Postmarks

Self-hosted, single-user bookmarking site that connects to the Fediverse via ActivityPub.

Webfree

Postmarks is a self-hosted, single-owner bookmarking site that connects to the Fediverse via ActivityPub, letting other Mastodon and Fediverse users follow and interact with it. The owner adds, edits, and deletes bookmarks behind a login, making it suited to Fediverse users who want to own their bookmark data while staying socially connected.

Website

Full match profile

Behind the summary, Matchbox keeps a richer profile of Postmarks - the signals our matcher actually reads to decide when to surface it. It stays private; claim the listing to see and control it.

Problem & pain-point mapping
Who we surface it to (audience fit)
What it's a strong alternative to
Trust & credibility signals

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