To know which packages are available in Debian:

Browse locally with the <span class="application">*Synaptic Package Manager</span>*:

Browse locally with the *Synaptic Package Manager*:

Browse the packages by sections from the left sidebar.

If you are unsure:

Replace <span class="command-placeholder">lang</span> with the code for your
language. For example, <span class="command">es</span> for Spanish or
<span class="command">de</span> for German`vi` for Vietnamese.

Replace <span class="command-placeholder">lang</span> with the code for your
language. For example, `vi` for Vietnamese.

for <span class="application">LibreOffice</span>: <span class="command"*LibreOffice* language package: <code>libreoffice-l10n-<span class="command-placeholder">lang</span></spancode>

*LibreOffice* language package: <code>libreoffice-l10n-<span class="command-placeholder">lang</span></code>

<span class="command"*Hunspell* dictionary: <code>hunspell-<span class="command-placeholder">lang</span></spancode>

*Hunspell* dictionary: <code>hunspell-<span class="command-placeholder">lang</span></code>

The <span class="command">hunspell</span>*Hunspell* dictionaries are used for
spell-checking by <span class="application">Tor Browser</span>,
<span class="application">LibreOffice</span>,
<span class="application">*Tor Browser*,
*LibreOffice*, *Thunderbird</span>*, and many other applications.

The *Hunspell* dictionaries are used for spell-checking by *Tor Browser*,
*LibreOffice*, *Thunderbird*, and many other applications.

To install a package using <span class="application">Synaptic</span>:
*Synaptic*:

To install a package using *Synaptic*:

<p>If you are comfortable with the command line, you can use the <span
class="command">apt</span> command<code>apt</code> instead.</p>

<p>If you are comfortable with the command line, you can use <code>apt</code> instead.</p>

To install an additional package automatically when starting Tails:

Additional configuration

<span <p class="command">hunspell--template">torsocks <span class="command-placeholder">langapplication</span></span>p>

<p class="command-template">torsocks <span class="command-placeholder">application</span></p>

<p class="command">torsocks mumble</p>

<p class="command">torsocks mumble</p>

InstallUsing a*Additional sSoftware*:

Using *Additional Software*:

After you installed many packages that you are not using anymore, you can free some space in your Persistent Storage:

<p>The packages available in Debian are
submitted to public scrutiny.</p>

Sometimes, you might need to configure additional APT repositories. For example, to install packages from the `non-free` section of Debian. To do so:

<p class="command">sudo install -d -m 755 /live/persistence/TailsData_unlocked/apt-sources.list.d</p>

<p class="command">sudo install -d -m 755 /live/persistence/TailsData_unlocked/apt-sources.list.d</p>

Write your additional `sources.list` files in the <span class="filename">apt-sources.list.d</span> folder. For example, to add
the `non-free` sections of Debian 10 (Buster3 (Trixie), backports, and security
updates, you can create a file named <span class="filename">
*/live/persistence/TailsData_unlocked/apt-sources.list.d/non-free.list</span>*
with the following content:

For example, to add
the `non-free` sections of Debian 13 (Trixie), backports, and security
updates, you can create a file named
*/live/persistence/TailsData_unlocked/apt-sources.list.d/non-free.list*
with the following content: