# Third-party software
The installable PhotoDrain package contains the following unmodified third-party runtimes. The source archives are pinned and their SHA-256 digests are verified by `tools/fetch-third-party.sh` before packaging.
## ExifTool 13.59
- Project: ExifTool by Phil Harvey - Source: https://github.com/exiftool/exiftool/tree/13.59 - Commit: `2200871d9cef988051d2a99d67df3bda6cbb30a8` - Source archive SHA-256: `87d3317882fdae9cb4dcfe57a96a378d0132ffc02c731315bf128b19ddcf7aac` - License: Perl Artistic License or GNU General Public License - Packaged files: `libexec/exiftool/exiftool` and `libexec/exiftool/lib`
The upstream license text is installed as `licenses/ExifTool-LICENSE`.
## Perl 5.44.0
- Project: Perl 5 - Source: https://www.cpan.org/src/5.0/perl-5.44.0.tar.gz - Source archive SHA-256: `3b855066b92491cb40e86affb1ca57d1a388aa43e51b91c7806a32c2f65f96c3` - Build environment: Alpine Linux 3.22, musl libc - License: Artistic License or GNU General Public License - Packaged files: relocatable runtime under `libexec/perl`
The upstream `Copying` and `Artistic` texts are installed under `licenses/`.