diff --git a/app/assets/stylesheets/simple_discussion.scss b/app/assets/stylesheets/simple_discussion.scss
index c63f794..507cce2 100644
--- a/app/assets/stylesheets/simple_discussion.scss
+++ b/app/assets/stylesheets/simple_discussion.scss
@@ -248,8 +248,13 @@
   border: 1px solid #80808029;
 
   .card-body {
+    overflow-x: auto;
     margin-top: 16px;
   }
+  .card-body iframe {
+    border-radius: $post-body-border-radius;
+    border: 2px solid #80808029;
+  }
 }
 
 // Formatting the listtile for user details
@@ -296,3 +301,25 @@
 .thread-page-container {
   padding: 24px;
 }
+
+.preview::before {
+  content: "Preview";
+  width: 80px;
+}
+
+p {
+  font-size: 18px;
+}
+
+blockquote {
+  border-left: 5px solid #e9ecef;
+  padding: 10px 20px;
+  margin: 10px 0;
+  font-size: 18px;
+  font-weight: 500;
+  color: #6c757d;
+}
+
+.CodeMirror-line span {
+  font-size: 18px;
+}
diff --git a/app/helpers/simple_discussion/forum_posts_helper.rb b/app/helpers/simple_discussion/forum_posts_helper.rb
index c63c4a6..f642614 100644
--- a/app/helpers/simple_discussion/forum_posts_helper.rb
+++ b/app/helpers/simple_discussion/forum_posts_helper.rb
@@ -1,3 +1,46 @@
+require "redcarpet"
+class CustomRenderer < Redcarpet::Render::HTML
+  def initialize(circuit_embed: false, video_embed: false, user_tagging: false)
+    @circuit_embed = circuit_embed
+    @video_embed = video_embed
+    @user_tagging = user_tagging
+    super()
+  end
+
+  def image(url, title, alt_text)
+    case alt_text
+    when "Circuit"
+      if @circuit_embed
+        "<iframe width=\"540\" height=\"300\" src=\"#{url}\" frameborder=\"0\"></iframe><br>"
+      else
+        "<img src=\"#{url}\" alt=\"#{alt_text}\" title=\"#{title}\"><br>"
+      end
+    when "Video"
+      if @video_embed
+        video_id = url.split("v=")[1].split("&")[0]
+        "<iframe width=\"540\" height=\"300\" src=\"https://www.youtube.com/embed/#{video_id}\" frameborder=\"0\" allowfullscreen></iframe><br>"
+      else
+        "<img src=\"#{url}\" alt=\"#{alt_text}\" title=\"#{title}\"><br>"
+      end
+    else
+      # default image rendering
+      "<img src=\"#{url}\" alt=\"#{alt_text}\" title=\"#{title}\"><br>"
+    end
+  end
+
+  def link(link, _title, content)
+    if @user_tagging && link.start_with?("/users/")
+      uri = URI.parse(link)
+      uri.path =~ %r{^/users/\d+/?$}
+      # remove the brackets from the content
+      content = content.gsub(/[()]/, "")
+      "<a class='tag-user' target='_blank' href=\"#{link}\">#{content}</a>"
+    else
+      "<a href=\"#{link}\">#{content}</a>"
+    end
+  end
+end
+
 module SimpleDiscussion::ForumPostsHelper
   def category_link(category)
     link_to category.name, simple_discussion.forum_category_forum_threads_path(category),
@@ -6,7 +49,20 @@ def category_link(category)
 
   # Override this method to provide your own content formatting like Markdown
   def formatted_content(text)
-    simple_format(text)
+    options = {
+      hard_wrap: true,
+      filter_html: true,
+      autolink: true,
+      tables: true
+    }
+
+    renderer = CustomRenderer.new(
+      circuit_embed: SimpleDiscussion.markdown_circuit_embed,
+      video_embed: SimpleDiscussion.markdown_video_embed,
+      user_tagging: SimpleDiscussion.markdown_user_tagging
+    )
+    markdown = Redcarpet::Markdown.new(renderer, options)
+    markdown.render(text).html_safe
   end
 
   def forum_post_classes(forum_post)
diff --git a/app/views/layouts/simple_discussion.html.erb b/app/views/layouts/simple_discussion.html.erb
index c4f1dd5..64d665a 100644
--- a/app/views/layouts/simple_discussion.html.erb
+++ b/app/views/layouts/simple_discussion.html.erb
@@ -76,6 +76,10 @@
 
