diff --git a/db/sql/features/index/articles.txt b/db/sql/features/index/articles.txt
new file mode 100644
index 000000000..af83402ac
--- /dev/null
+++ b/db/sql/features/index/articles.txt
@@ -0,0 +1,2 @@
+2023
+https://markshevchenko.pro/articles/index-theory/
diff --git a/devops/awesome.txt b/devops/awesome.txt
index 14c14d93a..52ef4c4d9 100644
--- a/devops/awesome.txt
+++ b/devops/awesome.txt
@@ -1,3 +1,4 @@
+https://github.com/awesome-soft/awesome-devops
 https://github.com/binhnguyennus/awesome-scalability
 https://github.com/dastergon/awesome-sre
 https://github.com/upgundecha/howtheysre
diff --git a/devops/k8s/tools/kubernetes-policy-controller.txt b/devops/k8s/tools/policy/kubernetes-policy-controller.txt
similarity index 100%
rename from devops/k8s/tools/kubernetes-policy-controller.txt
rename to devops/k8s/tools/policy/kubernetes-policy-controller.txt
diff --git a/devops/k8s/tools/policy/kyverno.txt b/devops/k8s/tools/policy/kyverno.txt
new file mode 100644
index 000000000..21204f0e3
--- /dev/null
+++ b/devops/k8s/tools/policy/kyverno.txt
@@ -0,0 +1,2 @@
+https://kyverno.io/
+https://github.com/kyverno/kyverno
diff --git a/net/proto/osi.txt b/net/proto/osi.txt
index 980617b4a..d0c1910d6 100644
--- a/net/proto/osi.txt
+++ b/net/proto/osi.txt
@@ -1,2 +1,4 @@
+2023
+https://skillbox.ru/media/code/chto-takoe-model-osi-i-zachem-ona-nuzhna-prepariruem-sloyenyy-pirog-interneta/
 2022
 https://www.securitylab.ru/analytics/533599.php
diff --git a/nontech/intelligence/ru/alpha.txt b/nontech/intelligence/ru/alpha.txt
new file mode 100644
index 000000000..814a08d59
--- /dev/null
+++ b/nontech/intelligence/ru/alpha.txt
@@ -0,0 +1,3 @@
+2023
+Zhukov - Goblin - Alpha of 1:13:13
+    https://www.youtube.com/watch?v=4CZtXuQZrcg
diff --git a/os/linux/nixos/docs/presentations.txt b/os/linux/nixos/docs/presentations.txt
index 001472084..65e3a576c 100644
--- a/os/linux/nixos/docs/presentations.txt
+++ b/os/linux/nixos/docs/presentations.txt
@@ -1,4 +1,6 @@
 2023
+MoscowProgrammingClub - Nix - Not Only PM 0:00 of 1:49:05
+    https://www.youtube.com/watch?v=0Lhahzs-Wos
 Nixos - Valentin Gagarin - Silvan Mosberger – Paving roads through the jungle (2023 Nix Developer Dialogues) of 1:00:36
     https://www.youtube.com/watch?v=90aB_usqatE
 Nixos - Valentin Gagarin - Rok Garbas – The NixOS hype and where to go from here (2023 Nix Developer Dialogues) of 1:01:12
diff --git a/os/linux/nixos/tools/store/tvix.txt b/os/linux/nixos/tools/store/tvix.txt
new file mode 100644
index 000000000..c1cf9c024
--- /dev/null
+++ b/os/linux/nixos/tools/store/tvix.txt
@@ -0,0 +1,21 @@
+https://tvix.dev/
+https://tvl.fyi/
+    https://code.tvl.fyi/
+https://tvixbolt.tvl.su/
+
+https://cs.tvl.fyi/depot/-/tree/tvix
+https://github.com/tvlfyi/tvix
+
+https://github.com/nix-community/rnix-parser
+https://github.com/nix-community/go-nix
+
+2023
+https://www.tazj.in/blog/tvix-eval-talk-2023
+    https://www.youtube.com/watch?v=7zS2_ZhwPfY 
+https://www.youtube.com/watch?v=j67prAPYScY
+2022
+https://lobste.rs/s/ypwgwp/tvix_we_are_rewriting_nix
+https://tvl.fyi/blog/tvix-status-september-22
+2021
+https://news.ycombinator.com/item?id=29412971
+https://tvl.fyi/blog/rewriting-nix
diff --git a/os/unix/network/virtual-net.txt b/os/unix/network/virtual-net.txt
