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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linearAPP-043
6 comments

The Linear Startup Engineer

A software engineer at a startup of 10–100 people who has used Jira and has Opinions. They switched to Linear — or advocated for switching — because it's fast, opinionated, and built for people who care about the work rather than the process around it. They use Linear every day to track their own work, manage issues, and follow the work of their small team. The keyboard shortcuts aren't optional to them — they're the point.

Aha

They're back from a two-day sprint on a difficult bug.”

linearAPP-125
4 comments

The Linear Product Manager

A product manager at a 20–200 person startup who moved to Linear because Jira was too heavy and Notion boards weren't structured enough. They work at the initiative and project level while their engineers work at the issue level. They need to see the forest while the team sees the trees. They love Linear's speed and keyboard shortcuts but struggle to get the strategic views they need without building custom views for every stakeholder meeting.

Aha

It happened mid-workflow — the CEO asks "are we on track for the Q2 launch?" The PM opens Linear, checks 4 projects across 2 teams, counts completed vs.”

githubAPP-119
3 comments

The GitHub Open Source Maintainer

A developer who maintains one or more open source projects with 500–50,000 stars. They started the project to solve their own problem and now thousands of people depend on it. They review PRs from strangers, answer issues that are really support questions, and write release notes at midnight. They are simultaneously proud of what they've built and exhausted by the weight of other people's expectations. They do this in their spare time, or they're one of the lucky few who gets paid for it.

Aha

A teammate asked how they managed triage issues efficiently — separate bugs from feature requests from support questions.”

linear-projectsAPP-044
3 comments

The Linear Engineering Manager

An engineering manager or head of engineering at a startup of 20–150 engineers who uses Linear at the issue level to track work and at the Projects level to communicate progress. The ICs live in issues and cycles. The EM lives in projects and the roadmap view. They're the translation layer between "what the team is building" and "what the company thinks we're building" — and Linear Projects is the interface they use to close that gap.

Aha

It happened mid-workflow — it's Thursday.”

githubAPP-033
5 comments

The GitHub Software Engineer

A software engineer with 3–10 years of experience who uses GitHub as the center of their development workflow. They push code, open PRs, review others' PRs, and track issues daily. They've developed strong opinions about what a good PR looks like and suffer quietly through colleagues who don't share them. They know GitHub deeply in some areas — git blame, actions, advanced search — and use the UI for everything else because the CLI is faster until it isn't.

Aha

A teammate asked how they managed ship code with confidence that it's been reviewed and won't break things.”

heightAPP-187
2 comments

The Height Autonomous Project Tracker

A product team lead or engineering manager at a startup who chose Height because it promised what every PM secretly wants: a project tracker that maintains itself. They use Height's AI features to auto-triage bug reports, suggest task labels, and identify duplicate issues. They still do the strategic work — prioritization, sprint planning, roadmap decisions — but the administrative overhead of keeping the tracker clean is lower than with Jira or Linear. They are cautiously optimistic about AI in project management — it works 75% of the time, and the 25% it doesn't requires less effort to fix than doing it all manually.

Aha

A teammate asked how they managed reduce the time spent on task triage, labeling, and organization by 50% with AI assistance.”

raycastAPP-157
3 comments

The Raycast Workflow Automator

A developer or technical power user on macOS who has made Raycast the nerve center of their computing workflow. They don't just launch apps — they manage clipboard history, control Spotify, search GitHub issues, translate text, convert currencies, and run custom scripts — all from a single keyboard shortcut. They've installed 15–30 extensions and written a few of their own. They are the person whose colleagues watch them work and ask "what is that tool and how do I get it." They measure productivity in keystrokes saved.

Aha

It happened mid-workflow — the developer starts their day.”

grammarlyAPP-035
5 comments

The Grammarly Professional Writer

A professional writer, business analyst, marketer, or non-native English speaker for whom written communication is central to their professional credibility. They use Grammarly not because they can't write — they can — but because they write quickly and under pressure, and the gap between their intent and their output sometimes closes imperfectly. Grammarly is the layer that catches what their brain skips. For non-native speakers especially, it's the difference between writing with confidence and writing with anxiety.

