flatpak is tool similar to 0install. You can find more details here.

# Get the gnome-sdk gpg keys
wget https://sdk.gnome.org/keys/gnome-sdk.gpg
# Add the keys to trusted keys
flatpak remote-add --user --gpg-import=gnome-sdk.gpg gnome https://sdk.gnome.org/repo/

# Install pre-requisite gnome
flatpak install --user gnome org.gnome.Platform 3.20

# Download the flatpak file and install it. Or you can follow the next step.
wget 'http://download.documentfoundation.org/libreoffice/flatpak/latest/LibreOffice.flatpak'
flatpak install --user --bundle LibreOffice.flatpak

# Install flatpak without downloading
flatpak install --user gnome org.gnome.Platform.Locale 3.20

# Run you brand new shiny latest libreoffice
flatpak run org.libreoffice.LibreOffice

# At a later date, when you want to update libreoffice.
flatpak update --user org.libreoffice.LibreOffice

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