 <% parent_layout("application") %>
 
+<link rel="stylesheet" href="https://cdn.jsdelivr.net/simplemde/latest/simplemde.min.css">
+<script src="https://cdn.jsdelivr.net/simplemde/latest/simplemde.min.js"></script>
+<script src="https://cdn.jsdelivr.net/npm/bootstrap@5.3.3/dist/js/bootstrap.min.js"></script>
+
 <script type="module">
   import { Application, Controller } from "https://unpkg.com/@hotwired/stimulus/dist/stimulus.js"
   window.Stimulus = Application.start()
@@ -99,7 +103,6 @@
     }
   })
 
-
   Stimulus.register("report-post", class extends Controller {
     static targets = ["reportPostButton"]
 
@@ -117,4 +120,249 @@
       })
     }
   })
+
+  import marked from 'https://cdn.jsdelivr.net/npm/marked@13.0.3/+esm'
+
+  Stimulus.register("simplemde", class extends Controller {
+    static values = {
+      circuitEmbed: Boolean,
+      videoEmbed: Boolean,
+      userTagging: Boolean
+    };
+
+    static targets = ["tagDropdown", "textarea"]
+
+    connect() {
+      this.tagDropdownTarget.style.display = "none"
+      this.initializeEditor(this.tagDropdownTarget);
+      this.initializeModals();
+      this.initializeUserTaggingDropdown();
+
+      const previewButton = document.querySelector(".preview")
+      previewButton.style.width = "80px"
+      previewButton.style.height = "34px"
+    }
+
+    initializeEditor(dropdown) {
+      const customButtons = [];
+
+      if (this.circuitEmbedValue) {
+        customButtons.push({
+          name: "embed-circuit",
+          action: this.openEmbedCircuitModal.bind(this),
+          className: "fa fa-microchip",
+          title: "Embed Circuit",
+        });
+      }
+
+      if (this.videoEmbedValue) {
+        customButtons.push({
+          name: "embed-video",
+          action: this.openEmbedVideoModal.bind(this),
+          className: "fa fa-film",
+          title: "Embed Video",
+        });
+      }
+
+      if (this.userTaggingValue) {
+        customButtons.push({
+          name: "tag-user",
+          action: (editor) => {
+            if (dropdown.querySelectorAll("button").length > 0) {
+              editor.codemirror.replaceSelection("@");
+              return;
+            }
+            const cursor = editor.codemirror.getCursor();
+            editor.codemirror.replaceSelection(`[@(name)](link_to_profile)`);
+            editor.codemirror.setCursor(cursor.line, cursor.ch + 2);
+            editor.codemirror.setSelection(
+              { line: cursor.line, ch: cursor.ch + 3 },
+              { line: cursor.line, ch: cursor.ch + 7 },
+            );
+            editor.codemirror.focus();
+          },
+          className: "fa fa-at",
+          title: "Tag User",
+        });
+
+      }
+
+      const toolbarOptions = [
+        {
+          name: "bold",
+          action: SimpleMDE.toggleBold,
+          className: "fa fa-bold",
+          title: "Bold",
+        },
+        {
+          name: "italic",
+          action: SimpleMDE.toggleItalic,
+          className: "fa fa-italic",
+          title: "Italic",
+        },
+        {
+          name: "heading",
+          action: SimpleMDE.toggleHeadingSmaller,
+          className: "fa fa-header",
+          title: "Heading",
+        },
+        "|",
+        {
+          name: "quote",
+          action: SimpleMDE.toggleBlockquote,
+          className: "fa fa-quote-left",
+          title: "Quote",
+        },
+        {
+          name: "unordered-list",
+          action: SimpleMDE.toggleUnorderedList,
+          className: "fa fa-list-ul",
+          title: "Unordered List",
+        },
+        {
+          name: "ordered-list",
+          action: SimpleMDE.toggleOrderedList,
+          className: "fa fa-list-ol",
+          title: "Ordered List",
+        },
+        "|",
+        {
+          name: "link",
+          action: SimpleMDE.drawLink,
+          className: "fa fa-link",
+          title: "Create Link",
+        },
+        ...customButtons,
+        "|",
+        {
+          name: "preview",
+          className: "preview no-disable",
+          action: function(editor) {
+            SimpleMDE.togglePreview(editor);
+          },
+          title: "Preview",
+        },
+      ];
+
+      this.editor = new SimpleMDE({
+        element: this.textareaTarget,
+        forceSync: true,
+        toolbar: toolbarOptions,
+        spellChecker: false,
+        previewRender: (plainText, preview) => {
+          let markdownText = this.customMarkdownParser(plainText);
+          return (preview.innerHTML = marked(markdownText));
+        },
+      });
+    }
+
+    customMarkdownParser(markdownText) {
+      let parsedText = markdownText;
+
+      // ![Circuit](link_to_circuit) => <iframe src="link_to_circuit" width="540" height="300" frameborder="0"></iframe>
+      if (this.circuitEmbedValue) {
+        const embedCircuitPattern = /!\[Circuit\]\(([^)]+)\)/g;
+        parsedText = parsedText.replace(embedCircuitPattern, (match, circuitURL) =>
+          `<iframe src="${circuitURL}" width="540" height="300" frameborder="0"></iframe><br>`
+        );
+      }
+
+      // [Video](link_to_video) => <iframe width="540" height="300" src="link_to_video" frameborder="0" allowfullscreen></iframe>
