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Software · Internet & communication

Cauldron

Collect content from the web.

  • Completely free
  • Linux
  • Open source

At a glance

All of Cauldron is free: no feature is locked behind a paid plan, and its code is open.

Its licence (Apache-2.0) is a permissive open source licence: use, modification and redistribution are allowed, including in commercial projects.

Strengths

  • Open source code
  • Commercial use allowed

About

Cauldron lets you access and use Instapaper, an online service for storing web bookmarks. Save anything that piques your interest, and get back to it when you have time.

Description from Flathub — AppStream (Flathub)

Sources and checks

  • Facts collected from Flathub (credit card, source code, publisher, licence, free status, platforms, commercial use, version) —
  • Last technical check: 8 November 2026
  • Description from Flathub — AppStream (Flathub)

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