Software development

Measure, track and drive improvement in code coverage across your engineering organization. Works with any CI service. Always free for open source. COVERALLS!

GitHub's global developer event is back. Join the world's fair of software.

Perfect-fit software. Designed for ambition. Built to last.

Read the Docs is a documentation building and hosting platform aimed at helping developers creating documentation from code with versioned documentation, integrated…

A Python IDE for AI-agent development: manage your coding agents and make them faster and cheaper, plus a full debugger, editor, testing, and more for hands-on coding.

Learn the technical skills to get the job you want. Join over 50 million people choosing Codecademy to start a new career (or advance in their current one).

The package manager for Kubernetes

A methodology for building modern, scalable, maintainable software-as-a-service apps.

Maker of web things, sticker merchant, viral toot-based business man, blogger, podcaster, and pizzaiolo. Human dad.

XEmacs is a highly customizable open source text editor and application development system. It is protected under the GNU Public License and related to other versions…

Shopify powers millions of businesses in more than 175 countries with essential commerce infrastructure. Our engineers and developers work on challenging and impactful…

Practical AI coding guides for Cursor, MCP, and prompt engineering — plus trusted HTML, CSS, and JavaScript reference documentation since 1995.

We are uncovering better ways of developing software by doing it and helping others do it. These are our values and principles.