+      if (this.videoEmbedValue) {
+        const embedVideoPattern = /!\[Video\]\(([^)]+)\)/g;
+        parsedText = parsedText.replace(embedVideoPattern, (match, videoURL) => {
+          const videoId = videoURL.split("v=")[1].split("&")[0];
+          return `<iframe width="540" height="300" src="https://www.youtube.com/embed/${videoId}" frameborder="0" allowfullscreen></iframe><br>`;
+        });
+      }
+
+      // [@(name)](link_to_profile) => <a class="tag-user" target="blank" href="link_to_profile">@name</a>
+      if (this.userTaggingValue) {
+        const tagUserPattern = /\[@\(([^)]+)\)\]\(([^)]+)\)/g;
+        parsedText = parsedText.replace(tagUserPattern, (match, username, profileURL) =>
+          `<a class="tag-user" target="_blank" href="${profileURL}">@${username}</a>`
+        );
+      }
+
+      return parsedText;
+    }
+
+    initializeModals() {
+      this.circuitModal = new bootstrap.Modal(document.getElementById('embedCircuitModal'));
+      document.getElementById('insertCircuitEmbed').addEventListener('click', this.insertCircuitEmbed.bind(this));
+
+      this.videoModal = new bootstrap.Modal(document.getElementById('embedVideoModal'));
+      document.getElementById('insertVideoEmbed').addEventListener('click', this.insertVideoEmbed.bind(this));
+    }
+
+    openEmbedCircuitModal() {
+      this.circuitModal.show();
+    }
+
+    openEmbedVideoModal() {
+      this.videoModal.show();
+    }
+
+    insertCircuitEmbed() {
+      const embedLink = document.getElementById('circuitEmbedLink').value;
+      if (embedLink) {
+        this.editor.codemirror.replaceSelection(`![Circuit](${embedLink})`);
+      }
+      this.circuitModal.hide();
+    }
+
+    insertVideoEmbed() {
+      const embedLink = document.getElementById('videoEmbedLink').value;
+      if (embedLink) {
+        this.editor.codemirror.replaceSelection(`![Video](${embedLink})`);
+      }
+      this.videoModal.hide();
+    }
+
+    initializeUserTaggingDropdown() {
+      let codemirror = this.editor.codemirror;
+      // Tag User Dropdown
+      const dropdown = this.tagDropdownTarget
+      this.editor.codemirror.on("change", function(cm, change) {
+        const cursorPos = cm.cursorCoords(true, "local")
+        const editorAreaPos = document.querySelector(".CodeMirror").getBoundingClientRect()
+        // we need to check whether dropdown have atleast one user to show it 
+        if (change.origin === "+input" && change.text[0] === "@" && dropdown.querySelectorAll("button").length > 0) {
+          dropdown.style.display = "block"
+          dropdown.style.position = "relative"
+          dropdown.style.top = `${cursorPos.top - editorAreaPos.height - 50}px`
+          dropdown.style.left = `${cursorPos.left}px`
+        }
+        // if backspace is pressed and dropdown is visible then hide it
+        if (change.origin === "+delete" && change.removed[0] === "@") {
+          dropdown.style.display = "none"
+        }
+        // basic search as user types in the textarea after @
+        const searchQuery = change.text[0] === "@" ? change.text.join("").slice(1) : change.text.join("")
+        const dropdownButtons = dropdown.querySelectorAll("button")
+        dropdownButtons.forEach(button => {
+          if (button.dataset.name.toLowerCase().includes(searchQuery.toLowerCase())) {
+            button.style.display = "block"
+          } else {
+            button.style.display = "none"
+          }
+        })
+      });
+
+      // when clicked on dropdown buttons its value should get inserted in the textarea
+      const dropdownButtons = dropdown.querySelectorAll("button")
+      dropdownButtons.forEach(button => {
+        button.addEventListener("click", (event) => {
+          const cursor = codemirror.getCursor()
+          // remove the untill @ from the text
+          const line = codemirror.getLine(cursor.line)
+          const start = line.lastIndexOf("@")
+          codemirror.replaceRange("", { line: cursor.line, ch: start }, cursor)
+          codemirror.replaceRange(`[@(${event.target.dataset.name})](${event.target.dataset.profileLink})`, cursor)
+          dropdown.style.display = "none"
+        })
+      })
+
+    }
+  })
 </script>
diff --git a/app/views/simple_discussion/forum_posts/_form.html.erb b/app/views/simple_discussion/forum_posts/_form.html.erb
index 1a99524..c982866 100644
--- a/app/views/simple_discussion/forum_posts/_form.html.erb
+++ b/app/views/simple_discussion/forum_posts/_form.html.erb
@@ -1,7 +1,14 @@
 <div class="mt-4"></div>
 <%= form_for [@forum_thread, @forum_post],
   url: (@forum_post.persisted? ? simple_discussion.forum_thread_forum_post_path(@forum_thread, @forum_post) : simple_discussion.forum_thread_forum_posts_path(@forum_thread)),
-  html: { data: { behavior: "comment-form" } } do |f| %>
+  html: {
+    data: {
+      controller: "simplemde",
+      simplemde_circuit_embed_value: SimpleDiscussion.markdown_circuit_embed,
+      simplemde_user_tagging_value: SimpleDiscussion.markdown_user_tagging,
+      simplemde_video_embed_value: SimpleDiscussion.markdown_video_embed,
+    }
+  } do |f| %>
 
