Open source. Open possibilities.

Pandoc is a universal markup converter that functions as both a Haskell library and a command-line tool for converting documents between a wide variety of markup formats.

AI generates natively editable PowerPoint decks from documents, topics, or PDFs. Features native shapes, charts, tables, transitions, animations, and template support. Runs locally via agent-capable AI tools.

Slidev is an open-source presentation framework for developers, using Markdown and Vue to create slides with code highlighting, live coding, themes, presenter mode, drawing, LaTeX, Mermaid diagrams, icons, recording, and export to PDF, PNG, or PPTX.

Carbon 是一个开源工具，可将源代码转换成美观的图片，方便在社交媒体、博客或文档中分享。支持自定义主题、字体、背景等样式，并可导出 PNG 或 SVG。

PPTist is a web-based presentation editor and player built with Vue 3 and TypeScript, replicating most common PowerPoint features. It supports text, images, shapes, charts, tables, media and formulas, plus PPTX import/export, template-based AIPPT generation and mobile editing.

OPF (Open Presentation Format) is an open JSON document format for slide decks, published on npm as @openpresentation/opf: canonical JSON Schemas, bundled catalog presets, generated TypeScript types, local validation, examples and a local CLI.

A reveal.js 6.x-based presentation template with responsive design, Markdown slides, and built-in themes. Supports math (KaTeX), speaker notes, PDF export, and automated GitHub Pages deployment. Requires Node.js for development.