tvdinner itself is licensed under the MIT license -- see LICENSE.

This Windows build bundles a pre-built libmpv-2.dll from the
mpv-winbuild-cmake project:

    https://github.com/shinchiro/mpv-winbuild-cmake

which builds and redistributes binaries of mpv (https://mpv.io),
licensed under the GNU General Public License v2 or later, or (for
builds configured with --enable-lgpl, as mpv-winbuild-cmake's are) the
GNU Lesser General Public License v2.1 or later. See:

    https://github.com/mpv-player/mpv/blob/master/LICENSE

for mpv's full license terms, and the mpv-winbuild-cmake repository
above for the build scripts and source used to produce the bundled DLL.

Fonts bundled with tvdinner (Inter Regular, Inter Bold) are licensed
under the SIL Open Font License 1.1 -- see the fonts/LICENSE file
included with the source distribution, or:

    https://scripts.sil.org/OFL