   <% if @forum_post.errors.any? %>
     <div class="alert alert-danger" role="alert">
@@ -11,14 +18,74 @@
     </div>
   <% end %>
 
-<div class="d-block position-relative">
-  <div class="form-group">
-    <%= f.text_area :body, placeholder: t('add_a_comment'), rows: 8, class: "form-control simplemde", data: { behavior: "comment-body" } %>
+  <div class="d-block position-relative">
+    <div class="form-group">
+      <%= f.text_area :body, placeholder: t('add_a_comment'), rows: 8, class: "form-control", data: { simplemde_target: "textarea" } %>
+    </div>
+    <%= f.button "#{f.object.new_record? ? t('comment') : t('update_comment')}", class: "btn forum-primary-btn", style: "bottom: 10px; right: 10px", data: { disable_with: "<i class='fa fa-spinner fa-spin'></i> #{t('saving_comment')}" } %>
   </div>
-  <%= f.button "#{f.object.new_record? ? t('comment') : t('update_comment')  }", class: "btn forum-primary-btn", style: "bottom: 10px; right: 10px", data: {disable_with: "<i class='fa fa-spinner fa-spin'></i> #{t('saving_comment')}"} %>
-</div>
-
-  <%# Describe text formatting options here with a link %>
-  <%#= link_to "Parsed with Markdown", "https://guides.github.com/features/mastering-markdown/", target: "_blank" %>
 
