Updated Addons & Extensions To-Do List with Progress Status (Total: 25)

1.  Accordion Addon
    •   Description: Allows content to be hidden and revealed in collapsible sections for better organization and readability.
    •   Source: Custom implementation.
    •   Status: Implemented
2.  PHP Addon
    •   Description: Executes external PHP files and embeds their output directly within the content.
    •   Source: Custom implementation.
    •   Status: Implemented
3.  YouTube Support Extension
    •   Description: Converts YouTube links into responsive embedded iframes for video playback.
    •   Source: Custom implementation.
    •   Status: Implemented
4.  Image Gallery Addon
    •   Description: Displays multiple images in an interactive gallery format with lightbox support.
    •   Source: Custom feature development or integration with libraries like FancyBox.
    •   Status: Pending
5.  Code Snippet Addon
    •   Description: Showcases formatted code blocks with syntax highlighting for developers.
    •   Source: Libraries like Prism.js or Highlight.js.
    •   Status: Pending
6.  Timeline Addon
    •   Description: Creates a vertical or horizontal timeline to showcase events chronologically.
    •   Source: Libraries like TimelineJS or custom implementation.
    •   Status: Pending
7.  Poll/Survey Addon
    •   Description: Adds interactive polls or surveys to gather user opinions or feedback.
    •   Source: Libraries like Google Forms Embed API or Typeform integration.
    •   Status: Pending
8.  Tabbed Content Addon
    •   Description: Segregates content into tabs, allowing users to switch between sections seamlessly.
    •   Source: Custom feature or jQuery UI Tabs.
    •   Status: Pending
9.  Markdown Table Addon
    •   Description: Renders clean and responsive tables from Markdown syntax.
    •   Source: Parsedown or custom implementation.
    •   Status: Pending
10. Alert/Notification Addon
    •   Description: Highlights important messages using alert boxes with custom styles.
    •   Source: Custom feature development.
    •   Status: Pending
11. User Interaction Addon
    •   Description: Adds features like voting, liking, or commenting to content for enhanced user engagement.
    •   Source: Libraries like Disqus or custom development.
    •   Status: Pending
12. Progress Tracker Addon
    •   Description: Shows users their progress in completing a list or reading a document.
    •   Source: Custom feature development.
    •   Status: Pending
13. FAQ Accordion Addon
    •   Description: Presents frequently asked questions in a collapsible accordion format.
    •   Source: Based on Accordion Addon.
    •   Status: Pending
14. Quote/Highlight Addon
    •   Description: Emphasizes notable quotes or highlighted text for better readability.
    •   Source: Custom feature development.
    •   Status: Pending
15. Calculator Addon
    •   Description: Adds interactive calculators for specific use cases (e.g., loan calculators).
    •   Source: Libraries like Math.js or custom development.
    •   Status: Pending
16. Map Integration Addon
    •   Description: Embeds interactive maps for location-based content.
    •   Source: Google Maps API or Leaflet.js.
    •   Status: Pending
17. Audio Player Addon
    •   Description: Embeds audio files with playback controls for podcasts or music.
    •   Source: Custom implementation or libraries like Plyr.js.
    •   Status: Pending
18. Collapsible Content Addon
    •   Description: Collapses lengthy text into sections that can be expanded as needed.
    •   Source: Custom implementation.
    •   Status: Pending
19. Dynamic Table of Contents Addon
    •   Description: Automatically generates a table of contents for long documents.
    •   Source: Libraries like Tocbot or custom implementation.
    •   Status: Pending
20. Searchable Index Addon
    •   Description: Allows users to search through a document’s indexed content.
    •   Source: Custom feature development.
    •   Status: Pending
21. Animated Graphics Addon
    •   Description: Displays animated graphics for enhanced visual appeal.
    •   Source: Libraries like Lottie.js or custom animations.
    •   Status: Pending
22. Feedback Form Addon
    •   Description: Collects user feedback through a simple and interactive form.
    •   Source: Custom form or libraries like Google Forms Embed API.
    •   Status: Pending
23. Statistics/Chart Addon
    •   Description: Displays data in graphical formats like bar charts, pie charts, or line graphs.
    •   Source: Chart.js or Highcharts.
    •   Status: Pending
24. Integrated RSS Feed Addon
    •   Description: Embeds RSS feed content dynamically within the document.
    •   Source: Custom implementation.
    •   Status: Pending
25. Formatted List Addon
    •   Description: Generates styled and formatted lists with options for numbering, bulleting, or custom icons.
    •   Source: Custom feature development.
    •   Status: Pending

Let me know which addon you’d like to work on next!