Clapper

rafostar.github.io ↗

GNOME video playback built around an editable queue

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SI Score: 80/100
Pricing: Not confirmed
Free plan: Not confirmed
Sign-up required: Not confirmed

gnome video-player gstreamer

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Answers use saved listing facts and recorded sources.

What it does

Clapper is a GStreamer-based media player for GNOME, with a drag-and-drop playback queue and separately exposed playback libraries.

Build a viewing session by adding media to Clapper's queue, then reorder or remove items with drag and drop. The GNOME application uses GStreamer and GTK4. Its Flatpak package includes the required dependencies and codecs, which is a concrete installation choice when comparing distribution packages.

Developers can use the Clapper playback and ClapperGtk integration libraries, but the project warns their APIs are unstable before version 1.0. Its automatically built RPM packages are also labelled unstable. Distinguish those developer/build choices from simply using the player.

Strengths

A reorderable queue supports multi-file viewing sessions.

Sources

Clapper | clapper (Oct 26, 2026)

SI Score

80/100

#1 in Video

Based on published information. No hands-on task test.

Method 2.0 · Published source review Assessed Oct 26, 2026Score ceiling for this evidence: 84/100.

Product usefulness 80

Evidence

The source defines queue-based playback, Flatpak's bundled dependencies/codecs and explicit unstable library/RPM boundaries. Those setup and version boundaries complete the scoped application/library workflow.

Limits: AI review of saved source passages. No hands-on test, human approval or automatic-provider checker receipt.

Source links and check dates are in Sources and checks below.

Separate website checks

These checks do not add points to the SI Score. They inspect the website's HTML, not the product in use.

Basic website checksunknown

No check recorded.

HTML accessibility checksunknown

No check recorded.

Homepage HTML responseunknown

No check recorded.

Trackers in homepage HTMLunknown

No check recorded.

Page date hintsunknown

No check recorded.

Policy links do not verify a company's conduct. An HTML response time is not application speed. Tracker and accessibility checks miss behavior after page load. Copyright dates do not prove product upkeep.

How the SI Score works →

Unconfirmed details may be unassessed, absent from the pages checked or temporarily unreadable. A missing price does not mean the service is free.

Sources and checks

Supporting pages for product usefulness, site facts, prices and separate website checks. Each record keeps its own date. Reading a page does not establish how well the product performs in use.

rafostar.github.io/clapper/
- Product usefulness evidenceChecked Oct 26, 2026

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