diff --git a/README.md b/README.md
index b1f65411db..d082912cca 100644
--- a/README.md
+++ b/README.md
@@ -224,6 +224,31 @@ comments:
     label:                 # OPTIONAL: Adds an issue label in the issue
 ```
 
+#### Giscus
+
+[Giscus](https://giscus.app/) is another open source alternative linked to one's GitHub account.
+It stores the comments as GitHub discussions on a repository for each page.
+
+Install the giscus [app](https://github.com/apps/giscus) to your repo.
+After installing, add your info in the `_config.yml`:
+
+```yaml
+comments:
+  giscus:                   # Enable by filling below information. For more info, go to https://giscus.app
+    repo:                   # Your public comments repository (e.g. owner/repo)
+    repo-id:                # Your repo id, go to https://giscus.app to check it
+    category:               # Category to search discussions. When removed, discussions will be searched in all categories
+    category-id:            # Your category id, go to https://giscus.app to check it
+    mapping:                # Discussion mapping
+    term:                   # OPTIONAL: some mappings require specific term, go to https://giscus.app to check it
+    strict: 1               # OPTIONAL: Avoid mismatches on similar titles
+    reactions-enabled: 0    # OPTIONAL: Disable reactions
+    emit-metadata: 1        # OPTIONAL: Emit discussion metadata
+    input-position: top     # OPTIONAL: Place the comment box above the comments
+    theme:                  # OPTIONAL: Take the `color_theme` by default, or set a custom one like dark_dimmed
+    lang:                   # OPTIONAL: Choose the language. "en" is used by default
+```
+
 ### Math typesetting with KateX
 
 When KateX is set in `_config.yml`:
diff --git a/_config.yml b/_config.yml
index bfd55a4246..e6885f8283 100644
--- a/_config.yml
+++ b/_config.yml
@@ -36,6 +36,12 @@ comments:
   utterances:                                           # Enable by filling below information. For more info, go to https://utteranc.es
     repo:                                               # your public comments repository (e.g. owner/repo)
     issue-term:                                         # Issue term (e.g. "comment" consider issues with this word in the title as comments)
+  giscus:                                               # Enable by filling below information. For more info, go to https://giscus.app
+    repo:                                               # Your public comments repository (e.g. owner/repo)
+    repo-id:                                            # Your repo id, go to https://giscus.app to check it
+    category:                                           # Category to search discussions. When removed, discussions will be searched in all categories.
+    category-id:                                        # Your category id, go to https://giscus.app to check it
+    mapping:                                            # Discussion mapping
 
 # PAGINATION
 paginate: 5
diff --git a/_includes/blog/post_footer.liquid b/_includes/blog/post_footer.liquid
index 67bb5d606a..dcbf150291 100644
--- a/_includes/blog/post_footer.liquid
+++ b/_includes/blog/post_footer.liquid
@@ -39,6 +39,11 @@
         {% include blog/post_nav.liquid %}
     {% endif %}
 
+    <!-- Giscus -->
+    {% if site.comments.giscus.repo and site.comments.giscus.repo-id and site.comments.giscus.category-id and site.comments.giscus.mapping %}
+        {% include social/giscus.liquid %}
+    {% endif %}
+
     <!--Utterances-->
     {% if site.comments.utterances.repo and site.comments.utterances.issue-term %}
         {% include social/utterances.liquid %}
diff --git a/_includes/social/giscus.liquid b/_includes/social/giscus.liquid
new file mode 100644
index 0000000000..2cac36443f
--- /dev/null
+++ b/_includes/social/giscus.liquid
@@ -0,0 +1,17 @@
+<script src="https://giscus.app/client.js"
+        data-repo="{{ site.comments.giscus.repo }}"
+        data-repo-id="{{ site.comments.giscus.repo-id }}"
+        {% if site.comments.giscus.category %}data-category="{{ site.comments.giscus.category }}"{% endif %}
+        data-category-id="{{ site.comments.giscus.category-id }}"
+        data-mapping="{{ site.comments.giscus.mapping }}"
+        {% if site.comments.giscus.term %}data-term="{{ site.comments.giscus.term }}"{% endif %}
+        data-strict="{% if site.comments.giscus.strict %}{{ site.comments.giscus.strict }}{% else %}0{% endif %}"
+        data-reactions-enabled="{% if site.comments.giscus.reactions-enabled %}{{ site.comments.giscus.reactions-enabled }}{% else %}1{% endif %}"
+        data-emit-metadata="{% if site.comments.giscus.emit-metadata %}{{ site.comments.giscus.emit-metadata }}{% else %}0{% endif %}"
+        data-input-position="{% if site.comments.giscus.input-position %}{{ site.comments.giscus.input-position }}{% else %}bottom{% endif %}"
+        data-theme="{% if site.comments.giscus.theme %}{{ site.comments.giscus.theme }}{% elsif site.color_theme == 'dark' %}dark{% else %}light{% endif %}"
+        data-lang="{% if site.comments.giscus.lang %}{{ site.comments.giscus.lang }}{% else %}en{% endif %}"
+        {% if site.comments.giscus.loading %}data-loading="{{ site.comments.giscus.loading }}"{% endif %}
+        crossorigin="anonymous"
+        async>
+</script>