Aha

It happened mid-workflow — they're writing a proposal to a new enterprise client.”

obsidianAPP-129
4 comments

The Obsidian Plugin Developer

A developer who uses Obsidian for their own notes and started building plugins to scratch their own itch. They now maintain 1–5 plugins with thousands of downloads and a Discord channel full of feature requests. They know the Obsidian API intimately but wish it was better documented. They build in TypeScript, ship through the community plugin store, and handle support in their spare time. They love the Obsidian community but sometimes feel buried by the expectations that come with a popular free plugin.

Aha

Obsidian ships a new version and the developer's most popular plugin breaks.”

raycastAPP-066
6 comments

The Raycast Power User

A developer, designer, or technical knowledge worker on Mac who replaced Spotlight with Raycast and then spent three weekends making it the center of their computing workflow. They open Raycast more than any other application. They open it for things they didn't know a launcher could do. They've written or installed extensions for their most repetitive tasks. They mention Raycast in the same breath as mechanical keyboards and monitor setups — tools that are invisible when they work and felt intensely when they don't.

Aha

It's 9am.”

sentryAPP-136
4 comments

The Sentry Error Wrangler

A developer — usually mid-level to senior — who has become the de facto owner of error tracking on their team. They set up Sentry, configured the alerts, and now they're the person who triages the error feed every morning. They know the difference between a real bug and a noisy exception. They've learned to read stack traces the way a doctor reads X-rays — quickly, looking for the thing that's actually wrong. They carry the mental burden of knowing exactly how many errors are happening in production at any given moment.

Aha

Not a single dramatic moment — more like a Tuesday at 3pm when they realized they hadn't thought about grouping algorithms that split one bug into multiple issues or merge different bugs into one in two weeks.”

greenhouseAPP-036
6 comments

The Greenhouse In-House Recruiter

An in-house recruiter at a company of 100–1,000 people managing 5–15 open roles at any given time. Greenhouse is their operating system for hiring. They know it well. They also know all the ways their company uses it wrong — job stages that don't reflect reality, interviewers who don't submit scorecards, hiring managers who give verbal feedback in Slack instead of structured feedback in the system. They are the connective tissue of a hiring process held together by their own follow-up.

Aha

The shift was quiet.”

rampAPP-065
5 comments

The Ramp Finance Manager

A finance manager, controller, or CFO at a company of 20–300 people who adopted Ramp to eliminate the expense report process that everyone hated and nobody trusted. They issue cards. They set limits. They receive receipts automatically from employees who forward a text message or take a photo. They close the books faster. They've calculated how many hours per month expense reports used to consume and they don't miss a single one of them. They are the person at the company who is most enthusiastic about Ramp.

Aha

A teammate asked how they managed close the books faster by eliminating the expense report chase.”

mazeAPP-100
5 comments

The Maze Unmoderated Research Lead

A UX researcher or product designer at a company where research is valued but researcher time is scarce. They use Maze to run tests they can't run fast enough with moderated sessions. They design the test, connect the Figma prototype, send the link, and come back to results in 24–72 hours. They know unmoderated testing misses the nuance of moderated sessions. They also know that running 8 moderated sessions takes 2 weeks of scheduling and 2 days of synthesis. Maze takes 2 hours to set up and 1 hour to analyze. They're using the right tool for the question.

Aha

A teammate asked how they managed get directional usability signal fast enough to influence a design decision.”

intercomAPP-040
4 comments

The Intercom Customer Success Manager

A customer success manager or support lead at a B2B SaaS company who uses Intercom as their primary customer communication layer. They handle inbound support conversations, run proactive outreach campaigns to at-risk accounts, and manage the onboarding message sequences that new users see. They know which customers are about to churn before anyone else does because they read the conversation history. They are the person who knows more about the product's real failure points than anyone in engineering.

