TrustOSS is a free tool that analyzes the health and risk profile of public GitHub repositories and open-source libraries.

How is the health score calculated?

The score combines five weighted dimensions: activity, maintenance, community, documentation, and maturity, using public GitHub data.

How does the fake-star audit work?

It examines star growth patterns and recent stargazer profiles, looking for signs such as sudden spikes and suspicious account characteristics.

What does the deep scan check?

It checks vulnerabilities, real dependent packages, bus factor, CI pass rate, PR merge rate, docs-only detection, and star-growth authenticity.

Do I need an account to use TrustOSS?

No. Searching, analyzing, comparing, deep scans, star audits, and badges are free and do not require an account.

Can I add the score to my README?

Yes. TrustOSS provides an embeddable SVG badge that shows a repository's live score.

TrustOSS: GitHub repo analyzer for health, stars, and dependency risk

Name: TrustOSS
Rating: 5 (89 reviews)
Author: toolify

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Introduction:

GitHub repo analyzer for health, stars, and dependency risk

Added on:

Jul 28 2026

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TrustOSS Product Information

What is TrustOSS?

TrustOSS is a free web tool for analyzing public GitHub repositories and open-source libraries. It provides a health score, checks for fake-star patterns, runs deep scans for vulnerabilities, bus factor, CI and adoption signals, and lets you compare candidates side by side before you depend on them. It also offers shareable reports, README badges, and a CLI for dependency vetting.

How to use TrustOSS?

Search by keywords or paste an owner/repo name or GitHub URL. Then review the repository health score, run a fake-star audit or deep scan, compare 2–4 candidate libraries, and copy the README badge or shareable report URL. You can use the main features without an account; GitHub sign-in is only for the maintainer dashboard.

TrustOSS's Core Features

Repository health scoring across activity, maintenance, community, documentation, and maturity

Fake-star audit with star-growth and stargazer profile analysis

Deep scan for vulnerabilities, bus factor, CI pass rate, PR merge rate, and real adoption

Side-by-side comparison of 2–4 open-source libraries

Embeddable README badge with live TrustOSS score

CLI support for analyze, deep-scan, and star-audit

TrustOSS's Use Cases

Evaluate whether an open-source dependency is healthy before adding it to a project

Check if a GitHub repository may have bought or suspicious stars

Compare several candidate libraries and choose the strongest option

Assess supply-chain risk using vulnerability, bus factor, and adoption signals

Add a live quality badge to a repository README

FAQ from TrustOSS

What is TrustOSS?
How is the health score calculated?
How does the fake-star audit work?
What does the deep scan check?
Do I need an account to use TrustOSS?
Can I add the score to my README?

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