Guile-XOSD provides Guile bindings for 'libxosd' library:
<https://github.com/alezost/guile-xosd>

The main change since v0.1 is: original procedures (with "xosd-" prefix)
moved to (xosd bindings) module.  Now (xosd) module contains more
"Schemey" procedures (for example 'make-osd' with keyword arguments).

All changes can be found in the NEWS file:
<https://github.com/alezost/guile-xosd/tree/master/NEWS>.

See README and info manual for examples of using Guile-XOSD.

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Git repo: git://github.com/alezost/guile-xosd.git

The release tarball:
https://github.com/alezost/guile-xosd/releases/download/v0.2/guile-xosd-0.2.tar.gz

MD5: c05340d0c6f1716c33cd0e75993d4a55  guile-xosd-0.2.tar.gz
SHA256: 5b522cb77ac7789a7713bafdeb029987f1a6ce87001b5b2ed58e31e6e7010bc8  guile-xosd-0.2.tar.gz

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Guile-XOSD can be installed with GNU Guix using the attached
"guile-xosd.scm" file:

  guix package --install-from-file=guile-xosd.scm