diff --git a/child/math/people/savvateev.txt b/child/math/people/savvateev.txt
index 031ab3c4d..03e3a880d 100644
--- a/child/math/people/savvateev.txt
+++ b/child/math/people/savvateev.txt
@@ -12,6 +12,9 @@ https://www.youtube.com/c/PunkMathematics
     ludmila z
     https://www.youtube.com/channel/UC3XSyhxuKYZzzqdECAkJLIw/playlists
 
+2023
+ManucchiEmpathy - Savvateev - Teacher School and Children of 1:04:02
+    https://www.youtube.com/watch?v=24GvdQs_7Kg
 2022
 Savvateev - Mechanisms Ressistable to Collusion of 1:16:44
     https://www.youtube.com/watch?v=vBnVrVKLvYY
diff --git a/messanger/mastodon.txt b/messanger/mastodon.txt
new file mode 100644
index 000000000..ad17d458a
--- /dev/null
+++ b/messanger/mastodon.txt
@@ -0,0 +1 @@
+https://github.com/magicalraccoon/tootstream/
diff --git a/nontech/key-hasay-aliev.txt b/nontech/key-hasay-aliev.txt
deleted file mode 100644
index 0474f1a83..000000000
--- a/nontech/key-hasay-aliev.txt
+++ /dev/null
@@ -1,15 +0,0 @@
-https://hasai.ru/
-
-https://stress.su/
-https://shop.stress.su/
-
-https://vk.com/hasaialiev
-https://vk.com/homofuturus2
-https://www.artmajeur.com/hasai/ru?view=grid
-
-https://www.youtube.com/user/metodKlu4
-
-
-http://project3215418.tilda.ws/knignya_online-gostinnaya
-https://www.litres.ru/hasay-aliev/metod-kluch-ot-komnaty-straha-tvoego-mozga-zastav-stress-rabot/
-https://ridero.ru/books/nacionalnaya_ideya_rossii_generator_budushego/
diff --git a/nontech/psycho/people/hasay-aliev.txt b/nontech/psycho/people/hasay-aliev.txt
index 17f717a7e..116d34c9b 100644
--- a/nontech/psycho/people/hasay-aliev.txt
+++ b/nontech/psycho/people/hasay-aliev.txt
@@ -1,3 +1,33 @@
+https://hasai.ru/
+
+https://stress.su/
+https://shop.stress.su/
+
+https://vk.com/hasaialiev
+https://vk.com/homofuturus2
+https://www.artmajeur.com/hasai/ru?view=grid
+
+https://www.youtube.com/user/metodKlu4
+
+
+http://project3215418.tilda.ws/knignya_online-gostinnaya
+https://www.litres.ru/hasay-aliev/metod-kluch-ot-komnaty-straha-tvoego-mozga-zastav-stress-rabot/
+https://ridero.ru/books/nacionalnaya_ideya_rossii_generator_budushego/
+
+books
+new
+    0087F40CD559FE5A1F8E4F44B4E12F89
+help yourself
+    11DA1406E1E3565B7EF4C7D7A6FE23F4
+key method against stress
+    3FAD81AFC5F8E90C9555D2BA89BD966B
+key method
+    438F5BC3068027CC9040E9B51622109B
+marinina - hapiness formula
+    DC4CA51B6E660E59AD39B8415FD0A693
+key to yourself
+    C550C89667F8DF7981F76837BFA6253B
+
 2021
 KeyMethod - Aliev - Gazenko for Cosmanauts of 8:38
     https://www.youtube.com/watch?v=3V_paqW1ch8
diff --git a/os/linux/initial.txt b/os/linux/initial.txt
index 9f2f0a47c..aeb8fcd98 100644
--- a/os/linux/initial.txt
+++ b/os/linux/initial.txt
@@ -1,3 +1,6 @@
+apt
+    p7zip-full
+
 https://www.tutorialspoint.com/fixing-the-too-many-open-files-error-in-linux
 https://winitpro.ru/index.php/2019/11/19/oshibka-too-many-open-files-v-linux/
     cat /proc/sys/fs/file-max
diff --git a/os/linux/ubuntu/docs/whatsnew.txt b/os/linux/ubuntu/docs/whatsnew.txt
index aa577a852..8449ff8ad 100644
--- a/os/linux/ubuntu/docs/whatsnew.txt
+++ b/os/linux/ubuntu/docs/whatsnew.txt
@@ -1,4 +1,5 @@
 23.10
+https://habr.com/ru/companies/ru_mts/articles/767826/
 https://releases.ubuntu.com/mantic/
 KskRoyal - 23 Things You MUST DO After Installing NEW Ubuntu | Ubuntu 23.10 0:00 of 19:20
     https://www.youtube.com/watch?v=YFQTSkqXf3I
diff --git a/os/linux/ubuntu/flavor/mac-like/docs/presentations.txt b/os/linux/ubuntu/flavor/mac-like/docs/presentations.txt
new file mode 100644
index 000000000..1cc4aff34
--- /dev/null
+++ b/os/linux/ubuntu/flavor/mac-like/docs/presentations.txt
@@ -0,0 +1,8 @@
+2023
+KskRoyal - How to Make Ubuntu Look Like MacOS SONOMA (NEW) 0:00 of 12:02
+    https://www.youtube.com/watch?v=j_2bvMvPc50
+    https://kskroyal.com/make-gnome-look-like-mac-os-ventura-2023/
+    https://github.com/vinceliuice/WhiteSur-gtk-theme
+    https://github.com/USBA/Cupertino-Ventura-iCons