Aha

The shift was quiet.”

retoolAPP-133
4 comments

The Retool Internal Tools Developer

A full-stack developer or engineering lead tasked with building internal tools — admin dashboards, customer support panels, operations consoles. They chose Retool because writing React apps for internal use felt wasteful, but they still need to write SQL, connect APIs, and handle auth. They are a developer using a low-code tool, which means they appreciate the speed but feel the constraints more acutely than a no-code user would.

Aha

The support team needs a tool to look up customer accounts, view their subscription history, and issue refunds.”

salesforceAPP-127
3 comments

The Salesforce Admin

A business analyst, operations manager, or former power user who became the Salesforce admin because they were the person who understood the data best. They don't write code — they build Flows, create reports, manage permissions, and configure the org to match how the business actually works. They have 3–5 Trailhead certifications and a bookmark folder of Salesforce Help articles they reference weekly. They are simultaneously the most important and most under-appreciated person in the revenue organization.

Aha

Not a single dramatic moment — more like a Tuesday at 3pm when they realized they hadn't thought about flow Builder that's powerful but crashes on complex flows and has limited debugging in two weeks.”

segmentAPP-153
3 comments

The Segment Data Architect

A data engineer or analytics engineer who manages Segment as the central event routing layer. Every product event — page views, clicks, purchases, signups — flows through their Segment workspace before reaching the data warehouse, analytics tools, and marketing platforms. They are the plumber of the data stack. Nobody thanks them when data flows correctly, but everyone notices when it doesn't. They think in events, properties, and destinations. They've learned that the hardest part of data infrastructure isn't moving data — it's keeping it clean.

Aha

The shift was quiet.”

harvestAPP-165
4 comments

The Harvest Freelance Time Tracker

A freelance designer, developer, consultant, or small agency owner who bills by the hour and uses Harvest to track every minute. They know that untracked time is unpaid time, and unpaid time is a silent business killer. They start timers when they begin work, stop them when they break, and review their timesheets weekly to make sure nothing slipped. They've built a system that balances accurate tracking with not letting the tool interrupt their flow. They are both the worker and the business.

Aha

A freelance developer juggles three active clients.”

replitAPP-155
4 comments

The Replit Coding Educator

A coding instructor, bootcamp teacher, or CS professor who uses Replit because it eliminates the "but it works on my machine" problem. Every student gets the same environment, in the browser, with no setup. They can see student code in real time, run it, and give feedback without cloning repos or debugging local environments. They've taught programming long enough to know that environment setup kills motivation faster than any algorithm does. They chose Replit to remove the barrier between "wanting to code" and "coding."

Aha

A teammate asked how they managed eliminate setup and environment issues so students can focus on learning to code, not configuring tools.”

intercomAPP-128
4 comments

The Intercom Support Lead

A customer support lead or manager who runs their team's entire operation through Intercom. They built the macro library, set up the routing rules, and configured the chatbot — all while also jumping into the inbox during peak hours. They measure first response time, resolution time, and CSAT obsessively. They believe in automation but hate when it makes customers feel like nobody's listening. They are the bridge between what the product team ships and what customers actually experience.

Aha

A teammate asked how they managed keep first response time under 5 minutes during business hours.”

ripplingAPP-166
4 comments

The Rippling HR Administrator

An HR administrator, people ops manager, or office manager at a 50–500 person company who manages Rippling as their all-in-one HR platform. They handle onboarding (IT provisioning, payroll setup, benefits enrollment), offboarding (access revocation, final paycheck, COBRA), and everything in between. They chose Rippling because the alternative was stitching together 5 separate tools. They appreciate the unified system but have learned that "all-in-one" means "all the complexity in one place." They are the person who makes sure new hires have a laptop, a paycheck, and health insurance on day one.

Aha

It happened mid-workflow — a new engineer starts Monday.”

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