David Arnado

Supercharge your WordPress site with Caledros Basic Blocks – a collection of 18 lightweight, performance-optimized Gutenberg blocks designed to extend the capabilities of the WordPress block editor without slowing down your site.
Unlike many block libraries that add unnecessary bloat, Caledros Basic Blocks focuses on efficiency and speed. Each block is crafted to deliver essential functionality while keeping your site lean.
The plugin includes a built-in CSS stylesheet preloader, ensuring faster page load times by optimizing the delivery of block styles. This feature can be easily disabled if preferred, giving you full control over performance tuning.
<h3>Features</h3>
<ul>
<li>Adds 18 new custom Gutenberg blocks, and 2 new variation blocks. 4 blocks and 1 variation block are only available for header template parts. 1 block (Content Renderer) is limited to templates. </li>
<li>Flex and grid containers blocks included</li>
<li>Dark/Light mode block included</li>
<li>Blocks built with performance and minimalism in mind</li>
<li>Includes a toggleable preloader for CSS stylesheets to improve loading speed</li>
<li>Includes toggleable controls for adding/removing pre-defined CSS styles to the “wp-site-blocks” container.</li>
<li>Enable featured images for post categories</li>
<li>Clean, modern design for seamless visual integration</li>
<li>Fully responsive and compatible with Full Site Editing Themes</li>
</ul>
Perfect for developers, designers, and content creators who want more control and better performance without the overhead of large block libraries.
<h3>More Projects & Information</h3>
For more information about my projects, you can visit my website: <a href="https://caledrosforge.com/" rel="nofollow ugc">caledrosforge.com</a>
<h3>Third Party Resources</h3>
Caledros Basic Blocks bundles the following third-party resources:
<h3>1. Icons</h3>
1.1. Bootstrap Icons, Copyright (c) 2019-2024 The Bootstrap Authors
The icons (SVG files) used in the Icon block, Social Icon block, and the Button Block were downloaded from Bootstrap Icons.
Additionally, the four icons used in the Posts Loop block (user, date, category, and tag) as well as the publications icon in the Category Loop block, were all sourced from Bootstrap Icons.
Bootstrap Icons are licensed under the MIT License.
Source: <a href="https://github.com/twbs/icons" rel="nofollow ugc">Bootstrap Icons Github repository</a> and <a href="https://icons.getbootstrap.com/" rel="nofollow ugc">Bootstrap Icons website</a>
License information last verified on: May 21st, 2025
<h3>2. Libraries</h3>
2.1. Swiper JS, Copyright (c) 2019 Vladimir Kharlampidi
Both the Slider block and the Image Gallery block use the Swiper JS library, which is licensed under the MIT License.
Source: <a href="https://github.com/nolimits4web/swiper" rel="nofollow ugc">Swiper JS Github repository</a> and <a href="https://swiperjs.com/" rel="nofollow ugc">Swiper JS website</a>
License information last verified on: May 14th, 2025
<h3>3. Images</h3>
3.1. Placeholder Mountains (placeholder-mountains.webp, placeholder-mountains.7da2eb2d.webp)
Used in the Category Loop and Posts Loop blocks.
<a href="https://creativecommons.org/publicdomain/zero/1.0/" rel="nofollow ugc">CC0</a> licensed <a href="https://wordpress.org/photos/photo/85161bd2cb/" rel="ugc">photo</a> by <a href="https://wordpress.org/photos/author/mkaz/" rel="ugc">Marcus Kazmierczak</a> from the <a href="https://wordpress.org/photos/" rel="ugc">WordPress Photo Directory</a>
Source: <a href="https://wordpress.org/photos/photo/85161bd2cb/" rel="ugc">WordPress Photo Directory</a>
License information last verified on: September 7th, 2025
3.2. Bird (bird.webp, bird.8dbbb5a8.webp)
Used in the Image Gallery block.
<a href="https://creativecommons.org/publicdomain/zero/1.0/" rel="nofollow ugc">CC0</a> licensed <a href="https://wordpress.org/photos/photo/715678e819/" rel="ugc">photo</a> by <a href="https://wordpress.org/photos/author/snilesh/" rel="ugc">Nilesh Shiragave</a> from the <a href="https://wordpress.org/photos/" rel="ugc">WordPress Photo Directory</a>
Source: <a href="https://wordpress.org/photos/photo/715678e819/" rel="ugc">WordPress Photo Directory</a>
License information last verified on: September 7th, 2025
3.3. Flower (flower.webp, flower.1092b3c8.webp)
Used in the Image Gallery block.
<a href="https://creativecommons.org/publicdomain/zero/1.0/" rel="nofollow ugc">CC0</a> licensed <a href="https://wordpress.org/photos/photo/763688069f/" rel="ugc">photo</a> by <a href="https://wordpress.org/photos/author/churaclicks/" rel="ugc">Chura Bhandari</a> from the <a href="https://wordpress.org/photos/" rel="ugc">WordPress Photo Directory</a>
Source: <a href="https://wordpress.org/photos/photo/763688069f/" rel="ugc">WordPress Photo Directory</a>
License information last verified on: September 7th, 2025
3.4. Mountains (mountains.webp, mountains.2b50cd4a.webp)
Used in the Image Gallery block.
<a href="https://creativecommons.org/publicdomain/zero/1.0/" rel="nofollow ugc">CC0</a> licensed <a href="https://wordpress.org/photos/photo/62068b050a/" rel="ugc">photo</a> by <a href="https://wordpress.org/photos/author/abishkaarchettri/" rel="ugc">ABISHKAAR CHETTRI</a> from the <a href="https://wordpress.org/photos/" rel="ugc">WordPress Photo Directory</a>
Source: <a href="https://wordpress.org/photos/photo/62068b050a/" rel="ugc">WordPress Photo Directory</a>
License information last verified on: September 7th, 2025

