diff --git a/docs/blog/posts/250107-willkommen-auf-meinem-blog.md b/docs/blog/posts/250107-willkommen-auf-meinem-blog.md
index 21f4d64..95058a4 100644
--- a/docs/blog/posts/250107-willkommen-auf-meinem-blog.md
+++ b/docs/blog/posts/250107-willkommen-auf-meinem-blog.md
@@ -1,5 +1,5 @@
 ---
-comments: false
+isso: true
 pdf: false
 date: 2024-01-07
 authors:
diff --git a/docs/techstack/index.md b/docs/techstack/index.md
index 05141f2..17d3daa 100644
--- a/docs/techstack/index.md
+++ b/docs/techstack/index.md
@@ -1,3 +1,106 @@
 # Tech-Stack
 
-TBD
\ No newline at end of file
+!!! warnung "Bitte um Beachtung"
+
+    Diese Liste ist derzeit in Arbeit und bei weitem noch nicht vollständig.
+
+## Bug tracking system, project management software
+
+* Atlassian Jira
+* Bugzilla
+* Forgejo
+* Gitea
+* Gitlab
+* GitHub
+* Redmine
+
+## CI/CD
+
+* Forgejo/Gitea/GitHub Actions
+* Gitlab CI
+* GoCD
+* Jenkins
+* Woodpecker CI
+
+## Configuration Management / Infrastructure as Code (IaC)
+
+* Ansible
+
+## DevOps software package
+
+* Forgejo
+* Gitea
+* GitHub
+* Gitlab
+
+## Hypervisor and distributions
+
+### Type-1, native or bare-metal hypervisors
+
+* KVM
+* VMware ESXi
+* Xen (Distributions: []())
+
+### Type-2 or hosted hypervisors
+
+* Parallels Desktop
+* UTM
+* VirtualBox
+* VMware Workstation
+
+## IT (Infrastructure) Monitoring
+
+* checkmk
+* Icinga
+* Nagios
+* Prometheus
+* Uptime Kuma
+* Zabbix
+
+## Knowledge-Management-Software
+
+### Note-taking
+
+* Joplin incl. Joplin-Server
+* Notion
+* Outline
+
+### Wiki-Software
+
+* Atlassian Confluence
+* MediaWiki
+* XWiki
+
+## OS-level-virtualization
+
+### Cluster management software
+
+* Kubernetes
+* Nomad
+* Portainer
+
+### Container
+
+* :fontawesome-brands-docker: Docker [https://www.docker.com](https://www.docker.com)
+* Linux Containers (LXC) [http://linuxcontainers.org/](http://linuxcontainers.org/)
+* podman [https://podman.io/](https://podman.io/)
+
+## Productivity software
+
+* LibreOffice
+* Microsoft Office
+* OnlyOffice (mainly used for integration into other software products such as Seafile or NextCloud)
+
+## Service Management, Help Desk
+
+* Freescout
+* OTOBO
+* OTRS
+* Zammad
+* Znuny
+
+## Version Control
+
+* Git
+* Subversion
+
diff --git a/mkdocs.yml b/mkdocs.yml
index 9234b44..c12042e 100644
--- a/mkdocs.yml
+++ b/mkdocs.yml
@@ -128,16 +128,18 @@ extra:
   social:
     - icon: fontawesome/brands/github
       link: https://github.com/stiebke
-    - icon: fontawesome/brands/linkedin
-      link: https://de.linkedin.com/in/stiebke
-    - icon: fontawesome/brands/xing
-      link: https://www.xing.com/profile/Stephan_Hadan
+    - icon: fontawesome/brands/dev
+      link: https://dev.to/stiebke
     - icon: fontawesome/brands/bluesky
       link: https://bsky.app/profile/stiebke.bsky.social
     - icon: fontawesome/brands/mastodon
       link: https://freiburg.social/@stiebke 
     - icon: fontawesome/brands/x-twitter
       link: https://x.com/hadan72
+    - icon: fontawesome/brands/xing
+      link: https://www.xing.com/profile/Stephan_Hadan
+    - icon: fontawesome/brands/linkedin
+      link: https://de.linkedin.com/in/stiebke
     - icon: fontawesome/brands/gitter
       link: https://matrix.to/#/@stiebke:gitter.im
     - icon: fontawesome/brands/signal-messenger
@@ -147,6 +149,8 @@ extra:
     - icon: fontawesome/solid/rss
       link: https://stephan.hadan.de/feed_rss_created.xml
       name: Neueste Blogbeiträge
+  isso:
+    custom_url: https://comments.hadan-it.com
 
 extra_css:
   - assets/css/custom.css
diff --git a/overrides/partials/comments.html b/overrides/partials/comments.html
index fe1657d..2f5f76f 100644
--- a/overrides/partials/comments.html
+++ b/overrides/partials/comments.html
@@ -1,54 +1,19 @@
-{% if page.meta.comments %}
-  <h2 id="__comments">{{ lang.t("meta.comments") }}</h2>
-  <!-- Insert generated snippet here -->
-  <script src="https://giscus.app/client.js"
-    data-repo="stiebke/stiebke.github.io"
-    data-repo-id="R_kgDONXxN1Q"
-    data-category="Show and tell"
-    data-category-id="DIC_kwDONXxN1c4Ck44X"
-    data-mapping="pathname"
-    data-strict="0"
-    data-reactions-enabled="1"
-    data-emit-metadata="0"
-    data-input-position="bottom"
-    data-theme="light"
-    data-lang="de"
-    crossorigin="anonymous"
-    async>
-  </script>  
-  <!-- Synchronize Giscus theme with palette -->
-  <script>
-    var giscus = document.querySelector("script[src*=giscus]")
-
-    // Set palette on initial load
-    var palette = __md_get("__palette")
-    if (palette && typeof palette.color === "object") {
-      var theme = palette.color.scheme === "slate"
-        ? "transparent_dark"
-        : "light"
-
-      // Instruct Giscus to set theme
-      giscus.setAttribute("data-theme", theme) 
-    }
-
-    // Register event handlers after documented loaded
-    document.addEventListener("DOMContentLoaded", function() {
-      var ref = document.querySelector("[data-md-component=palette]")
-      ref.addEventListener("change", function() {
-        var palette = __md_get("__palette")
-        if (palette && typeof palette.color === "object") {
-          var theme = palette.color.scheme === "slate"
-            ? "transparent_dark"
-            : "light"
-
-          // Instruct Giscus to change theme
-          var frame = document.querySelector(".giscus-frame")
-          frame.contentWindow.postMessage(
-            { giscus: { setConfig: { theme } } },
-            "https://giscus.app"
-          )
-        }
-      })
-    })
+{% set isso = config.extra.isso %}
+{% if page and page.meta and page.meta.isso is string %}
+{% set isso = page.meta.isso %}
+{% endif %}
+{% if not page.is_homepage %}
+{# Comment system (Isso) #}
+<div id="__comments">
+  <script
+    data-isso="{{ config.extra.isso.custom_url }}/"
+    data-isso-require-author="true"
+    data-isso-require-email="true"
+    data-isso-reply-to-self="false"
+    data-isso-vote="true"
+    src="{{ config.extra.isso.custom_url }}/js/embed.min.js">
   </script>
-{% endif %}
\ No newline at end of file
+  <hr><section id="isso-thread"><h2>Comments</h2></section>
+  <noscript>Please enable JavaScript to view the comments.</noscript>
+</div>
+{% endif %}