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The Download

Join rotating hosts from GitHub’s Developer Advocacy team - including Andrea Griffiths, Cassidy Williams, Kedasha Kerr, and more for the latest in developer, open source, and GitHub news.

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Popular topic

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React

React is an open source JavaScript library used for designing user interfaces.
posthog

Trending repository

🦔 PostHog is an all-in-one developer platform for building successful products. We offer product analytics, web analytics, session replay, error tracking, feature flags, experimentation, surveys, data warehouse, a CDP, and an AI product assistant to help debug your code, ship features faster, and keep all your usage and customer data in one stack.

  • Updated Apr 25, 2026
  • Python
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This recommendation was created by GitHub staff

AccessLint

AccessLint brings automated web accessibility testing into your development workflow. When a pull request is opened, AccessLint reviews the changes and comments with any new accessibility issues, giving you quick, timely, and targeted feedback, before code goes live.

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This recommendation was created by GitHub staff

Mend Bolt

We'll help you harness the power of open source without compromising on security or agility!

Mend Bolt for GitHub is a FREE app, which continuously scans all your repos, detects vulnerabilities in open source components and provides fixes. It supports both private and public repositories.

We've got you covered with over 200 programming languages support and continuous tracking of multiple open source vulnerabilities databases like the NVD and additional security advisories.