Creating presentations used to be a chore, a headache or a pain the joints. You’d spend hours formatting, aligning text, searching for the perfect image, and trying to make your ideas look professional.
But today? That’s all changing.
Making slides with AI isn’t a distant dream anymore, it’s real. And the best part? You don’t need to pay for expensive SaaS tools. We’ve done the legwork for you.
We’ve collected and tested the best open-source, free AI presentation tools that let you generate stunning, polished slides, fast, smart, and completely under your control.
Why Use AI to Create Presentations?
Here’s why this shift matters, especially if you’re building educational content, pitching ideas, or sharing research (like I do with my therapeutic education projects):
- Speed Up Your Workflow: Turn a rough outline into a full slide deck in seconds. No more staring at a blank canvas.
- Focus on Ideas, Not Design: Let AI handle layout, typography, and visuals so you can focus on what truly matters: your message.
- Consistency Across Slides: AI ensures brand alignment, color schemes, fonts, and structure stay clean, even when you’re juggling multiple decks.
- No Vendor Lock-In: Unlike Figma’s AI features (which are tied to their ecosystem), open-source tools mean you own your data, your templates, and your freedom.
- Built for Developers & Creators: These tools integrate with GitHub, Docker, and modern stacks, perfect for developers, researchers, and indie creators building tools for healing, knowledge-sharing, and family-centered programs.
Why Open-Source Matters
When you use closed platforms like Figma’s AI, you’re trusting your ideas to corporate servers. But with these open-source tools:
- You keep full ownership of your content.
- You can audit the code, fix bugs, or extend functionality.
- You avoid recurring fees and platform lock-in.
- You can run everything on your own server, secure, private, and scalable.
This is especially important when building tools for therapeutic education, family healing, or ethical knowledge-sharing, where privacy and integrity aren’t optional.
The following list will contain the best open-source free solution that enables you to create fancy slides and presentations from prompts!
1- Presenton
Presenton is an open-source, privacy-focused tool that lets you create AI-powered presentations, entirely on your own device. No data leaves your computer, so your information stays secure.
It’s a powerful, ethical alternative to tools like Gamma, Beautiful AI, or Decktopus, built for people who want creativity without compromise.
Key features:
- Generate stunning presentations using AI (with support for OpenAI, Gemini, or your own models via Ollama).
- Upload an existing PPTX file to use it as a design template—perfect for keeping branding consistent.
- Create new presentations with the same look and feel, tailored to any topic.
- Fully self-hosted and transparent—ideal for users who value control, security, and customization.
2- ALLWEONE AI Presentation Generator
ALLWEONE is a free, open-source AI presentation generator built with Next.js and Tailwind CSS. Create stunning slides in seconds, no login, no data tracking. Customize tone, language, and layout. Real-time preview, auto-save, and self-hostable.
It is ideal for developers, founders, educators. MIT licensed. It is built using React, Next.js, TypeScript, and using PostgreSQL with prismaORM.
It uses OpenAI API and Together AI to generate fancy catching slides and presentation that make you standout.
3- odin-slides
odin-slides is a powerful Python tool that uses Large Language Models (LLMs) to generate, summarize, and update stunning PowerPoint presentations in seconds.
Whether for business pitches, lectures, or conferences, it simplifies the entire process with customizable templates, all while honoring Dennis Austin, the visionary behind PowerPoint. Fast, smart, and built for creators who want to focus on ideas, not slides.
4- Slidev
Presentation slides for developers, built with Markdown, powered by code. Enjoy live coding, syntax highlighting, and sleek themes via UnoCSS. Fully customizable, npm-compatible, and designed for devs who value clarity, style, and workflow efficiency.
5- AI PPT Generator
PPT Generator is a backend API service that generates PowerPoint presentations (PPTX) using AI (Google Gemini) or custom user content. It allows users to create, configure, and download presentations programmatically, supporting custom slide layouts, fonts, and colors.
Features
- AI-powered slide generation: Generate slide content automatically from a topic and slide count using Google Gemini.
- Custom content: Provide your own slide content and structure.
- Configurable appearance: Set fonts, font colors, and background colors for presentations.
- Downloadable PPTX: Download the generated presentation as a .pptx file.
