download.texi | 5 +++++

diff --git a/download.texi b/download.texi
index e7ea9c329737bfaeed29ddf93e1d4502175a8a8272e207694577a957dce788c5..645806551e28ae7b8d06e7ceb7b762b22b5a8393ade06d4bc7321af99c4c1dc4 100644
--- a/download.texi
+++ b/download.texi
@@ -80,3 +80,8 @@ @tab @code{FF2C7E78 F3677B45 EB472DC6 1837C72C 0BD72387 AB0A9DC7 AD88AD11 59589732}
 @tab @code{42cfd0cdf357997a909a9114ca14391b4c5e8b62e298675f899b80a8a26d690f}
 
 @end multitable
+
+Also there is example P2P F2F E2EE IM written on Python, that uses
+PyGOST with @url{http://pyderasn.cypherpunks.ru/, PyDERASN}:
+@url{gostim.txz, GOSTIM} (@url{gostim.txz.sig, sign}) (17 KiB). It is
+described on russian an @url{https://habr.com/ru/post/452200/, that article}.