+  <!-- Users for tagging -->
+  <div class="dropdown-menu" data-simplemde-target="tagDropdown">
+    <% users = User.joins(forum_posts: :forum_thread)
+                   .where(forum_threads: { id: @forum_thread.id })
+                   .distinct %>
+    <% users.each do |user| %>
+      <button class="dropdown-item" type="button" data-name="<%= user.name %>" data-profile-link="<%= user_profile_link(user) %>">
+        <%# image_tag user.profile_picture, class: "rounded-circle", style: "width: 20px; height: 20px" %>
+        <img class="rounded-circle mr-1" src="<%= gravatar_url_for(@forum_post.user.email, size: 24) %>" alt="avatar of user">
+        <%= user.name %>
+      </button>
+    <% end %>
+  </div>
 <% end %>
+
+<!-- Embed Circuit Modal -->
+<div class="modal fade" id="embedCircuitModal" tabindex="-1" aria-labelledby="embedCircuitModalLabel" aria-hidden="true">
+  <div class="modal-dialog modal-dialog-centered">
+    <div class="modal-content">
+      <div class="modal-header">
+        <h5 class="modal-title" id="embedCircuitModalLabel">Embed Circuit</h5>
+        <button type="button" class="close" data-bs-dismiss="modal" aria-label="Close">
+          <span aria-hidden="true">&times;</span>
+        </button>
+      </div>
+      <div class="modal-body">
+        <form>
+          <div class="mb-3">
+            <label for="circuitEmbedLink" class="form-label">Circuit Embed Link:</label>
+            <input class="form-control" id="circuitEmbedLink" placeholder="Enter the circuit embed link">
+          </div>
+        </form>
+      </div>
+      <div class="modal-footer">
+        <button type="button" class="btn forum-primary-btn" id="insertCircuitEmbed">Insert</button>
+      </div>
+    </div>
+  </div>
+</div>
+
+<!-- Embed Video Modal -->
+<div class="modal fade" id="embedVideoModal" tabindex="-1" aria-labelledby="embedVideoModalLabel" aria-hidden="true">
+  <div class="modal-dialog modal-dialog-centered">
+    <div class="modal-content">
+      <div class="modal-header">
+        <h5 class="modal-title" id="embedVideoModalLabel">Embed YouTube Video</h5>
+        <button type="button" class="close" data-bs-dismiss="modal" aria-label="Close">
+          <span aria-hidden="true">&times;</span>
+        </button>
+      </div>
+      <div class="modal-body">
+        <form>
+          <div class="mb-3">
+            <label for="videoEmbedLink" class="form-label">YouTube Video Link:</label>
+            <input type="url" pattern="https://*" class="form-control" id="videoEmbedLink" placeholder="Enter the YouTube video link">
+          </div>
+        </form>
+      </div>
+      <div class="modal-footer">
+        <button type="button" class="btn forum-primary-btn" id="insertVideoEmbed">Insert</button>
+      </div>
+    </div>
+  </div>
+</div>
diff --git a/app/views/simple_discussion/forum_posts/_spam_report.html.erb b/app/views/simple_discussion/forum_posts/_spam_report.html.erb
index 87e4148..7e75a34 100644
--- a/app/views/simple_discussion/forum_posts/_spam_report.html.erb
+++ b/app/views/simple_discussion/forum_posts/_spam_report.html.erb
@@ -31,7 +31,7 @@
 
   <td>
     <div class="d-flex flex-row justify-content-between align-items-center p-2">
-      <%= link_to spam_report.user.name, user_path(spam_report.user), class: "btn btn-outline-primary", title: t('user_profile') %>
+      <%= link_to spam_report.user.name, user_profile_link(spam_report.user), class: "btn btn-outline-primary", title: t('user_profile') %>
     </div>
   </td>
   <td>
diff --git a/app/views/simple_discussion/forum_threads/_form.html.erb b/app/views/simple_discussion/forum_threads/_form.html.erb
index 49e37e8..cbf9318 100644
--- a/app/views/simple_discussion/forum_threads/_form.html.erb
+++ b/app/views/simple_discussion/forum_threads/_form.html.erb
@@ -1,6 +1,14 @@
 <%= form_for @forum_thread,
    url: (@forum_thread.persisted? ? simple_discussion.forum_thread_path(@forum_thread) : simple_discussion.forum_threads_path),
-   html: { data: {behavior: "comment-form"} } do |f| %>
+   html: {
+     data: {
+       behavior: "comment-form", 
+       controller: "simplemde",
+       simplemde_circuit_embed_value: SimpleDiscussion.markdown_circuit_embed,
+       simplemde_user_tagging_value: SimpleDiscussion.markdown_user_tagging,
+       simplemde_video_embed_value: SimpleDiscussion.markdown_video_embed,
+     }
+   } do |f| %>
 
