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Prologue — Why Another Presentation Tools Post

In 2026, we still give presentations. Weekly syncs, conference keynotes, customer demos, investor pitches, PhD defenses — the format varies, but at the end someone stands up and clicks through slides. And the tools used to make those slides have shifted quietly but decisively over the last five years.

Three big shifts:

- **Markdown has become the standard for developer presentations.** Marp and Slidev are the two pillars; RevealJS endures as the OG. "Open PowerPoint and start typing" is, at least among engineers, gone.

- **AI slide tools went through a correction.** Tome shut down in 2024. Gamma survived and raised a Series B. Beautiful.ai, Decktopus, and SlidesGPT each found a niche, and Plus AI staked out the clever position of being a Google Slides add-on.

- **The classics did not die.** Keynote, PowerPoint, and Google Slides remain the default outside of engineering. Microsoft Copilot is now deeply embedded in PowerPoint — meaning "Gamma-style AI deck generation" is becoming a built-in feature.

This post maps that landscape across 14 chapters. Who's good at what, who isn't, and what tool you should pick for each kind of talk — organized at the end around four personas: code demo, academic, marketing, executive.

1 · The 2026 Map — Four Camps

Listing tools side by side is useless without categories. Let's start with four camps.

| --- | --- | --- | --- |

This taxonomy isn't perfect. Slidev is both "CLI markdown" and "Vue components," straddling camps 1 and 2. Plus AI is "AI-generated" but runs on top of Google Slides. Still, holding these four camps in mind makes the differences visible.

**The CLI/markdown camp** is about version control and diff. `git push` ships the deck; PRs review the slides; the same `.md` file builds to PDF, HTML, and PPTX. It's a model developers love by default.

**The web/framework camp** is "code your slides." RevealJS does it in HTML, Spectacle in React, deck.js somewhere in between. More freedom and more motion than markdown, but a learning curve.

**The AI camp** exploded between 2022 and 2024, then consolidated in 2025. The survivors all share "prompt-to-deck" as their core. They differ in output quality, price, and integration position.

**The classic GUI camp** didn't die. More than 70% of slides made by executives, sales, and marketing in 2026 are still in PowerPoint, Keynote, or Google Slides. The 2026 change here is that AI Copilots are now deeply embedded.

The 2026 trend is **the four camps invading each other's territory**. Slidev integrates AI; Gamma improves its `.pptx` export; PowerPoint adopts Designer + Copilot to make "AI generation" built-in. The question is shifting from "which tool" to "which workflow fits our team."

2 · Marp (Microsoft) — The Most Popular CLI + VSCode

Marp was started around 2017 by Japanese developer Yuki Hattori. After Microsoft hired him in 2019, Marp effectively became a Microsoft-supported project. MIT-licensed, 15k+ GitHub stars.

**Why Marp became #1.** Three decisive choices:

1. **VSCode extension.** The official marp-team VSCode extension renders a live preview in the right pane. You never leave the IDE.

2. **Dirt-simple markdown syntax.** `---` separates slides. That's it. HTML tags, directives, and a one-line theme declaration are everything else.

3. **Multiple outputs.** The marp-cli renders HTML, PDF, PPTX, and images. That `.pptx` export is the decisive feature in Korean and Japanese corporate contexts, where you have to hand a deck to an executive in PowerPoint format.

**Basic usage.** A Marp markdown file looks like this:

marp: true

theme: gaia

paginate: true

Our Team's 2026 Roadmap

Author · 2026-05-16

Q1 — Search Revamp

- Index redesign

- Ranking V3

- p99 200ms

Q2 — Recommendation

- Two-Tower model

- Real-time features

The CLI usage:

npx @marp-team/marp-cli@latest deck.md --pdf

npx @marp-team/marp-cli@latest deck.md --pptx

npx @marp-team/marp-cli@latest deck.md --html

npx @marp-team/marp-cli@latest deck.md --server

**Themes.** Three built-in themes: `default`, `gaia`, `uncover`. Light customization happens inside the markdown with a `<style>` tag (in a code block or HTML), heavier customization in a separate CSS file. Community theme collections like marp-themes exist.

