diff --git a/net/proto/torrent/gnutella/gtk-gnutella.txt b/net/proto/torrent/gnutella/gtk-gnutella.txt
new file mode 100644
index 000000000..0dfbe7d44
--- /dev/null
+++ b/net/proto/torrent/gnutella/gtk-gnutella.txt
@@ -0,0 +1,12 @@
+https://gtk-gnutella.sourceforge.io/
+
+https://github.com/gtk-gnutella/gtk-gnutella
+
+dnf/gtk-gnutella
+
+https://gtk-gnutella.sourceforge.io/?lang=en&page=docs
+https://gtk-gnutella.sourceforge.io/?lang=en&page=faq
+
+man
+https://gtk-gnutella.sourceforge.io/manual/
+https://linux.die.net/man/1/gtk-gnutella
diff --git a/pl/web/design/diagrams/mermaid.txt b/pl/web/design/diagrams/mermaid.txt
index 7c98ccf77..d6a40311d 100644
--- a/pl/web/design/diagrams/mermaid.txt
+++ b/pl/web/design/diagrams/mermaid.txt
@@ -22,9 +22,11 @@ https://gist.github.com/martinwoodward/8ad6296118c975510766d80310db71fd
 books
 2021
 SveidqvistJain - The Official Guide to Mermaid.js
+    https://www.amazon.com/Official-Guide-Mermaid-js-beautiful-flowcharts-dp-1801078025/dp/1801078025
     https://github.com/PacktPublishing/The-Official-Guide-to-Mermaid.js/
     https://libgen.gs/edition.php?id=138899789
     https://libgen.gs/edition.php?id=146589061
+    https://libgen.gs/torrents/pilimi-zlib-all/pilimi-zlib2-17340000-17469999.torrent
 2024
 MermaidChart - Demo of Sequence Diagrams in the Visual Editor 0:00 of 4:32
     https://www.youtube.com/watch?v=imc2u5_N6Dc