new file mode 100644
index 000000000..38023228d
--- /dev/null
+++ b/os/unix/network/virtual-net.txt
@@ -0,0 +1,2 @@
+2018
+https://developers.redhat.com/blog/2018/10/22/introduction-to-linux-interfaces-for-virtual-networking
diff --git a/pl/cross/methodologies/architecture/hexagonal.txt b/pl/cross/methodologies/architecture/hexagonal.txt
index 559e602b0..6bc77b7e4 100644
--- a/pl/cross/methodologies/architecture/hexagonal.txt
+++ b/pl/cross/methodologies/architecture/hexagonal.txt
@@ -1,6 +1,8 @@
 2023
 https://www.arhohuttunen.com/hexagonal-architecture/
+    https://www.arhohuttunen.com/hexagonal-architecture-spring-boot/
     https://habr.com/ru/companies/timeweb/articles/771338/
+    https://github.com/arhohuttunen/spring-boot-hexagonal-architecture
 2021
 https://huseyinbabal.com/2021/10/15/hexagonal-architecture-in-java-simplified/
     https://github.com/huseyinbabal/hexagonal-architecture
diff --git a/pl/java/jvm/internals/bytecode.txt b/pl/java/jvm/internals/bytecode.txt
index 302a51b61..05ed8143e 100644
--- a/pl/java/jvm/internals/bytecode.txt
+++ b/pl/java/jvm/internals/bytecode.txt
@@ -7,6 +7,7 @@ https://habr.com/ru/articles/759990/
 CSC - Valeev - ByteCode and GC 0:00 of 1:19:40
     https://www.youtube.com/watch?v=7Cj_aAzaRnk
 2021
+https://www.baeldung.com/java-build-compiler-plugin
 https://habr.com/ru/post/552954/
 https://blog.jamesdbloom.com/JavaCodeToByteCode_PartOne.html
 2020
diff --git a/pl/java/libfws/spring/data/features/domain-events.txt b/pl/java/libfws/spring/data/features/domain-events.txt
new file mode 100644
index 000000000..0bcb8920d
--- /dev/null
+++ b/pl/java/libfws/spring/data/features/domain-events.txt
@@ -0,0 +1,3 @@
+2021
+https://medium.com/javarevisited/spring-data-power-of-domain-events-62cb212a42a2
+    https://nuancesprog.ru/p/16033/
diff --git a/pl/java/libfws/spring/features/context.txt b/pl/java/libfws/spring/features/context.txt
new file mode 100644
index 000000000..6f7bca50f
--- /dev/null
+++ b/pl/java/libfws/spring/features/context.txt
@@ -0,0 +1,2 @@
+2023
+https://habr.com/ru/companies/jugru/articles/762632/
diff --git a/science/algo/crdt.txt b/science/algo/crdt.txt
deleted file mode 100644
index 1f04e4d11..000000000
--- a/science/algo/crdt.txt
+++ /dev/null
@@ -1,3 +0,0 @@
-2015
-Consistency without Consensus: CRDTs in Production at SoundCloud
-    http://www.infoq.com/presentations/crdt-soundcloud
diff --git a/science/ds/crdt/presentations.txt b/science/ds/crdt/presentations.txt
index 57d6be4a2..831649255 100644
--- a/science/ds/crdt/presentations.txt
+++ b/science/ds/crdt/presentations.txt
@@ -1,3 +1,5 @@
+2023
+https://slides.com/cblpsu/crdt
 2020
 Kleppmann - CRDTs - The Hard Parts
     https://www.youtube.com/watch?v=x7drE24geUw
@@ -18,6 +20,9 @@ Kleppmann - CRDTs and the quest for distributed consistency
     https://www.infoq.com/presentations/crdt-distributed-consistency
     https://www.infoq.com/news/2018/03/data-consistency-crdto
     https://qconlondon.com/london2018/presentation/crdts-and-quest-distributed-consistency
+2015
+Consistency without Consensus: CRDTs in Production at SoundCloud
+    http://www.infoq.com/presentations/crdt-soundcloud
 2013
 http://lanyrd.com/2013/riconwest/scmzrm/
 https://speakerdeck.com/lenary/crdts-an-update-or-just-a-put