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Skills deserve a record that can outlast one platform.

Lemma is a skills passport for people who work in tech: one record of what you can do, with the proof behind each skill. Your skills are built in many places; the record moves with you.

Contact the team

GitHub · Mar 2025

alexchen/analytics-dashboard

48 stars

Vercel · Jun 2025

dashboard.vercel.app

Production

Lemma assessment · Sep 2026

React, adaptive

7.4 of 10

Live session · Oct 2026

Taught React hooks

Rated 5 of 5

Alex Chen · Skills Passport
Signed

React

4 places · 2 years · one record

84
  1. Taught React hooksOct 2026
  2. React, adaptiveSep 2026
  3. dashboard.vercel.appJun 2025
  4. alexchen/analytics-dashboardMar 2025
Share link Export anytimeMoves with you

Make evidence of capability easier to carry and understand.

A person should not have to start from an empty profile every time they change course, role or platform. Their record should preserve context without exposing more than they choose to share.

That record is the Skills Passport. The methodology explains how evidence is classified, connected to skills and evaluated.

Share with Northwind · hiring
Expires 30 Oct

Alex Chen

Choose what this viewer receives

  • React

    SCI 84 · 21 evidence entries

  • TypeScript

    SCI 64 · 15 evidence entries

  • AI Application Development

    SCI 55 · 9 evidence entries

Northwind sees 2 of 3 skills. Everything else stays private.

What we promise about your record.

How a score is worked out is set in the methodology. These are the commitments around it.

Alex Chen · Skills Passport
Signature valid
Signed11 Oct · Ed25519
RulesetSCI v3
Shared2 of 3 skills
PlanFree · same scoring as paid
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Your record is yours

You can export everything Lemma holds about you, and deleting your account deletes your record with it.

Private until you share

You decide which skills each viewer receives. Anything you have not shared stays private to you.

Checkable without us

A shared Passport is signed, so anyone can confirm it is genuine and unchanged without an account or a call to us.

Learning counts

Sessions you learn in and sessions you teach both count, not only the tests you pass.

No pay-to-score

Every plan scores evidence the same way and can reach 100. Paying buys volume and sharing options, never points.

Honest about limits

We say what a record can and cannot show, and we change the method in the open, with a new version number.

Who builds Lemma

Roman Kochetov

Founder

Lemma exists because the skills people build across courses, projects and work rarely leave behind a record that someone else can check.

Get in touch

Questions about Lemma, partnerships, hiring or press all go to the same inbox.

Email

Write to us at hello@getlemma.io.

Early access

Lemma is opening gradually. Leave your email and we will invite you as places open.

Reporting a vulnerability? Write to security@getlemma.io and see our security practices. For questions about your data, see the privacy policy.