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SEO Tools Software & Alternatives

Search engine optimisation and keyword research tools.

SearXNG

Internet metasearch engine which aggregates results from various search services and databases (Fork of Searx).

31.8K stars open source
SEO Tools Search Engines

HEAD

HEAD is a comprehensive technical guide dedicated to HTML head elements, designed to help developers optimize web pages for browsers, search engines, and social platforms. It provi... Read More

30.3K stars open source
SEO Tools Documentation

Vuepress

📝 Minimalistic Vue-powered static site generator

22.8K stars open source
SEO Tools Static Site Generators

Lantern

Open-source VPN for speed, privacy, and censorship circumvention. Free to download on Android, iOS, Windows, macOS, and Linux.

15.7K stars open source
SEO Tools VPN & Firewalls Mobile Development

Claude Seo

Universal SEO skill for Claude Code. 25 sub-skills + 18 sub-agents covering technical SEO, E-E-A-T, schema, GEO/AEO, backlinks, local SEO, maps intelligence, semantic clustering, e... Read More

8.5K stars open source
AI Tools SEO Tools

Next Seo

Next SEO is a plug in that makes managing your SEO easier in Next.js projects.

8.5K stars open source
SEO Tools JavaScript Libraries & Components

Framework

Simple forum software for building great communities.

6.7K stars open source
E-commerce Platforms Email Marketing Web Development

React Snap

👻 Zero-configuration framework-agnostic static prerendering for SPAs

5.1K stars open source
SEO Tools Static Site Generators

React Firebase Starter

Boilerplate (seed) project for creating web apps with React.js, GraphQL.js and Relay

4.5K stars open source
HTML CSS & Website Templates SEO Tools

1000UserGuide

1000UserGuide：对独立开发者和创业者来说，找到前1000个早期用户太关键了。这里精心整理了300多个国内外渠道，适合独立开发者和创业者推广产品的渠道。 Read More

3.8K stars open source
SEO Tools Documentation

Next Sitemap

Sitemap generator for next.js. Generate sitemap(s) and robots.txt for all static/pre-rendered/dynamic/server-side pages.

3.7K stars open source
SEO Tools Testing & QA

Seotools

SEO Tools for Laravel

3.4K stars open source
SEO Tools CMS Plugins & Extensions

NotFair

Open-source Claude Code skills for SEO, GEO, Google Ads, Meta Ads

2.8K stars open source
AI Tools SEO Tools Social Media Management

React Pwa

An upgradable boilerplate for Progressive web applications (PWA) with server side rendering, build with SEO in mind and achieving max page speed and optimized user experience.

2.6K stars open source
HTML CSS & Website Templates SEO Tools

GEOFlow

Open-source GEO content engineering and multi-site distribution system with AI tasks, RAG/semantic chunking, analytics, GEOFlow Agent and WordPress target publishing.

2.5K stars open source
AI Tools Web Development SEO Tools

Open Seo

Open source alternative to Semrush and Ahrefs

2.2K stars open source
SEO Tools

Elderjs

Elder.js is an opinionated static site generator and web framework for Svelte built with SEO in mind.

2.1K stars open source
HTML CSS & Website Templates SEO Tools Static Site Generators

Broken Link Checker

Find broken links, missing images, etc within your HTML.

2.1K stars open source
SEO Tools JavaScript Libraries & Components

Seo Geo Claude Skills

20 SEO & GEO skills for Claude Code, Cursor, Codex, and 35+ AI agents. Keyword research, content writing, technical audits, rank tracking. CORE-EEAT + CITE frameworks.

2.1K stars open source
AI Tools SEO Tools

Docmd

Build production-ready documentation from Markdown in seconds. No React, no bloat, just content.

2K stars open source
AI Tools SEO Tools Documentation

About SEO Tools Software

Top open source SEO alternatives.