Persona Library
Community-sourced UX research

Who actually uses these products,
and what made them stay.

Deep persona profiles for the tools that run modern work. Community-validated. Exportable. Open for contribution.

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substackAPP-080
2 comments

The Substack Independent Writer

A journalist, essayist, researcher, or domain expert who chose to publish directly to an audience rather than through a publication that owns the relationship. They've been on Substack for 1–4 years. They have a free list and a paid tier. They take the writing seriously. They also think about the business of the writing — open rates, growth, conversion from free to paid — more than they expected to when they started. They are doing something that didn't exist at scale five years ago and they feel the weight and freedom of that simultaneously.

Aha

It happened mid-workflow — they've been on Substack for 18 months.”

substackAPP-149
4 comments

The Substack Independent Publisher

A writer, journalist, or subject-matter expert who has turned their expertise into a Substack newsletter with paying subscribers. They are not a blogger — they are running a media business. They write 2–4 times per week, manage a growing list of free and paid subscribers, and check their subscriber metrics more often than they'd admit. They chose Substack because it was the simplest path from "I should write" to "people are paying me to write." They appreciate the simplicity but worry about what happens if the platform changes its terms.

Aha

The shift was quiet.”

ghostAPP-032
4 comments

The Ghost Independent Publisher

An independent journalist, researcher, media entrepreneur, or content organization that chose Ghost because platform ownership matters to them. They're running a publication with a membership model — free and paid tiers, regular editorial content, and a direct relationship with readers they're not willing to cede to Substack's network effects or Beehiiv's operator framing. They are technically capable enough to run Ghost on managed hosting or self-host it. This was a deliberate choice. The people who choose Ghost have thought about the alternatives more carefully than most tool decisions require.

Aha

Not a single dramatic moment — more like a Tuesday at 3pm when they realized they hadn't thought about theme customization that requires Handlebars knowledge most writers don't have in two weeks.”

sentryAPP-094
6 comments

The Sentry Error Monitor

A backend, frontend, or full-stack developer at a product company for whom Sentry is the first place they look when something goes wrong in production. They didn't set Sentry up — it was already there when they joined — but they've learned to read its output. They've been paged because of a Sentry alert. They've traced a production incident back to a specific line using Sentry's stack traces. They've also spent 40 minutes investigating a Sentry error that turned out to be a bot making malformed requests. They've learned to filter.

Aha

It happened mid-workflow — it's Wednesday afternoon.”

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