**Weaknesses.** Low design ceiling. Complex motion or interactivity wants Slidev or RevealJS. No built-in components, so charts and diagrams are embedded as images or as Mermaid code blocks (Marp does not render Mermaid directly; you need a plugin or a pre-build step).

**When to pick Marp.**

- "I want to make a deck fast in markdown instead of PowerPoint" — Marp is the fastest path.

- You need to share `.pptx` internally → its PPTX output is the most reliable.

- You live in VSCode → extension plus markdown gets you all the way.

3 · Slidev (Anthony Fu) — Vue + AI Integration

Slidev was created in 2021 by Anthony Fu, a Vue core team member. It runs on Vite and Vue 3, with the explicit tagline "presentation slides for developers." MIT-licensed, 30k+ GitHub stars.

**Why Slidev grew fast.** If Marp won on "simplicity and PPTX," Slidev won on "beauty and code affinity."

1. **Vue component integration.** You drop components into a slide. You can also build your own Vue SFCs and import them.

2. **Shiki-based code highlighting.** 80% of developer slides are code. Slidev uses Shiki — the same highlighter as VS Code — so code in slides looks like code in the IDE. Line highlighting, diff, and magic-move (smooth morphing between code versions) are all supported.

3. **Vite HMR.** Edit a slide, see it in 100ms. Last-second polishing is realistic.

4. **Built-in whiteboard / Presenter Mode.** Draw on the slide live; presenter mode shows the next slide, notes, and a timer side by side.

**Basic usage.**

npm init slidev@latest my-slides

cd my-slides

npm run dev

A `slides.md`:

theme: seriph

background: https://images.unsplash.com/photo-1605379399642-870262d3d051

Our Team's 2026 Roadmap

Anthony Fu · 2026-05-16

Q1 Search Revamp

- Index redesign

- Ranking V3

::right::

const score = (q, d) => bm25(q, d) * 0.6 + neural(q, d) * 0.4

Embed a Youtube component here.

**AI integration (2025–2026).** Starting around Slidev 0.50, the project picked up an AI workflow. Two pieces:

- **Slidev MCP / Copilot integration.** GitHub Copilot Chat understands `slides.md` context, so "add a comparison table after this slide" produces markdown directly.

- **Image / illustration generation.** Cover and chapter backgrounds can be generated from a text prompt and cached.

**Themes.** Built-ins include `default`, `seriph`, `apple-basic`, `bricks`, `shibainu`. NPM hosts 100+ community themes (search: `slidev-theme-*`).

**Weaknesses.** PPTX export is weak — strictly speaking, you can export "one image per slide" into a PPTX, but the result is not a real editable PowerPoint. If you must hand a `.pptx` to a stakeholder, prefer Marp. Vue is a mild on-ramp (markdown alone gets you far, but the real power is in components).

**When to pick Slidev.**

- Conference talks, technical demos — code and motion are central.

- You'll publish as HTML and host the deck on GitHub Pages afterward.

- You know (or are okay learning) Vue, and beauty matters.

4 · RevealJS — The OG

RevealJS was created in 2011 by Hakim El Hattab. It's the original of web-based slides. MIT-licensed, 68k+ GitHub stars — the highest in this category.

**Why RevealJS.** Fifteen years of survival has clear reasons.

1. **Pure HTML/CSS/JS.** No build tooling required; a single `.html` file works. Drop it on GitHub Pages and you're done.

2. **Vertical and horizontal slides.** Slides are laid out in 2D. You can go down to drill into a topic.

3. **Plugin ecosystem.** Markdown, Highlight.js, MathJax, Notes, Search, Zoom — all official plugins, plus a deep third-party catalog.

**Basic usage.**

<!DOCTYPE html>

Q1 — Search Revamp

- Index redesign

- Ranking V3

**Slides.com — the RevealJS SaaS.** Hakim's own SaaS. Build a RevealJS deck in a GUI editor and host it. Free for individuals, paid for teams. It's the commercial model behind RevealJS.

**Weaknesses.** The shadow of being the OG. The framework is old enough that the default aesthetic feels slightly dated, and authoring is less ergonomic than the markdown-first UX of Marp/Slidev. Every user has to pick a path — hand-written HTML, markdown import, or the GUI on Slides.com.

**When to pick RevealJS.**

- You need 15-year-stable, full-control output and a deep plugin ecosystem.

