Claper

The ultimate tool to interact with your audience

About Claper

Claper is an open-source audience interaction platform that turns presentations into real-time conversations. Presenters add Q&A, polls, quizzes, forms, live captions and reactions to PDF or PowerPoint slides, while audiences join from their phones and results appear instantly. A free plan covers small events and paid per-event plans scale to 500 attendees, and teams can also self-host it with Docker for full control.

Claper website preview

Live preview of claper.co via the WordPress mShots service — it can take a few seconds to generate on a first visit.

Claper: strengths & things to check

Strengths

Free tier available — you can start without paying (freemium model).
Covers presentations, polls, audience engagement, open source — see the focus areas listed in its key facts.
Has 6 close alternatives in the same category on this page, so switching or comparing is easy.

Things to check

The full feature set sits behind a paid plan — check which limits the free tier carries on the official site before committing.
Current plan prices are not listed here (they change too often to print reliably) — confirm the exact price on the official site.
It is one of 2092 tools in the Productivity & Notes category here — compare it against the alternatives below before you commit.

Derived from this listing's own data (pricing model, focus areas and category) — not a hands-on review score.

Claper pricing

Pricing model	Freemium — a free tier lets you start, and paid plans are available if you need more.
Free access	Yes — free tier, paid upgrades available
Current plan prices	Listed on the official site — prices change, so this directory links out instead of printing a number that may already be stale.
Official site	claper.co

Claper key facts

Category: Productivity & Notes
Pricing: Freemium — a free tier lets you start, and paid plans are available if you need more.
Focus areas: presentations, polls, audience engagement, open source
Official site: claper.co

Claper FAQ

How much does Claper cost?

Freemium — a free tier lets you start, and paid plans are available if you need more. Current plans and prices are listed on the official site (claper.co).

What is Claper used for?

The ultimate tool to interact with your audience Its focus areas in the Productivity & Notes category: presentations, polls, audience engagement, open source.

Where can I try Claper?

On its official site, claper.co — the Visit Official Site button above goes straight there.

Claper vs alternatives

	Claper	Framadate	Rallly	ActivityWatch
Pricing	Freemium — a free tier lets you start, and paid plans are available if you need more.	Free — listed in this directory as a free tool, with no paid plan required to use it.	Freemium — a free tier lets you start, and paid plans are available if you need more.	Free — listed in this directory as a free tool, with no paid plan required to use it.
Focus areas	presentations, polls, audience engagement, open source	scheduling, polls, open source	scheduling, polls, meetings, open source	time tracking, privacy, quantified self, open source
Official site	claper.co	framadate.org	rallly.co	activitywatch.net
Directory status	Listed	Listed	Listed	Listed

Side-by-side from each listing's own directory data. Full alternative cards are below.

About the Productivity & Notes category

Notes, tasks, and project tools that keep you organized and focused. The Productivity & Notes category on Tools Hub currently lists 2092 tools. Alongside Claper, it includes Tracks, Rallly, plumio, Event Schedule.

FreemiumProductivity & Notespresentationspollsaudience-engagementopen-source

Alternatives to Claper

Tools in the same Productivity & Notes category that share focus areas with Claper — worth comparing before you commit:

Productivity & Notes

Framadate

Plan meetings and make decisions with free scheduling polls

Freeschedulingpollsopen-source

Productivity & Notes

Rallly

Create polls to find the best time for group meetings

Freemiumschedulingpollsmeetingsopen-source

Productivity & Notes

ActivityWatch

Automatically track how you spend time on your devices, privately and free.

Freetime-trackingprivacyquantified-selfopen-source

Productivity & Notes

Admidio

Free membership management for organizations, clubs, and associations

Freemembershipself-hostedopen-sourceclubs

Productivity & Notes

AdventureLog

Travel log, trip planner, and world map in one app

Freetraveltrip-plannerself-hostedopen-source

Productivity & Notes

AFFiNE

Open-source workspace merging docs, canvas and tables

Freemiumnotesopen-sourcecanvasworkspace

More in Productivity & Notes

Comparing tools in the Productivity & Notes category? These related listings are worth a look: Tracks — Web app for David Allen's Getting Things Done methodology; Rallly — Create polls to find the best time for group meetings; plumio — Private, self-hosted markdown note-taking app with live preview.