   <% if @forum_thread.errors.any? %>
     <div class="alert alert-danger" role="alert">
@@ -24,7 +32,7 @@
     <%= f.fields_for :forum_posts do |p| %>
       <div class="form-group">
         <%= p.label :body, t('what_help_needed') %>
-        <%= p.text_area :body, placeholder: t('add_a_comment'), rows: 10, class: "form-control simplemde", data: { behavior: "comment-body" } %>
+        <%= p.text_area :body, placeholder: t('add_a_comment'), rows: 10, class: "form-control simplemde", data: { behavior: "comment-body", simplemde_target: "textarea" } %>
       </div>
     <% end %>
   <% end %>
@@ -36,4 +44,58 @@
       <%= f.button "Update Thread", class: "btn forum-primary-btn", data: {disable_with: "<i class='fa fa-spinner fa-spin'></i> #{t('saving')}"} %>
     <% end %>
   </div>
+
+  <!-- Empty div so that no error from stimulus controller-->
+  <div class="dropdown-menu" data-simplemde-target="tagDropdown">
+  </div>
 <% end %>
+
+<!-- Embed Circuit Modal -->
+<div class="modal fade" id="embedCircuitModal" tabindex="-1" aria-labelledby="embedCircuitModalLabel" aria-hidden="true">
+  <div class="modal-dialog modal-dialog-centered">
+    <div class="modal-content">
+      <div class="modal-header">
+        <h5 class="modal-title" id="embedCircuitModalLabel">Embed Circuit</h5>
+        <button type="button" class="close" data-bs-dismiss="modal" aria-label="Close">
+          <span aria-hidden="true">&times;</span>
+        </button>
+      </div>
+      <div class="modal-body">
+        <form>
+          <div class="mb-3">
+            <label for="circuitEmbedLink" class="form-label">Circuit Embed Link:</label>
+            <input class="form-control" id="circuitEmbedLink" placeholder="Enter the circuit embed link">
+          </div>
+        </form>
+      </div>
+      <div class="modal-footer">
+        <button type="button" class="btn forum-primary-btn" id="insertCircuitEmbed">Insert</button>
+      </div>
+    </div>
+  </div>
+</div>
+
+<!-- Embed Video Modal -->
+<div class="modal fade" id="embedVideoModal" tabindex="-1" aria-labelledby="embedVideoModalLabel" aria-hidden="true">
+  <div class="modal-dialog modal-dialog-centered">
+    <div class="modal-content">
+      <div class="modal-header">
+        <h5 class="modal-title" id="embedVideoModalLabel">Embed YouTube Video</h5>
+        <button type="button" class="close" data-bs-dismiss="modal" aria-label="Close">
+          <span aria-hidden="true">&times;</span>
+        </button>
+      </div>
+      <div class="modal-body">
+        <form>
+          <div class="mb-3">
+            <label for="videoEmbedLink" class="form-label">YouTube Video Link:</label>
+            <input type="url" pattern="https://*" class="form-control" id="videoEmbedLink" placeholder="Enter the YouTube video link">
+          </div>
+        </form>
+      </div>
+      <div class="modal-footer">
+        <button type="button" class="btn forum-primary-btn" id="insertVideoEmbed">Insert</button>
+      </div>
+    </div>
+  </div>
+</div>
diff --git a/app/views/simple_discussion/forum_threads/show.html.erb b/app/views/simple_discussion/forum_threads/show.html.erb
index fb4f016..3201d9f 100644
--- a/app/views/simple_discussion/forum_threads/show.html.erb
+++ b/app/views/simple_discussion/forum_threads/show.html.erb
@@ -27,6 +27,7 @@
   </div>
 </div>
 
