PPA for Ubuntu 16.04

LibreOffice:
sudo add-apt-repository ppa:libreoffice/ppa

SimpleScreenRecorder:
sudo add-apt-repository ppa:maarten-baert/simplescreenrecorder

HandBrake:
sudo add-apt-repository ppa:ricotz/experimental

GIMP:
sudo add-apt-repository ppa:otto-kesselgulasch/gimp

Inkscape:
sudo add-apt-repository ppa:inkscape.dev/stable

Blender:
sudo add-apt-repository ppa:thomas-schiex/blender

GRUB Customizer:
sudo add-apt-repository ppa:danielrichter2007/grub-customizer

Boot Repair:
sudo add-apt-repository ppa:yannubuntu/boot-repair

Tor Browser:
sudo add-apt-repository ppa:webupd8team/tor-browser

VLC:
sudo add-apt-repository ppa:videolan/stable-daily

Scribus:
sudo add-apt-repository ppa:scribus/ppa

Unetbootin:
sudo add-apt-repository ppa:gezakovacs/ppa

Terminix:
sudo add-apt-repository ppa:webupd8team/terminix

Ubuntu SDK:
sudo add-apt-repository ppa:ubuntu-sdk-team/ppa

Unity Desktop Environment:
sudo add-apt-repository ppa:ubuntu-desktop/ppa

Atom:
sudo add-apt-repository ppa:webupd8team/atom

GNOME Shell Extensions:
sudo add-apt-repository ppa:gnome-shell-extensions/ppa

Eclipse:
sudo add-apt-repository ppa:mmk2410/eclipse-ide-java

Android Studio:
sudo add-apt-repository ppa:paolorotolo/android-studio

Chromium:
sudo add-apt-repository ppa:saiarcot895/chromium-dev

FreeCAD:
sudo add-apt-repository ppa:freecad-maintainers/freecad-daily

Y PPA Manager:
sudo add-apt-repository ppa:webupd8team/y-ppa-manager

Qt Creator:
sudo add-apt-repository ppa:adrozdoff/qtcreator-git
sudo add-apt-repository ppa:beineri/opt-qt561-xenial
sudo add-apt-repository ppa:adrozdoff/llvm-xenial
sudo add-apt-repository ppa:adrozdoff/cmake

LightTable:
sudo add-apt-repository ppa:dr-akulavich/lighttable

OpenJDK 7:
sudo add-apt-repository ppa:openjdk-r/ppa

OpenJDK 8:
sudo add-apt-repository ppa:openjdk-r/ppa

KDE Connect:
sudo add-apt-repository ppa:vikoadi/ppa