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SlideSpeak alternatives · Presentations

Open-source alternatives to SlideSpeak

SlideSpeak is not described as open source on its own site. 8 of the 89 other presentation tools in this directory are open source, according to their own sites.

SlideSpeak is a paid product with a free trial, starting at $29 per month, billed monthly. All of them are free or have a free plan.

8 tools · Listings checked up to Nov 13, 2026 · Where the facts come from

How each one differs from SlideSpeak

  1. LibreOffice Impress

    Free, open-source presentation app for Windows, macOS and Linux

    • LibreOffice Impress is free. SlideSpeak starts at $29 per month, billed monthly.
    • LibreOffice Impress has a free plan. SlideSpeak does not, though it has a free trial.
    • Only LibreOffice Impress lists Windows, macOS and Linux apps.
    • Only SlideSpeak lists a web app.
    LibreOffice Impress pricing and details

  2. Slidev

    Markdown slides for developers, built on Vue and Vite

    • Slidev is free. SlideSpeak starts at $29 per month, billed monthly.
    • Slidev has a free plan. SlideSpeak does not, though it has a free trial.
    • Slidev is open source, according to its own site.
    • Slidev also covers Markdown.
    Slidev pricing and details

  3. Marp

    Markdown presentation ecosystem with PDF and PowerPoint export

    • Marp is free. SlideSpeak starts at $29 per month, billed monthly.
    • Marp has a free plan. SlideSpeak does not, though it has a free trial.
    • Marp is open source, according to its own site.
    • Marp also covers Markdown.
    Marp pricing and details

  4. reveal.js

    Open source HTML framework for building slide decks

    • reveal.js is free. SlideSpeak starts at $29 per month, billed monthly.
    • reveal.js has a free plan. SlideSpeak does not, though it has a free trial.
    • reveal.js is open source, according to its own site.
    • reveal.js also covers Markdown.
    reveal.js pricing and details

  5. Spectacle

    React library for building presentations in JSX or MDX

    • Spectacle is free. SlideSpeak starts at $29 per month, billed monthly.
    • Spectacle has a free plan. SlideSpeak does not, though it has a free trial.
    • Spectacle is open source, according to its own site.
    • Spectacle also covers Markdown.
    Spectacle pricing and details

  6. remark

    Markdown-driven slideshow tool that runs in the browser

    • remark is free. SlideSpeak starts at $29 per month, billed monthly.
    • remark has a free plan. SlideSpeak does not, though it has a free trial.
    • remark is open source, according to its own site.
    • remark also covers Markdown.
    remark pricing and details

  7. impress.js

    Open-source presentation framework using CSS3 transforms

    • impress.js is free. SlideSpeak starts at $29 per month, billed monthly.
    • impress.js has a free plan. SlideSpeak does not, though it has a free trial.
    • impress.js is open source, according to its own site.
    • SlideSpeak also covers chat assistant and video generation.
    impress.js pricing and details

  8. Sozi

    Zooming presentation editor that animates over an SVG poster

    • Sozi is free. SlideSpeak starts at $29 per month, billed monthly.
    • Sozi has a free plan. SlideSpeak does not, though it has a free trial.
    • Only Sozi lists Windows, macOS and Linux apps.
    • Only SlideSpeak lists a web app.
    Sozi pricing and details

Common questions

Is there an open-source alternative to SlideSpeak?

Yes. LibreOffice Impress, Slidev, Marp, reveal.js, Spectacle, remark, impress.js and Sozi are open source, according to their own sites.

Is SlideSpeak open source?

SlideSpeak is not described as open source on its own site. The listing was checked on Nov 12, 2026 against the pages it cites.

When was this checked?

Each listing shows its own date. On this page they run from Oct 5, 2026 to Nov 13, 2026. Vendors change prices and plans without notice, so confirm on their site before you buy.

This page is built from the listings. A tool is here because its listing says so, and the order is how close each is to SlideSpeak: the alternatives its listing names first, then the tools that share the most features with it.