6- SlideDeck AI
SlideDeck AI turns any topic into a polished PowerPoint deck with AI-generated content and smart image sourcing. Just describe your idea, choose a template, refine as needed, and download your presentation in seconds.
7- Preset
Preset automates project setup with one command: npx apply <your-preset>. No boilerplate bloat, no guesswork. Just clear, code-driven changes. Works anywhere, React, Vue, Node, you name it.
It helps you to keep your workflow fast, clean, and consistent.
8- PPTAgent
PPTAgent is yet another cool free open-source app that turns text into smart, human-like presentations using a two-step process for clarity and impact.
It doesn’t stop there, PPTEval rigorously scores slides on design, flow, and quality, acting as an AI critic with style. You can Launch in seconds with Docker.
PPTAgent include several features such as:
- Dynamic Content Generation: Creates slides with seamlessly integrated text and images
- Smart Reference Learning: Leverages existing presentations without requiring manual annotation
- Comprehensive Quality Assessment: Evaluates presentations through multiple quality metrics
9- PPTX MCP Server
This is a free and open-source FastMCP-powered server for programmatically creating, editing, and rendering PowerPoint (PPTX) presentations. Supports slide creation, text and shape insertion, image embedding, and slide rendering to PNG (with LibreOffice).
Its features include:
- Create/Clear Presentations: Start new or reset existing PPTX files.
- Add Slides: Insert slides with customizable layouts.
- Text & Content: Add titles, content, and custom textboxes to slides.
- Shapes: Insert a wide variety of PowerPoint shapes (including flowchart elements).
- Images: Embed images into slides.
- Slide Description: Get a textual summary of slide contents for verification.
- Slide Rendering: Render slides as PNG images (requires LibreOffice).
- Download PPTX: Download the generated presentation file.
10- Single-prompt pptx generation framework
This project creates dynamic PowerPoint presentations from simple user descriptions, using Python to power the entire workflow. It combines language models for intelligent text generation and an image API to produce relevant visuals for each slide, all in a clean, modular architecture that’s easy to extend or customize.
With just one command, you can generate a polished, professional presentation complete with well-structured content and engaging visuals, no design skills needed. Perfect for quick demos, reports, or pitches, it turns ideas into stunning slides in seconds.
11- SlideAI
SlideAI is an AI-powered tool that transforms how presentations are created, turning simple key points into polished, visually engaging slides in seconds. By automating content generation, design, and formatting, it eliminates the time-consuming work of manual slide creation.
It is powered by intelligent AI trained on vast presentation data, SlideAI understands context to craft concise, compelling content with appropriate visuals, tone, and flow. It adapts layouts and graphics to match your input, ensuring professionalism without compromise.
With features like smart formatting, real-time generation, and seamless export, SlideAI isn’t just a shortcut, it’s a creative partner for anyone who wants to present with impact, clarity, and confidence.
You need to specify OpenAI Key as well as Bing API Key in order to make it work. You will need also insert your presentation ID of Google Slides.
12- PPTX Presentation Generator
This is a free and open-source desktop tool for Windows, that enables you to generate creative presentations. You can choose to use OpenAI API or Cohere endpoints, also you can specify the number of slides to create.
While the interface looks basic, it is a great tool if you are wanna use something local to generate PowerPoint PPT presentation that you can edit.
13- PowerPoint Generator using python-pptx
This is a Python-based PowerPoint generator that uses GPT-3.5 (and later, local LLMs like LLaMA) to automatically generate full, editable presentations.
Unlike tools that rely on markdown or external converters (like MARP), PowerPointer directly builds .pptx files using the python-pptx library, meaning users can open, edit, and customize slides in Microsoft PowerPoint without restrictions.
Final Thoughts
AI isn’t here to replace you. It’s here to amplify your impact.
With the right open-source tools, you can go from idea to polished presentation in minutes, not days.
And because they’re free, transparent, and built for developers, they’re perfect for builders, creators, and mission-driven minds like us.
So whether you’re writing a book, pitching a project, or teaching life skills through horses and healing, don’t waste time designing slides. Let AI do it for you.
Build smarter. Present faster. Stay free.
Because your ideas deserve better than endless formatting.