- You'll host on Slides.com and want a GUI editor — useful when collaborating with non-developers.

- HTML feels more natural than markdown to you (e.g., a designer background).

5 · Spectacle (Formidable) — React + Theatre.js

Spectacle is a React-based presentation library made in 2016 by Formidable Labs (acquired by Nearform in 2023). MIT-licensed, 9.7k GitHub stars.

**Why Spectacle.** If you live in React, it's essentially the only credible choice.

1. **Slides as JSX.** One slide equals one React component. Familiar syntax for any React dev.

2. **Typography.** Sensible defaults for fonts, spacing, and rhythm — it shows that designers built the tool.

3. **Built-in components.** Heading, Text, ListItem, Image, CodePane (with line highlighting), and more.

**Theatre.js integration (2024–2026).** Spectacle's later versions tightened integration with Theatre.js, a tool for layering "timeline-based motion" onto React components. Think After Effects keyframes for code. Spectacle plus Theatre.js makes "movie-grade motion on a code-authored deck" possible.

**Basic usage.**

const Presentation = () => (

)

**MDX support.** Spectacle treats MDX as a first-class citizen. Authoring slides in `.mdx` lets markdown and JSX components mix naturally.

**Weaknesses.** The React barrier — if you don't know React, this is not the tool. PPTX export is effectively absent (browser-render to image to PPTX is the only path). Great for conference talks; often unsuitable for internal sharing.

**When to pick Spectacle.**

- A React-shop conference talk.

- Motion and interaction need to be coded → Theatre.js integration.

- MDX affinity — pairs well with a Next.js blog or Docusaurus site.

6 · Quarto Presentations — Academic

Quarto is the next-generation document system released in 2022 by RStudio (now Posit). It's the successor to R Markdown and more. It's an "executable document" standard that runs R, Python, Julia, and Observable JS code blocks and embeds results inline — and one of its outputs is slides.

**Quarto's slide outputs.** Two major formats:

- **revealjs** — built on top of RevealJS. HTML slides for web hosting.

- **beamer** — LaTeX Beamer output. PDF, the academic standard.

A `pptx` output also exists so you can ship a PowerPoint for internal sharing in one line.

**Basic usage.**

title: "PhD Defense: Distributed Consensus"

author: "Author Name"

format:

revealjs:

theme: serif

incremental: true

Research Question

Why is Raft easier to understand than Paxos?

Experimental Results

library(ggplot2)

ggplot(results, aes(x = latency_ms, y = throughput)) + geom_point()

Conclusion

The code block actually executes. An R plot is embedded into the slide. Python and Julia work the same way.

**Why academia migrated to Quarto.** Existing R Markdown users carried over naturally. It aligns with reproducible-research principles, and the same `.qmd` source produces a paper (PDF), blog (HTML), and slides. Posit Connect adds on-prem hosting, which matters in regulated environments (pharma, banking).

**Weaknesses.** Without R or Python in your stack, half the value evaporates. The academic aesthetic is wrong for marketing decks. Outputs that need LaTeX (beamer, pdf) are non-trivial to set up.

**When to pick Quarto.**

- Academic talks and PhD defenses — close to the standard.

- R/Python data analysts — code and plots stay live.

- Strict compliance environments where cloud tools like Gamma are blocked.

7 · Eagle.js / deck.js / Remark.js / MDX Deck — The Rest

This bucket holds tools that were once popular but have either fallen off the main path or survived only in narrow niches.

**Remark.js (2014–).** A markdown-slide library that embeds `.md` into a single `.html` page. Lighter than RevealJS. About 12k stars. Not actively developed since around 2020, but loyal users persist for whom simplicity is the virtue.

**MDX Deck (2018–2022, sunset).** Brent Jackson's MDX-based slides — an early React + MDX experiment. Effectively unmaintained since 2022. Spectacle absorbed MDX, which made MDX Deck redundant. Its spiritual successors are Spectacle MDX and Slidev.

**GitPitch (2017–2021, sunset).** A SaaS that hosted GitHub repos as slide decks via a `PITCHME.md` file. Shut down in 2021. The "deploy slides via git push" workflow was good, but GitHub Pages plus Marp/Slidev filled the gap directly.

