Open-source alternatives to Spectacle

nodeppt is a markdown presentation generator and static site generator that transforms markdown source files into interactive web-based slide decks. It consists of a command-line build tool and a specialized frontend runtime used to deliver presentations in a web browser. The project features a dual-screen presentation runtime that synchronizes the audience view with a private speaker notes monitor. It employs a plugin-based markdown pipeline and a post-processing DOM transformation system to convert custom syntax into structured HTML content. The framework supports technical content generat

Presenterm is a CLI presentation framework and tool used to create interactive slide decks directly in the terminal. It functions as a Markdown slide renderer, transforming Markdown files into formatted terminal presentations with support for synchronized speaker notes and custom YAML themes. The project distinguishes itself through a built-in terminal code executor that runs code snippets live during a presentation, replacing source blocks with real-time output. It also features a terminal image renderer capable of displaying local images, animated GIFs, and pre-rendered diagrams or mathemat

mdx-deck is a markdown presentation generator and React-based framework used to create interactive slide decks. It functions as a static site presentation engine that converts Markdown and MDX files into structured, stylable browser-based slides. The framework distinguishes itself by combining structured markdown with interactive React components and a synchronized presenter mode. This presenter mode provides a dedicated second window featuring a timer, slide previews, and hidden speaker notes for live events. The system covers a broad range of presentation capabilities, including custom CSS

Marp is a presentation framework that transforms plain text files into slide decks using Markdown syntax. It functions as a converter and static site generator, enabling the creation of structured visual presentations that can be exported into formats including HTML, PDF, and PowerPoint. The project distinguishes itself through a modular architecture that supports custom themes and plugins, allowing users to extend the core conversion pipeline. It provides a command-line interface for automated file processing and includes reactive file-system watching to facilitate a live preview development

Reveal-md is a command-line tool that transforms Markdown files into interactive, web-based slide decks using the reveal.js framework. It functions as a comprehensive presentation generator, providing an integrated environment for authoring, previewing, and distributing structured slide content. The tool distinguishes itself through a robust development workflow that includes a local server with live reloading, allowing for real-time visual feedback as source files are modified. It supports advanced content customization through metadata-driven configuration, enabling users to define slide hi

mdp is a markdown terminal presentation tool and slide deck renderer. It uses a text-based user interface to transform markdown files into structured presentations displayed directly within the command line. The project distinguishes itself by offering both a terminal-based presentation environment and a markdown to PDF converter. This allows slide content to be exported into PDF documents while preserving syntax highlighting, dark themes, and custom colors. The system manages slide navigation through keyboard shortcuts, including sequential movement and direct indexing. It supports incremen

eagle.js is a component-driven presentation engine and web-based tool for building interactive digital slideshows. It functions as a Vue.js slideshow framework that uses a component architecture to manage slide hierarchies and transitions within a browser. The system distinguishes itself through support for nested presentation hierarchies, allowing slideshows to be embedded within other slides to organize complex information. It includes a dual-window synchronization system for a dedicated presenter mode, which separates a private controller for speaker notes from the public display. The fra

Presenton is an AI-powered presentation engine and API designed to transform natural language prompts, uploaded documents, and structured data into professional slide decks. It functions as a generation service that leverages large language models to automate the creation of outlines, slide content, and visual assets. The system is distinguished by its support for both cloud-based and self-hosted infrastructure, allowing for the integration of local language models and image generators to ensure data privacy. It implements a Model Context Protocol server, enabling external AI agents to trigge

Shower is a web-based slide framework and markup-driven generator used to create interactive presentations. It functions as an HTML presentation engine that renders structured markup into browser-based slideshows supporting keyboard navigation and custom styling. The system utilizes a command line interface to manage the creation, bundling, and publishing of presentation assets. It separates presentation logic from visual design through a template-driven theme system, allowing for the application of external CSS themes. The framework includes tools for technical content formatting, such as c

Tiny-slider is a vanilla JavaScript carousel library used to create touch-enabled content sliders and accessible UI components without external dependencies. It functions as a responsive layout engine that adjusts slide visibility and dimensions based on viewport breakpoints. The library distinguishes itself through built-in lazy loading for images and media to improve page performance and a responsive system that automatically scales item counts and spacing according to the device screen size. It also supports nested slider instances, allowing for the creation of multi-directional scrolling

huashu-design is a design system infrastructure and a set of specialized design engines for high-fidelity HTML prototyping, quality evaluation, and presentation conversion. It provides tools for generating interactive single-file HTML mockups, frame-based motion design, and a visual evaluator that analyzes design quality across five dimensions using radar charts. The system distinguishes itself through a translation pipeline that converts HTML slide decks into editable PowerPoint and PDF objects rather than flat images. It includes a motion design engine that uses a time-slice model to render

React is a JavaScript library for building user interfaces based on a component-driven architecture and unidirectional data flow.

