lowlighter

lowlighter/metrics

JavaScript MIT Dev Tools

📊 An infographics generator with 30+ plugins and 300+ options to display stats about your GitHub account and render them as SVG, Markdown, PDF or JSON!

16.9k stars
2.2k forks
slow
GitHub +31 / week

16.9k

Stars

2.2k

Forks

65

Open issues

30

Contributors

v3.34 13 Sep 2023

AI Analysis

Metrics is an infographics generator that creates SVG, Markdown, PDF, or JSON visualizations of GitHub account statistics for users, organizations, and repositories. It serves developers and GitHub users who want to embed customizable profile statistics and activity summaries in their README files or elsewhere. The project is best suited for those seeking flexible, data-driven GitHub profile presentations rather than general-purpose analytics.

Dev Tools Developer Tool Discovery value: 4/10
Documentation 8/10
Activity 7/10
Community 9/10
Code quality 6/10

Inferred from signals mentioned in the README (tests, CI, type safety) — not a review of the actual code.

Overall score 8/10

AI's overall editorial judgment — not an average of the bars above, can weigh other factors too.

github-automation metrics-visualization profile-customization svg-generation readme-enhancement
Actively maintained Well documented MIT licensed Popular Beginner friendly Production ready
Deep Analysis · Based on README and public signals
3w ago

GitHub profile metrics generator with 47 plugins turns README stats into rich SVG infographics

lowlighter/metrics is a self-hosted or GitHub Actions-based tool that pulls data from GitHub's API and renders it as SVG, Markdown, PDF, or JSON infographics embeddable in profile READMEs. It targets developers who want richly customized profile pages — isometric calendars, language breakdowns, stargazer worldmaps, coding habits, and dozens more data visualizations. With 16,800+ stars and broad plugin coverage, it serves a clear and permanent niche: developer personal branding on GitHub. The audience is primarily individual developers and open source maintainers, not enterprises.

Origin

Created in September 2020, during the wave of GitHub profile README enthusiasm that followed GitHub's feature launch in mid-2020. It has grown steadily over five years, expanding from a basic stats card to 47 plugins and 335 options.

Growth

Initial growth was driven by the viral GitHub profile README trend of 2020–2021. The project differentiated itself with far more plugin variety than simpler alternatives. Star growth has plateaued (~23 stars/week as of late 2026), suggesting the project has reached its natural audience ceiling rather than actively declining. Continued maintenance keeps it relevant for existing users.

In production

The project is embedded in profile READMEs of a large but uncounted number of GitHub users — this is verifiable by searching GitHub for the metrics action reference. A ProductHunt feature badge is present in the README. Real-world adoption in profile READMEs appears widespread based on the fork count and the nature of the tool, though precise deployment numbers are not formally documented.

Code analysis
Architecture

Appears to be a Node.js/JavaScript application deployable as a GitHub Action, a Docker container, or a self-hosted web service. Plugins are likely modular units under a source/plugins directory based on README structure. SVG rendering is central to the output pipeline. The CI badge suggests automated testing and deployment workflows are in place.

Tests

A continuous integration badge is visible in the README, suggesting automated tests exist, but coverage percentage and testing methodology are not documented in the README.

Maintenance

Last push was 2026-05-29, approximately 24 days before the evaluation date — indicating active maintenance. The project has been continuously developed for nearly 6 years. At 2,229 forks with regular commits, it shows a healthy maintenance cadence for a solo-led open source project.

Honest verdict

ADOPT IF: you want highly customized GitHub profile visualizations and are comfortable setting up a GitHub Action or self-hosted instance; the plugin breadth here is unmatched in its niche. AVOID IF: you want a zero-configuration hosted service — setup complexity is non-trivial and a simpler tool like github-readme-stats may be sufficient. MONITOR IF: you depend on third-party API integrations (e.g., Twitter, Last.fm plugins) as those external services can break independently of the project's own maintenance.

Independent dimensions

Mainstream potential

4/10

Technical importance

6/10

Adoption evidence

6/10

Risks
  • GitHub API rate limits and policy changes can break core functionality without any fault in the project itself — a structural dependency risk for all tools in this category.
  • Project appears primarily maintained by a single contributor (lowlighter), creating a bus-factor risk for long-term sustainability.
  • Third-party service plugins (music, social, gaming integrations) are subject to upstream API deprecations or authentication changes outside the maintainer's control.
  • Star growth has plateaued, suggesting the project may have saturated its natural audience; community contributor momentum may be limited.
  • Self-hosting requirement adds operational overhead — users relying on the public hosted instance (if any) face availability risks not present with fully hosted alternatives.
Prediction

Likely to remain a stable, well-maintained niche tool for power users of GitHub profile customization. Unlikely to see explosive growth but also unlikely to be abandoned given the maintainer's consistent history.

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Languages

JavaScript
73.3%
TypeScript
18.6%
HTML
6.2%
CSS
1.6%
Shell
0.2%
Dockerfile
0.1%

Information

Language
JavaScript
License
MIT
Last updated
1mo ago
Created
71mo ago
Analyzed with
anthropic/claude-haiku-4-5

Stars over time

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Contributors over time

Top 100 contributors only — repos with more will plateau at 100.

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vs. alternatives
anuraghazra/github-readme-stats

The dominant tool in this space with ~80k stars and a hosted service requiring no setup. Far simpler to use but offers far fewer customization options. Metrics targets users who want deep control; readme-stats targets users who want quick embeds. They coexist rather than directly compete for the same user.

rahuldkjain/github-profile-readme-generator

A form-based UI generator for building profile READMEs, not a data-fetching metrics renderer. Solves the layout/template problem rather than the data visualization problem. Different user intent — lower overlap than star counts suggest.

tipsy/profile-summary-for-github

An older web app (~20k stars) that renders a summary page for any GitHub user. Read-only, not embeddable, and appears less actively maintained. Serves a browsing use case rather than a profile decoration use case.

jstrieb/github-stats

Minimal stats card generator (~3.5k stars) with much simpler output. Targets users wanting a lightweight, privacy-respecting alternative. Far narrower plugin scope. Not a serious competitor for users who want the full metrics feature set.