**Eagle.js (2015–).** A slide library born in the Vue 1.x era. Tiny user base today. Slidev is the de facto Vue 3-era successor.

**deck.js (2011–).** Released around the same time as RevealJS. Both were leading the HTML-slides space in the early 2010s, but deck.js has effectively no maintenance now. No reason to start a new project on it.

**WebSlides, Impress.js.** Impress.js implements Prezi-like zoom/rotation in HTML. Visually striking but small audience. WebSlides is a lightweight HTML slides framework. Both are alive but off the main path.

**Summary.** The common conclusion for this chapter is "they were great once, but Marp/Slidev/RevealJS took the seat." No reason to start new projects on them — though Remark.js remains alive and stable if you're maintaining one.

8 · iA Presenter — Mac Minimalism

iA Presenter is the Mac-only presentation app released in 2023 by iA (Information Architects), the German company famous for iA Writer. The iA Writer minimalist philosophy carried straight over.

**Philosophy.** "Don't worry about design, focus on writing." Slide design is not exposed to the user. Fonts, spacing, colors, and alignment are decided by the app. You write markdown; the app does the rest.

**Key differentiators.**

- **Auto-layout.** Write one sentence on a slide, it becomes a large centered headline. Five lines, it becomes a list. Add an image, it's placed automatically. You never touch positioning.

- **Talk Mode.** Notes and a timer alongside the slide. The message — focus on the talk — is explicit.

- **PDF / Keynote / PPTX export.** Outputs ship in standard formats.

**Pricing.** One-time purchase plus upgrade model. Around $39 USD in 2026 (varies by region). Appeals to users who dislike SaaS subscriptions.

**Weaknesses.** Mac only (an iPad version exists; no Windows or Linux). Design freedom is effectively zero — by design (both a feature and a limit). `.pptx` exports are functional but plain.

**When to pick iA Presenter.**

- "I don't want to spend time on design, I want to focus on the words." Minimalists.

- Mac user who makes slides often but doesn't need them to be flashy — internal weeklies, education, lectures.

- Subscription-averse.

9 · AI Presentations — Gamma / Beautiful.ai / SlidesGPT / Decktopus

AI slide tools exploded from 2022 to 2024 and consolidated through 2025. Here's the 2026 map of the survivors.

Gamma — The Series-B #1

Gamma (US) was founded in 2022 and closed a Series B in 2024. The market recognized it as the best execution of "one prompt, one full deck."

Traits:

- **Card-based UI.** It started not as 16:9 slides but as "scrollable cards." A 16:9 presentation mode now exists, but the starting point is different.

- **Prompt → full deck.** "Make a Series A pitch deck for a B2B SaaS startup, $2M ARR" — 8 to 10 slides in under a minute.

- **Image generation integrated.** Auto-generated illustrations fit the slide text.

- **PPTX / PDF export.** Outputs ship in standard formats and stay editable elsewhere.

Pricing: Free (limited), Plus $10/mo, Pro $20/mo, Business $30/mo (as of May 2026).

Beautiful.ai — Design Automation

Beautiful.ai (US) was founded in 2017 and is in some sense the "original AI slide tool" — though at the time, the "AI" was closer to "smart templates": as you add content, the design rebalances automatically.

Between 2023 and 2025 it added real LLM integration to ship "AI deck generation." It stays closer to the traditional 16:9 model than Gamma and positions itself in "enterprise/team" contexts.

Pricing: Pro $12/mo, Team $40/mo/seat.

SlidesGPT — Lightweight GPT Wrapper

SlidesGPT (the name is the concept) is a lightweight wrapper over the OpenAI API. The free tier is generous; outputs download as PPTX immediately. Design quality is lower than Gamma or Beautiful.ai, but it's fast and cheap.

Decktopus — Business-Focused

Decktopus (Turkey) specializes in business presentations — pitch decks, sales decks, reports. Differentiators include "auto-generated Q&A," "auto-written speaker notes," and similar business-friendly affordances.

Tome — Shut Down 2024

Tome (US) was founded in 2020. It raised a Series B in 2023 at roughly a $700M valuation, was a darling of AI-deck startups, shipped beautiful output, and had a strong mobile app. Then in late 2024 it announced a shutdown, with a data-export window for free users. The stated reasons were limited but the analyst consensus was: low paid conversion, Gamma captured the market, no defensible business model.