Banana-slides is a generative AI workflow engine designed to automate the creation and refinement of professional slide decks. By leveraging large language models, the platform transforms raw text, structured outlines, and existing documents into visual presentations. It functions as an automated tool that orchestrates the entire lifecycle of a presentation, from initial content generation and layout design to final export. The system distinguishes itself through a modular provider abstraction that allows users to integrate various artificial intelligence services for content and image synthe

Glide is a dependency-free ES6 JavaScript library used to create responsive content sliders and carousels. It functions as a modular framework for implementing sliding content areas that adapt their layout and settings based on browser window breakpoints. The library is distinguished by a modular architecture that allows the inclusion of only necessary logic to reduce final bundle size. It separates core structural styles from thematic visual styles and utilizes a plugin system to extend the base slider functionality and lifecycle hooks. The component covers a range of interaction and naviga

Present is a command-line application designed to transform structured markdown files into interactive, keyboard-navigable presentation decks. It functions as a framework for technical storytelling, allowing users to render formatted slide content directly within a terminal window. The tool distinguishes itself by integrating simulated terminal sessions and interactive demonstrations into the presentation flow, enabling the display of live-style command execution and technical workflows. It supports visual customization through configurable color schemes and includes an animation engine capab

This project is a jQuery content slider used to create responsive image galleries and touch-enabled carousels. It functions as an accessible UI component that displays images, video, or HTML content using hardware-accelerated animations. The slider includes built-in support for swipe gestures and finger-following navigation for touch-enabled devices. It integrates ARIA attributes, such as Aria Live and Aria Hidden, to ensure screen reader compatibility and accessibility for users of assistive technologies. The system provides comprehensive layout and navigation capabilities, including config

md2googleslides is a tool that transforms markdown text into formatted Google Slides presentations. It functions as a presentation generation engine that maps markdown elements and rich text styles to slide components via the Google Slides API. The system enables programmatic presentation design, allowing users to define slide layouts and structures through specific markers in markdown. It handles the conversion of technical content, including the rasterization of mathematical expressions and vector graphics into images for slide compatibility. The tool supports the insertion of tables, emoj

NES.css is an 8-bit CSS framework and styling system that transforms standard HTML elements into pixelated interfaces inspired by classic gaming consoles. It serves as a retro UI component library and toolkit for rendering text, borders, and icons with a blocky aesthetic. The framework uses pure CSS to emulate 8-bit graphics without relying on external images or JavaScript rendering. It implements pixel-art border simulations and integrates pixel-style web fonts to maintain a consistent gaming aesthetic across different browsers. The system provides a suite of game-themed interface elements,

WebSlides is an open-source tool for creating HTML presentations, landing pages, and longform articles directly in the browser. It provides a full-screen slide deck system where each section element becomes an individual slide with horizontal and vertical navigation, keyboard shortcuts, touch gestures, and remote presenter support. The project distinguishes itself by offering over 40 pre-built slide components such as covers, cards, quotes, and flexible block grids that can be assembled without writing custom layout code. It includes built-in support for embedding rich media like background i

This is a static site generator and blog publishing system built on Next.js that compiles MDX content into HTML at build time. It uses file-based routing to map each page to a URL path automatically, and applies utility-first CSS styling through Tailwind CSS for visual design. The project includes a pre-built blog starter template that can be deployed with a single click to Vercel’s edge network, where it benefits from automatic optimizations and serverless function support. It features built-in analytics instrumentation that collects page view and visitor data without manual setup, and suppo

Marp is a markdown presentation framework and slide generator that converts structured text into visual slide decks. It functions as a system for creating presentations by identifying specific page-break delimiters within markdown source files. The tool features a command line interface for automating the generation of slide decks within build pipelines. It utilizes a CSS-based styling system, allowing for custom visual formatting through embedded style rules, external stylesheets, and variable theme injection. The framework supports exporting presentations into multiple formats, including P

This project is a document transformation pipeline that compiles Markdown files into executable JavaScript components. By integrating JSX directly into standard text documents, it enables the creation of interactive content that functions as a component-based engine for modern frontend applications. The system distinguishes itself through a unified, plugin-driven architecture that processes content by converting it into an abstract syntax tree. This allows for deep customization of the compilation logic, enabling developers to map standard Markdown elements to custom interface components, inj

Catppuccin is a community-driven design framework that provides a standardized collection of four warm, high-contrast color palettes. It functions as a unified theme system designed to ensure visual consistency and harmony across diverse software applications, operating systems, and developer tools. The project utilizes a centralized specification to define color roles, which are then mapped to specific software environments through a distributed porting model. By employing template-based asset generation and declarative style mapping, the system ensures that these color definitions are accur

highlight.js is a JavaScript syntax highlighter and client-side code formatter that transforms plain text source code into highlighted HTML for web display. It provides syntax highlighting across a wide variety of programming languages. The library includes an automatic language detector that identifies the programming language of a code block to apply the correct highlighting rules without manual tagging. It is designed for web worker compatibility, allowing the highlighting process to run in background threads to prevent the browser interface from freezing during the processing of large vol

CodeMirror 5 is a browser-based code editor and extensible UI component. It functions as a syntax highlighting engine and a programmable text surface, providing a professional coding experience embedded within web pages. The project is distinguished by its ability to act as a collaborative text editor, synchronizing document changes across multiple users in real time. It also includes a dedicated Vim emulation layer that implements modal keyboard interactions, motions, and operators. The system covers broad capability areas including language support for autocompletion and error analysis, co

Prism is a JavaScript syntax highlighter and web-based code formatter. It functions as an extensible syntax engine designed to colorize and format code blocks on web pages, making various programming languages easier to read. The project processes raw code strings into styled HTML elements for use in frontend content rendering, technical documentation, and static site generation. It provides a modular system for adding custom language definitions and highlighting rules to a web-based code viewer.

A command line tool and node package to convert markdown files into self-contained impressjs html presentations