Best Open Source Alternatives to Matter

Compare the best free and open-source alternatives to Matter — self-hosted and desktop replacements you fully control, ranked by GitHub stars, license and platform support.

Curated by open-source.store · Updated November 2026 · 3 alternatives

Matter

Proprietary SaaS

Matter alternatives compared

Open-source alternatives to Matter, compared by stars, license and platform
Tool		License	Platforms	Self-hosted
Bookmark It	326	AGPL-3.0	Web	No	May 2026	Visit
Brace.to	107	MIT		No	Apr 2026	Visit
Cloudmark	80	AGPL-3.0	Web	No	Aug 2026	Visit

Top open-source Matter alternatives

Bookmark It326AGPL-3.0

Bookmark It replaces proprietary link tools like Raindrop with an open-source chronological feed, tag sharing, and quick browser capture.

Web

vs Matter: a free, open-source option you fully control, licensed AGPL-3.0.

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EasyP

Promoted

The modern standard for Protobuf workflows

Lint, codegen, breaking-change checks and dependency management in one Git-native CLI. Open source, no registry lock-in.

lintgeneratebreakingeasyp.lock

go · ts · java generated

$ easyp breaking

backward compatible

Brace.to107MIT

Brace.to is an encrypted bookmark manager replacing tools like Pocket and Raindrop with private, client-side AES-256 link storage across all your devices.

vs Matter: a free, open-source option you fully control, licensed MIT.

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Cloudmark80AGPL-3.0

Cloudmark is an open-source bookmark manager replacing Raindrop.io with registration-free, bookmarklet-based link collections hosted on Cloudflare.

Web

vs Matter: a free, open-source option you fully control, licensed AGPL-3.0.

Visit Details