Tome's shutdown was a warning to the category. The barrier to entry on AI slides is low; "pretty" alone won't keep you alive.

Comparison Table

| --- | --- | --- | --- | --- |

| **Tome** | (shut down) | — | — | — |

Common Weaknesses

Two shared limits across this category:

- **Low uniqueness.** Similar prompts produce similar decks. Bad fit for conference talks or keynotes.

- **Editing cost.** Initial generation is fast, but detail edits are GUI clicks. Markdown tools edit faster after the first draft.

10 · Plus AI for Google Slides — Old Tool + New AI

Plus AI (Plus Docs, US) ships as a Google Slides add-on. "Stay inside Google Slides, get AI" is the clever position.

**Why this position is smart.** 80% of enterprises already live in Google Workspace or Microsoft 365. Asking those people to switch to a new tool is high friction. Plus AI deletes the friction.

**Key features.**

- **Prompt → Google Slides deck.** Plain language ("Q1 sales review, 12 slides") produces a real Google Slides file, so sharing, editing, and commenting workflows survive intact.

- **Per-slide AI editing.** Select a slide, ask for "shorter" or "add a data viz."

- **Snapshot.** Embed live data (BigQuery, Salesforce) directly.

**Pricing.** Free trial, Pro $15/mo/seat, Enterprise custom.

**Competition.** Google is putting Gemini natively into Slides — which could squeeze Plus AI's room. Plus AI differentiates with stronger workflows (templates, batch generation, data integration).

**Similar tools on the PowerPoint side.**

- **Microsoft Copilot for PowerPoint.** AI slide generation and editing inside PowerPoint, included in the M365 license.

- **Presentation.AI.** Third-party, with strong PowerPoint export.

**Who it's for.**

- Enterprise users in a Google Workspace standard environment.

- Teams that can't all switch to Gamma but want AI inside Slides.

- Executives and sales — shared-comment workflow matters.

11 · Tome (RIP 2024) — A Short Glory

Tome's story deserves its own chapter. It's the most symbolic case from the 2020s AI-slides bubble.

**Birth.** Founded in 2020 by ex-Adobe designers. Positioned as "storytelling-first presentations," they broke from the 16:9 box and shipped a scrollable "tiles" UI.

**Peak (2022–2023).** Right after OpenAI shipped ChatGPT, Tome was among the fastest slide tools to integrate GPT-3. "One prompt, one full deck" became real for the first time. They raised a Series B at roughly a $700M valuation. Adoption spread quickly among indie hackers and designers, also in Korea and Japan.

**Trouble (2024).** Free user growth surged but paid conversion stayed low. The output was beautiful, but "what do you actually use this for?" was unclear. Conference talks went to RevealJS/Slidev; executive reports never left PowerPoint/Google Slides; design freedom was too constrained for marketing teams.

**Shutdown (late 2024).** Tome announced an end-of-service date with data export windows for free and paid users. Speculation about partial acquisitions of features or staff circulated, but official communication was limited.

**Three lessons.**

1. **AI is not a sufficient condition for a tool.** "Use AI to make slides" is not a moat. Google and Microsoft can bundle the same capability for free.

2. **No paid-conversion model, no survival.** Free-user counts don't matter; the specific reason to pay (workflow, integration, compliance) must exist.

3. **Wobbling positioning is fatal.** Tome stayed ambiguous to the end — presentation tool? storytelling tool? design tool?

12 · Keynote / PowerPoint / Google Slides — The Non-Markdown Classics

This post centers on markdown tools, but in 2026 still more than 70% of slides are made here. Quick map of the classic three.

Keynote (Apple)

- **Strengths.** Beauty. Best defaults for fonts, transitions, motion. Magic Move (smooth transitions across slides) remains the reference. iPad plus Apple Pencil supports handwriting and sketching.

- **Weaknesses.** Mac/iPad/iCloud only. No editing on Windows or Linux. Awkward if the company is on Google Workspace.

- **For.** Designers, solo presenters, Apple-ecosystem people.

PowerPoint (Microsoft)

- **Strengths.** Opens on every OS and device. 30 years of templates and plugins. Microsoft Copilot integration deepened through 2024–2026 so "prompt to draft deck" works in-app. PowerPoint Designer auto-designs slides.