+
 <div class="d-flex mb-4">
   <div class="thread-details-custom">
     <%= t("created_by") %> <%= @forum_thread.user.name %> • <%= time_ago_in_words(@forum_thread.created_at) %> <%= t("ago") %>
diff --git a/gemfiles/rails_6_1.gemfile.lock b/gemfiles/rails_6_1.gemfile.lock
index cffead0..2f16a98 100644
--- a/gemfiles/rails_6_1.gemfile.lock
+++ b/gemfiles/rails_6_1.gemfile.lock
@@ -6,6 +6,7 @@ PATH
       friendly_id (>= 5.2.0)
       language_filter (>= 0.3.01)
       rails (>= 4.2)
+      redcarpet (>= 3.3.4)
       will_paginate (>= 3.1.0)
 
 GEM
@@ -122,7 +123,7 @@ GEM
     net-smtp (0.5.0)
       net-protocol
     nio4r (2.7.3)
-    nokogiri (1.16.6-x86_64-linux)
+    nokogiri (1.16.7-x86_64-linux)
       racc (~> 1.4)
     orm_adapter (0.5.0)
     parallel (1.25.1)
@@ -165,6 +166,7 @@ GEM
       thor (~> 1.0)
     rainbow (3.1.1)
     rake (13.2.1)
+    redcarpet (3.6.0)
     regexp_parser (2.9.2)
     responders (3.1.1)
       actionpack (>= 5.2)
diff --git a/gemfiles/rails_7.gemfile.lock b/gemfiles/rails_7.gemfile.lock
index 2ded953..427ffc2 100644
--- a/gemfiles/rails_7.gemfile.lock
+++ b/gemfiles/rails_7.gemfile.lock
@@ -6,6 +6,7 @@ PATH
       friendly_id (>= 5.2.0)
       language_filter (>= 0.3.01)
       rails (>= 4.2)
+      redcarpet (>= 3.3.4)
       will_paginate (>= 3.1.0)
 
 GEM
@@ -128,7 +129,7 @@ GEM
     net-smtp (0.5.0)
       net-protocol
     nio4r (2.7.3)
-    nokogiri (1.16.6-x86_64-linux)
+    nokogiri (1.16.7-x86_64-linux)
       racc (~> 1.4)
     orm_adapter (0.5.0)
     parallel (1.25.1)
@@ -171,6 +172,7 @@ GEM
       zeitwerk (~> 2.5)
     rainbow (3.1.1)
     rake (13.2.1)
+    redcarpet (3.6.0)
     regexp_parser (2.9.2)
     responders (3.1.1)
       actionpack (>= 5.2)
diff --git a/gemfiles/rails_7_1.gemfile.lock b/gemfiles/rails_7_1.gemfile.lock
index d2ea195..b603725 100644
--- a/gemfiles/rails_7_1.gemfile.lock
+++ b/gemfiles/rails_7_1.gemfile.lock
@@ -6,6 +6,7 @@ PATH
       friendly_id (>= 5.2.0)
       language_filter (>= 0.3.01)
       rails (>= 4.2)
+      redcarpet (>= 3.3.4)
       will_paginate (>= 3.1.0)
 
 GEM
@@ -145,7 +146,7 @@ GEM
     net-smtp (0.5.0)
       net-protocol
     nio4r (2.7.3)
-    nokogiri (1.16.6-x86_64-linux)
+    nokogiri (1.16.7-x86_64-linux)
       racc (~> 1.4)
     orm_adapter (0.5.0)
     parallel (1.25.1)
@@ -198,6 +199,7 @@ GEM
     rake (13.2.1)
     rdoc (6.7.0)
       psych (>= 4.0.0)
+    redcarpet (3.6.0)
     regexp_parser (2.9.2)
     reline (0.5.9)
       io-console (~> 0.5)
diff --git a/gemfiles/rails_main.gemfile.lock b/gemfiles/rails_main.gemfile.lock
index 25885b2..c138c8d 100644
--- a/gemfiles/rails_main.gemfile.lock
+++ b/gemfiles/rails_main.gemfile.lock
@@ -1,6 +1,6 @@
 GIT
   remote: https://github.com/rails/rails
-  revision: 0db535f88d856bcac66faee901df51aa493b639b
+  revision: c01ee683aa700b109f704a5b6611107fe2dc5476
   branch: main
   specs:
     actioncable (8.0.0.alpha)
@@ -103,6 +103,7 @@ PATH
       friendly_id (>= 5.2.0)
       language_filter (>= 0.3.01)
       rails (>= 4.2)
+      redcarpet (>= 3.3.4)
       will_paginate (>= 3.1.0)
 