Caledros Basic Blocks

Introduces 18 lightweight blocks for the Gutenberg editor. Also includes an optional preloader for CSS stylesheets to enhance performance.

Mold Themes

Mold Blocks provides a comprehensive suite of custom Gutenberg blocks that extend the default WordPress block editor capabilities. Perfect for designers, developers, and site builders who want to create stunning websites without writing code. 
<a href="https://moldblocks.moldthemes.com/" rel="nofollow ugc">Demo</a>
<h3>Features</h3>
<ul>
<li>Advanced Navigation Blocks: Enhanced navigation with mega menu support, custom positioning, and hover effects</li>
<li>Interactive Components: Carousels, accordions, tabs, and modals for engaging user experiences</li>
<li>Content Blocks: Text animations, counters, step-by-step guides, and more</li>
<li>Media Blocks: Image grids, video players, logo carousels, and product galleries</li>
<li>Utility Blocks: Loading animations, scroll-to-top buttons, dividers, and links</li>
<li>Performance Optimized: Built with modern React standards and optimized for speed</li>
<li>Fully Responsive: All blocks work perfectly on desktop, tablet, and mobile devices</li>
<li>SEO Friendly: Clean, semantic HTML output that search engines love</li>
<li>Theme Independent: Works with any modern WordPress theme</li>
</ul>
<h3>Available Blocks</h3>
<ul>
<li>Header Wrap: Advanced header container with customization options</li>
<li>Navigation Wrap: Enhanced navigation with mega menu support</li>
<li>Div: Flexible divider and spacing block</li>
<li>Link: Advanced link with styling options</li>
<li>Submenu: Enhanced submenu with column support</li>
<li>Banner: Eye-catching banner blocks with animations</li>
<li>List: Customizable list blocks</li>
<li>Step: Step-by-step process blocks</li>
<li>Loading: Loading animation blocks</li>
<li>Icon: Icon blocks with extensive icon library</li>
<li>Material Icon: Google Material Design icons</li>
<li>Text Column: Multi-column text layouts</li>
<li>Text Animate: Animated text effects</li>
<li>Text Rotate: Text rotation animations</li>
<li>Counter: Animated number counters</li>
<li>Tab: Tabbed content blocks</li>
<li>Accordion: Collapsible content sections</li>
<li>Image Grid: Responsive image galleries</li>
<li>Logo Carousel: Client/partner logo sliders</li>
<li>Carousel: Content sliders and carousels</li>
<li>Carousel Item: Individual carousel slides</li>
<li>Read Time: Estimated reading time blocks</li>
<li>Modal: Popup and modal blocks</li>
<li>Video: Video player blocks</li>
<li>Scroll Top: Back-to-top button</li>
<li>Product Gallery Carousel: WooCommerce product galleries</li>
</ul>

Mold Blocks – Website Builder for the Block Editor | Gutenberg


you can do lots of stuff. Amazing. liked the blocks.


necessary blocks to powerup Gutenberg blocks

A comprehensive collection of professionally designed Gutenberg blocks to enhance your WordPress site building experience.

Caledros Basic Blocks vs Mold Blocks – Website Builder for the Block Editor | Gutenberg