- **Weaknesses.** Heavy in the details. Real-time collaboration is slower than Google Slides (improving).

- **For.** Enterprise standard, internal reports, IR/investor decks, global conferences.

Google Slides

- **Strengths.** Smoothest real-time editing and comments. Free. URL sharing. Plus AI / Gemini fill in the AI gaps.

- **Weaknesses.** Slightly lower design ceiling than PowerPoint/Keynote. Narrower font options.

- **For.** Startups, distributed teams, internal weeklies.

The 2026 Shift in the Classics

The biggest change: **AI is now built in.** Microsoft Copilot effectively makes PowerPoint a "Gamma-like tool." Google Gemini does the same inside Slides. If this continues, the standalone AI-slide category's value will shrink further in 2027–2028.

13 · Korea / Japan — KakaoSlides, Pixiv, CyberAgent Presentation Culture

Korean and Japanese presentation culture differs from the global trend in small but consistent ways.

Korea

- **Internal reporting is PowerPoint absolute.** Large enterprises, finance, and the public sector require `.pptx`. Fonts (Malgun Gothic, Nanum), alignment, and colors are dictated by a company template. One of the reasons Marp spread quickly among Korean developers is that its PPTX export is reliable.

- **Developer presentations at Kakao and Naver-class companies.** At conferences like `if(kakao)` and DEVIEW (Naver), speakers commonly use Marp, Slidev, or RevealJS. Publishing the deck source on GitHub is a settled cultural norm.

- **AI slides are still early.** Gamma and Beautiful.ai support Korean input, but Korean font and design detail handling is weaker. Design-strong companies like Toss and Karrot stick to Figma plus PowerPoint or Keynote.

- **KakaoSlides / Naver Slides.** Korean-localized alternatives to Google Slides exist inside KakaoWorks and Naver Workplace, but adoption is small versus Google Slides.

Japan

- **PowerPoint dominates overwhelmingly.** More conservative than Korea. Large enterprises, government, and SI firms do everything in `.pptx`. Many companies have extremely detailed slide masters.

- **Developer talks are Marp + Slidev.** Marp's lead maintainer Yuki Hattori being Japanese plays a role. At Japanese tech conferences (YAPC, RubyKaigi, JSConf JP), Marp and Slidev talks are common.

- **Pixiv internal presentation culture.** Pixiv has a strong internal LT (Lightning Talk) and engineering blog culture. Uploading decks to Speaker Deck is normal.

- **CyberAgent presentation culture.** CyberAgent is famous for its internal knowledge-sharing culture. The AI business unit talks and the CyberAgent Developers Blog regularly publish decks; Marp and Slidev are common.

- **Speaker Deck.** The most-used deck-sharing platform in Japan (a US company, but high adoption in Japan). PDF upload, public link.

Global vs Korea / Japan

| --- | --- | --- | --- |

14 · Who Should Pick What — Four Personas

The closing chapter. Tool comparison eventually reduces to "who are you and what do you have to do?" Four personas.

Persona A: Conference Talk / Code Demo

- **1st: Slidev** — Shiki code highlighting, magic-move, Vue components.

- **2nd: Marp** — When you want it faster and need PPTX too.

- **3rd: RevealJS** — When you need full control and can write HTML directly.

- **Avoid:** Gamma / Beautiful.ai (code slides are weak), PowerPoint (fine for text-only talks; bad for code).

Persona B: Academic / PhD Defense / Research Talk

- **1st: Quarto** — R/Python plots auto-execute; outputs to both beamer and revealjs.

- **2nd: RevealJS + MathJax** — Math-heavy, code-light.

- **3rd: Beamer (direct LaTeX)** — Traditional, strict-form venues.

- **Avoid:** Gamma (reproducibility issues), Slidev (low recognition in academia).

Persona C: Marketing / Sales / Pitch Deck

- **1st: Gamma** — Fast first drafts, auto image generation.

- **2nd: Beautiful.ai** — Auto design alignment.

- **3rd: Keynote** — When motion and beauty are decisive in a keynote.

- **Avoid:** Marp / Slidev / RevealJS (marketing designers can't edit), Quarto.

