Web Development

An MIT-licensed JavaScript cron syntax validator with configurable grammar options.

Schedule recurring execution of websites and scripts with the free cron-job.org service.

A free browser form for preparing a Unix crontab entry from schedule fields, command and output choices.

An MIT-licensed JavaScript and TypeScript library for parsing cron expressions and calculating execution dates.

Manage dependencies for PHP projects with Composer, which lets developers declare, install, and update packages.

Python users can build static websites with Pelican, a site generator.

Find and fix accessibility issues in websites with Accessibility Insights, including its browser extension.

A free browser accessibility toolbar with page checks and tools for inspecting visual and interaction issues.

A free browser cron editor with timezone selection and previews of upcoming execution dates.

A free browser helper for reading five-field cron expressions and checking fields and operators.

Build blogs, presentations, and online stores with Vvveb, an open-source content management system and drag-and-drop site builder.

Websites can be created without coding or design experience with SITE123’s website builder.

Semantic UI provides a shared vocabulary and components for designers and developers building user interfaces.

WordPress is open-source publishing software for creating websites, blogs, and apps.

A browser developer-tools extension for checking page accessibility and reviewing findings by element.

An MIT-licensed library for turning cron expressions into readable descriptions in several languages.

Serve websites with Caddy, an HTTP server that supports automatic HTTPS.

docsify generates documentation websites from Markdown files without building static HTML pages in advance.

specification.website documents platform-independent requirements for HTML, accessibility, security, SEO, and agent readiness.

Medusa is an open-source commerce platform for developers and agents building commerce applications.

Automate browser tasks and scrape websites with Browserflow, a visual tool that requires no coding.

Open-source static websites can be generated with Hugo, a flexible tool for building content-driven pages.

Find downloads, documentation, and project information for the Apache HTTP Server.

Expose a local TCP service through a remote server with Bore, a command-line tunneling tool.