 GEM
@@ -177,17 +178,17 @@ GEM
     net-smtp (0.5.0)
       net-protocol
     nio4r (2.7.3)
-    nokogiri (1.16.6-aarch64-linux)
+    nokogiri (1.16.7-aarch64-linux)
       racc (~> 1.4)
-    nokogiri (1.16.6-arm-linux)
+    nokogiri (1.16.7-arm-linux)
       racc (~> 1.4)
-    nokogiri (1.16.6-arm64-darwin)
+    nokogiri (1.16.7-arm64-darwin)
       racc (~> 1.4)
-    nokogiri (1.16.6-x86-linux)
+    nokogiri (1.16.7-x86-linux)
       racc (~> 1.4)
-    nokogiri (1.16.6-x86_64-darwin)
+    nokogiri (1.16.7-x86_64-darwin)
       racc (~> 1.4)
-    nokogiri (1.16.6-x86_64-linux)
+    nokogiri (1.16.7-x86_64-linux)
       racc (~> 1.4)
     orm_adapter (0.5.0)
     parallel (1.25.1)
@@ -218,6 +219,7 @@ GEM
     rake (13.2.1)
     rdoc (6.7.0)
       psych (>= 4.0.0)
+    redcarpet (3.6.0)
     regexp_parser (2.9.2)
     reline (0.5.9)
       io-console (~> 0.5)
diff --git a/lib/simple_discussion.rb b/lib/simple_discussion.rb
index 974718d..57ed634 100644
--- a/lib/simple_discussion.rb
+++ b/lib/simple_discussion.rb
@@ -13,9 +13,16 @@ module SimpleDiscussion
   mattr_accessor :send_email_notifications
   mattr_accessor :send_slack_notifications
   mattr_accessor :profanity_filter
+  mattr_accessor :markdown_circuit_embed
+  mattr_accessor :markdown_video_embed
+  mattr_accessor :markdown_user_tagging
+
   @@send_email_notifications = true
   @@send_slack_notifications = true
   @@profanity_filter = true
+  @@markdown_circuit_embed = true
+  @@markdown_video_embed = true
+  @@markdown_user_tagging = true
 
   def self.setup
     yield self
diff --git a/lib/simple_discussion/engine.rb b/lib/simple_discussion/engine.rb
index 5181d2c..e32ac37 100644
--- a/lib/simple_discussion/engine.rb
+++ b/lib/simple_discussion/engine.rb
@@ -6,5 +6,24 @@ class Engine < ::Rails::Engine
     config.after_initialize do
       SimpleDiscussion::Engine.routes.default_url_options = ActionMailer::Base.default_url_options
     end
+
+    # javascripts assets precompiled for dropdown and markdown text editor
+    @@javascripts = []
+
+    initializer "simple_discussion.assets.precompile" do |app|
+      app.config.assets.precompile += [
+        "simple_discussion/application.js"
+      ]
+    end
+
+    def self.add_javascript(script)
+      @@javascripts << script
+    end
+
+    def self.javascripts
+      @@javascripts
+    end
+
+    add_javascript "simple_discussion/application.js"
   end
 end
diff --git a/simple_discussion.gemspec b/simple_discussion.gemspec
index 3bcc7c4..824e7db 100644
--- a/simple_discussion.gemspec
+++ b/simple_discussion.gemspec
@@ -27,6 +27,7 @@ Gem::Specification.new do |spec|
   spec.add_dependency "rails", ">= 4.2"
   spec.add_dependency "will_paginate", ">= 3.1.0"
   spec.add_dependency "language_filter", ">= 0.3.01"
+  spec.add_dependency "redcarpet", ">= 3.3.4"
 
   spec.metadata["rubygems_mfa_required"] = "true"
 end
diff --git a/test/dummy/app/helpers/application_helper.rb b/test/dummy/app/helpers/application_helper.rb
index de6be79..fb1a9b2 100644
--- a/test/dummy/app/helpers/application_helper.rb
+++ b/test/dummy/app/helpers/application_helper.rb
@@ -1,2 +1,5 @@
 module ApplicationHelper
+  def user_profile_link(user)
+    "/users/#{user.id}"
+  end
 end