+    https://www.gnome-look.org/p/1400021
+    https://www.androidauthority.com/macos-sonoma-wallpaper-3360571/
diff --git a/pl/cross/api/twitter.txt b/pl/cross/api/twitter.txt
index 229dff1f9..875d985f3 100644
--- a/pl/cross/api/twitter.txt
+++ b/pl/cross/api/twitter.txt
@@ -1 +1,3 @@
 https://dev.twitter.com/rest/public/rate-limiting
+
+https://github.com/magicalraccoon/tootstream/
diff --git a/pl/cross/methodologies/clean/stupid.txt b/pl/cross/methodologies/clean/stupid.txt
new file mode 100644
index 000000000..979612db1
--- /dev/null
+++ b/pl/cross/methodologies/clean/stupid.txt
@@ -0,0 +1,12 @@
+STUPID
+    simple
+    testable
+    ubiquitous (povsemestnyi)
+    proper
+    incremental
+    decoupled
+
+2023
+https://bdicroce.medium.com/smart-programmers-write-stupid-code-397765a14b14
+    https://habr.com/ru/companies/ruvds/articles/768298/
+https://bdicroce.medium.com/slow-down-finish-faster-fb062f7be00d
diff --git a/science/algo/docs/books/books.txt b/science/algo/docs/books/books.txt
index 667e5acf6..5bf3734c7 100644
--- a/science/algo/docs/books/books.txt
+++ b/science/algo/docs/books/books.txt
@@ -55,7 +55,10 @@ KurnosovBerlizov - Information Processing Algorithms and Data Structures ru
     ???
 2018
 Louridas - Real World Algorithms ru
-
+    B4610C2995DBC5BB1DDFEBE6B8811D3A
+    506D2298ADF0BE16EEE961FAB012F5ED
+    A65B6262F4701F8BC0871C0FFB77EFD7
+    FA8929740682E231812E4574A2111F89
 2017
 Bhargava - Grokking Algorithms ru
     3E2B9F402D6567FDA159DCC03ECC9DDC
diff --git a/science/algo/docs/books/people/cormen.txt b/science/algo/docs/books/people/cormen.txt
index fdeb0a575..8e6a280fd 100644
--- a/science/algo/docs/books/people/cormen.txt
+++ b/science/algo/docs/books/people/cormen.txt
@@ -2,6 +2,7 @@
 CormenLeisersonRivestStein - Introduction to Algorithms 4th ed
     4AC1CD2C5225865EA5551C0B524EC7A4
     438EF3CC94057127AFC58BE3B5A4D6B7
+    https://www.wildberries.by/product?card=35843411
     ! 1312p
 2014
 Cormen - Algorithms Unlocked ru
diff --git a/science/algo/docs/books/people/lafore.txt b/science/algo/docs/books/people/lafore.txt
new file mode 100644
index 000000000..c53edd7af
--- /dev/null
+++ b/science/algo/docs/books/people/lafore.txt
@@ -0,0 +1 @@
+https://www.wildberries.by/product?card=114161592
diff --git a/science/algo/docs/books/people/luridas.txt b/science/algo/docs/books/people/luridas.txt
new file mode 100644
index 000000000..8e909c884
--- /dev/null
+++ b/science/algo/docs/books/people/luridas.txt
@@ -0,0 +1 @@
+https://www.wildberries.by/product?card=131901403
diff --git a/science/algo/docs/books/people/sedgewick.txt b/science/algo/docs/books/people/sedgewick.txt
index 197719e9b..177524a1b 100644
--- a/science/algo/docs/books/people/sedgewick.txt
+++ b/science/algo/docs/books/people/sedgewick.txt
@@ -1,3 +1,5 @@
+https://www.wildberries.by/product?card=42782723
+
 2013
 Sedgewick - Java Algorithms 4th ed ru
 2002
diff --git a/science/hott/groupoid.txt b/science/hott/groupoid.txt
index c57ba930e..f8db0ac25 100644
--- a/science/hott/groupoid.txt
+++ b/science/hott/groupoid.txt
@@ -2,14 +2,16 @@ http://groupoid.space/
 https://github.com/groupoid/groupoid.space/
 http://groupoid.space/team.html
 https://sheaf.space/
-http://tonpa.guru/cast/
+https://tonpa.guru/cast/
+https://tonpa.guru/stream/2023/2023-04-30%20%D0%A7%D0%B8%D1%81%D1%82%D0%B0%20%D0%BC%D0%B0%D1%82%D0%B5%D0%BC%D0%B0%D1%82%D0%B8%D0%BA%D0%B0.htm
 
-https://github.com/5HT
 https://github.com/axiosis/books
 
+https://5ht.co/
 https://mokum.place/5ht
 http://tonpa.guru/stream/
     http://tonpa.guru/stream/2019/2019-01-06%20%D0%9F%D0%BE%D1%81%D0%BB%D0%B0%D0%BD%D0%B8%D0%B5%20%D1%85%D0%B5%D0%B9%D1%82%D0%B5%D1%80%D0%B0%D0%BC.htm
+https://github.com/5HT
 
 https://github.com/groupoid/infinity
 http://groupoid.space/mltt/types/
diff --git a/science/hott/n2o.txt b/science/hott/n2o.txt
deleted file mode 100644
index 44786b0db..000000000
--- a/science/hott/n2o.txt
+++ /dev/null
@@ -1 +0,0 @@
-https://synrc.com/apps/n2o/