki.gnome.org/Apps/Evolution

Evolution Microsoft Exchange plugin through Exchange Web Services

https://wiki.gnome.org/Apps/Evolution

Modern replacement for ls

https://the.exa.website/

Lightweight non-interactive sh(1)-like scripting language

https://www.skarnet.org/software/execline/

Port of Adobe XMP SDK to work on UNIX

http://libopenraw.freedesktop.org/wiki/Exempi

Full-featured exFAT FS implementation as a FUSE module

https://github.com/relan/exfat

Utilities to create, check, label and dump exFAT filesystem

https://github.com/relan/exfat

Command line utility to read and manipulate EXIF data

http://sourceforge.net/projects/libexif/

Exif, IPTC, and XMP metadata manipulation library and tools

https://www.exiv2.org/

Geometric sans serif font with a technological feel

http://www.ndiscovered.com/

XML 1.0 parser written in C

https://github.com/libexpat/libexpat

Sophisticated scripter based on Tcl/Tk

http://expect.sourceforge.net

Application to track your expense under GNUstep

http://www.eskimo.com/~pburns/Expense/

FUSE module to mount ext2, ext3 and ext4 with read write support

https://github.com/alperakcan/fuse-ext2

Partition-selectable boot loader for IBM-PC/AT compatibles

http://extipl.sourceforge.jp/

Tool for extracting and creating optimised Xbox ISO images

http://sourceforge.net/projects/extract-xiso/

Modern, maintained replacement for ls

https://eza.rocks/

Framework to easily create, manipulate, and run BSD jails

http://erdgeist.org/arts/software/ezjail/

Fortran-to-C converter and its run-time libraries

http://www.netlib.org/

MPEG-2 and MPEG-4 AAC audio encoder

https://www.audiocoding.com/