Ahrefs SEO Toolbar
The Ahrefs SEO Toolbar gives free on-page SEO data, link analysis and a redirect tracer in Chrome. Ahrefs metrics such as traffic need a subscription.
Freemium
- Windows
- macOS
- Linux
Webmaster Tools
Tools webmasters and site owners download: SEO crawlers, local servers, database and API clients, FTP apps, web servers, SSL certificates, static site generators and SEO browser extensions, with free vs paid limits.
25 items
Software
MozBar
MozBar shows Domain Authority, Page Authority and on-page SEO details in Chrome. What Guest mode, a free Moz account and Moz Pro each unlock.
Freemium
- Windows
- macOS
- Linux
SEOquake
SEOquake adds an SEO toolbar, SERP overlay, page audit and keyword density report to Chrome. Free from Semrush; what a free account adds.
Free
- Windows
- macOS
- Linux
Lighthouse
Lighthouse is built into Chrome DevTools, but the npm CLI lets you script audits and save HTML, JSON or CSV reports. Node requirement and basic usage.
Open source
- Windows
- macOS
- Linux
Hugo
Hugo turns Markdown into a fast static website. Standard, extended and deploy editions explained, plus winget, Chocolatey and Scoop commands for Windows.
Open source
- Windows
- macOS
- Linux
Apache HTTP Server
The Apache project releases httpd as source code only. Where Windows users get binaries (Apache Lounge, WampServer) and how to verify official downloads.
Open source
- Linux
- Windows
- macOS
nginx
Get nginx from nginx.org: when to choose the stable or mainline branch, where the Linux packages are, and why nginx for Windows is a beta.
Open source
- Linux
- Windows
- macOS
Caddy
Caddy gets and renews HTTPS certificates for your domains automatically and redirects HTTP to HTTPS. Install options for Linux, Windows, macOS and Docker.
Open source
- Linux
- Windows
- macOS
Certbot
Certbot from the EFF gets free HTTPS certificates from Let's Encrypt and renews them. Snap install on Linux, Apache and nginx setup, port 80 rules.
Open source
- Linux
- macOS
- Windows
Sublime Text
Sublime Text is a fast code editor for HTML, CSS, PHP and more. You may evaluate it for free, but continued use needs a licence; personal vs business.
Trial
- Windows
- macOS
- Linux
Cyberduck
Cyberduck connects to FTP, SFTP, WebDAV, Amazon S3, Google Drive and more from one window. Free, open-source app for Mac and Windows; donation key.
Open source
- Windows
- macOS
GitHub Desktop
Commit, branch and push to GitHub from a visual app. GitHub Desktop is free and open source for Windows and macOS; requirements and install steps.
Open source
- Windows
- macOS