Persona D: Executive / Internal Reporting / Quarterly Review

- **1st: PowerPoint + Copilot** — Corporate standard, AI assist, sharing workflow.

- **2nd: Google Slides + Plus AI / Gemini** — Google Workspace shop.

- **3rd: Marp + PPTX export** — Engineer-PM who drafts in markdown and hands `.pptx` to executives.

- **Avoid:** Slidev (weak PPTX export), Spectacle (no collaboration).

A One-Line Decision Tree

- **Developer, code talk, HTML output OK** → **Slidev**.

- **Developer, text/general talk, PPTX needed** → **Marp**.

- **Researcher, code + plots + paper-as-`.qmd`** → **Quarto**.

- **Executive / sales / marketing, fast draft, AI** → **Gamma**.

- **Enterprise standard, Google Workspace** → **Google Slides + Plus AI**.

- **Enterprise standard, M365** → **PowerPoint + Copilot**.

- **Minimalist, Mac, writing-first** → **iA Presenter**.

- **Full control, deep plugin ecosystem** → **RevealJS**.

- **React full-stack, motion-heavy** → **Spectacle + Theatre.js**.

Closing Line

The 2026 truth: **"one tool for every presentation" is essentially impossible.** It's normal for the same person to use Slidev at conferences, PowerPoint for internal reports, and Gamma for quick drafts. The tool depends on the shape of the content and the audience.

Don't try to consolidate. **Pick the tool that fits the situation and define the workflow.** That's best practice.

References

- Marp — https://marp.app/

- Marp GitHub — https://github.com/marp-team/marp

- Marp CLI — https://github.com/marp-team/marp-cli

- Marp for VS Code — https://github.com/marp-team/marp-vscode

- Slidev — https://sli.dev/

- Slidev GitHub — https://github.com/slidevjs/slidev

- Anthony Fu (Slidev creator) — https://antfu.me/

- RevealJS — https://revealjs.com/

- RevealJS GitHub — https://github.com/hakimel/reveal.js

- Slides.com — https://slides.com/

- Spectacle (Formidable / Nearform) — https://commerce.nearform.com/open-source/spectacle/

- Spectacle GitHub — https://github.com/FormidableLabs/spectacle

- Theatre.js — https://www.theatrejs.com/

- Quarto — https://quarto.org/

- Quarto presentations — https://quarto.org/docs/presentations/

- Posit (formerly RStudio) — https://posit.co/

- Remark.js — https://remarkjs.com/

- MDX Deck (archived) — https://github.com/jxnblk/mdx-deck

- GitPitch (shutdown announcement, 2021) — https://medium.com/gitpitch

- Eagle.js — https://github.com/Zulko/eagle.js/

- deck.js — https://github.com/imakewebthings/deck.js

- Impress.js — https://github.com/impress/impress.js

- WebSlides — https://webslides.tv/

- iA Presenter — https://ia.net/presenter

- Gamma — https://gamma.app/

- Beautiful.ai — https://www.beautiful.ai/

- SlidesGPT — https://slidesgpt.com/

- Decktopus — https://www.decktopus.com/

- Tome shutdown coverage (2024) — https://techcrunch.com/

- Plus AI for Google Slides — https://www.plusdocs.com/

- Microsoft Copilot for PowerPoint — https://www.microsoft.com/en-us/microsoft-365/powerpoint

- PowerPoint Designer — https://support.microsoft.com/en-us/office/create-professional-slide-layouts-with-designer

- Google Slides + Gemini — https://workspace.google.com/products/slides/

- Apple Keynote — https://www.apple.com/keynote/

- Speaker Deck — https://speakerdeck.com/

- SlideShare — https://www.slideshare.net/

- Pitch.com — https://pitch.com/

- Shiki (Slidev code highlighter) — https://shiki.style/

- Vite — https://vitejs.dev/

- Mermaid (diagrams) — https://mermaid.js.org/

- if(kakao) — https://if.kakao.com/

- DEVIEW (Naver) — https://deview.kr/

- CyberAgent Developers Blog — https://developers.cyberagent.co.jp/blog/

- Pixiv Inside — https://inside.pixiv.blog/

- YAPC::Japan — https://yapcjapan.org/

- RubyKaigi — https://rubykaigi.org/