StartupLibrary — Discover, Launch & Grow Your Startup

Weekhack is a SaaS growth platform that helps founders launch products, gain backlinks, and improve SEO through structured, indexable listings.

SEMrush is a powerful and versatile competitive intelligence suite for online marketing, from SEO and PPC to social media and video advertising research.

Tools to grow your search traffic, research your competitors and monitor your niche. It helps you learn why your competitors rank so high and what you need to do to outrank them.

Best-in-class SEO software for every situation, from all-in-one SEO platform to tools for local SEO, enterprise SERP analytics, and a powerful API.

It is a free service that helps you evaluate and maintain your website's performance in search results . It gives you at a glance data about all important SEO aspects of a site, such as keywords, links, crawl errors, etc.

It is a online SEO software for better website optimization. Build better websites quickly, easily and of course sustainably. It checks your complete website, by crawling all linked pages. All found pages with errors, problems with the on-page optimization or problems regarding the page content like duplicate content are collected and displayed in each check section.

AllInOneTools is a lightweight, developer-focused web platform that provides utilities for PDF processing, image optimization, text manipulation, SEO analysis, and Google AdSense workflows. It is designed for developers, indie hackers, and website owners who need fast, browser-based tools to support development, optimization, and monetization tasks. The platform emphasizes performance, privacy-friendly processing, and zero-installation workflows for modern web projects.

Headway allows gives you a way to keep your customers in the loop about your product with a public changelog and an in-app widget that can be installed within a few minutes.

It helps you accurately track your performance in SERPs, find opportunities for driving more organic traffic and for outperforming your competitors, while reporting effectively your results to clients and stakeholder.

12 free web validation tools in one place. Validate HTML, CSS, JSON, XML, check meta tags, Open Graph, accessibility and more. Get a quality score from 0 to 100 instantly. No signup, no limits.

Averi is the AI content engine built for startups. One workflow to run a content engine that ranks on Google, gets cited by AI, and turns increased visibility into customers. Research. Draft. Publish. Optimize. Repeat—all in one flow. Averi monitors trends, tracks competitors, and queues high-value topics automatically. You choose what gets drafted, refine it, and publish directly to your CMS. Every piece is stored in your Library—so Averi automatically builds content clusters, links related posts, and gets sharper with every publish. An engine that never stops learning. A strategy that continuously compounds.

Kholaseo is a free AI-powered SEO tool that helps you with keyword research, SEO content generation, on-page analysis, and meta tag creation — all in one place. Built by Kholaseh Agency.

Positionly lets you monitor daily changes, your competitors, measure SEO performance and improve your search engine rankings.

It is a community growth platform that helps you deliver a stellar experience, understand its impact, and put community members first.

Make your updates, announcements, new features, changes, and release notes noticeable. Your agile companion to increase customer retention, reinforce your feedback loop but also keep customers and internal teams in sync.

It is a cloud centric SEO management platform, offering solutions like Rank Analysis, Backlink Watch, SERP Archive & more.

It is a powerful tracker tool for SEO professionals that lets you follow, manage, and analyze your keywords with ease. It automatically delivers comprehensive, accurate, easy-to-read ranking data from every major search engine and most of the minor ones: Google, Bing, Yandex, Amazon, Google Maps, Google Images, also making it a Yahoo rank tracker and a Bing rank tracker.

Surmado is AI marketing intelligence for small businesses and agencies. SEO audits, AI visibility testing, and strategic advisory. Reports from $25. API-first. Async webhooks. Stable JSON schema. Built for developers who hate dashboards.

SEO audit & UX health tools. Get your free 360° on-page analysis, competitive keyword gaps, AI fixes, bounce rate predictor and mobile optimized reports.

Comprehensive website audit tool. Analyze Performance, GEO, SEO, Security & Accessibility in 60 seconds. Don't just get data—get AI powered actionable solutions.

Analyze your website's SEO elements and AI visibility with JustSEO.ai - Professional SEO analysis tool

Webseotrends is a different kind of place on the internet. A place where the measure of success isn’t views, but viewpoints. Where the quality of the idea matters, not the author’s qualifications. A place where conversation pushes ideas forward. Webseotrends is a tool in the Platform as a Service category of a tech stack.

Dominate AI search results with Hikoo. The complete Generative Engine Optimization platform to monitor, analyze, and improve your visibility on ChatGPT, Claude, Perplexity, and all major AI assistants. Start your AI SEO journey today.

Collect feature requests, let users vote, share your roadmap, and publish changelogs. Open source and self-hostable. Deploy in under five minutes.

It is a YouTube SEO tool for optimizing your YouTube Channel and ultimately getting more views. Our Toolset allows you to Audit the performance of your YouTube Channel, find great content ideas with the YouTube Keyword Tool, and track ranking improvements over time with the YouTube Rank Tracker.

It is a simple-to-use SEO tool for non-SEO experts. Improve your SEO performance so you can rank higher and faster.

Surmado is AI marketing intelligence for small businesses and agencies. SEO audits, AI visibility testing, and strategic advisory. Reports from $25. API-first. Async webhooks. Stable JSON schema. Built for developers who hate dashboards.

Grow organic traffic on auto-pilot with AI-powered SEO content. Get recommended by ChatGPT & rank on Google.

H2Fi is a free, all-in-one SEO Audit Tool that helps you analyze your website’s complete performance. It audits GA4 data, Google Search Console insights, Google Business Profile visibility, and all major On-Page SEO factors to show you exactly what your site needs to improve.H2Fi scans your site for technical issues, on-page SEO, speed, mobile performance, indexing, and Core Web Vitals. Using GA4 and GSC insights, it highlights opportunities and gives clear recommendations to improve rankings — completely free.

Listicle.com is a research and visibility tool that helps brands discover, analyze, and leverage listicle-style articles (“Top”, “Best of”, “Top X Tools”) across any niche. The platform is designed for SaaS companies, marketers, SEO professionals, and PR teams who want to identify high-value exposure opportunities, assess SEO impact, and secure placements that increase visibility in search and AI-driven recommendations.

Aus Bühl verbessert dein Google-Maps-Ranking automatisch. Ein echtes Team, keine Agentur – wir arbeiten im Hintergrund, während du dich auf dein Geschäft konzentrierst.

LovedByAI is a WordPress plugin designed to help websites rank better in AI-powered search engines like ChatGPT, Perplexity, and Claude. It provides actionable insights and optimizations to ensure your content is discovered and recommended by AI assistants.

Monitor backlinks in real time with LinksCrawler. Detect lost links, nofollow changes, indexability issues & protect your link portfolio. Start free.

Your website + LOVE = the visibility it truly deserves.LOVE Technology decodes what Google and users really want – with better content, good links and authentic UX signals. No guesswork. No overwhelm. LOVE Technology Overview Write what Google wantsAnswers to: What do I need to write that Google ranks it? and so much more. Is

Uncover your online visibility gaps. Find exactly where your brand is missing and get the solutions to close each gap. Fokal reveals visibility gaps across search engines, AI platforms, and media coverage.

Rankburst.ai is an all-in-one AI SEO growth platform built to drive predictable organic traffic and revenue. It analyzes keywords, competition, and search intent to produce optimized content plans tailored to your site. Using built-in publishing automation, Rankburst.ai creates and posts high-quality, long-form articles directly to WordPress, Webflow, Shopify, and Wix—saving countless hours of manual work.

Manage backlinks, write with AI, and track performance with GA — plus domain lookup, i18n convertor, HTML tools and Chrome extension. Start free.

Boost your brand visibility across ChatGPT, Google AI Overview, Perplexity, and more. AEObox combines strategy, content, and analytics for real AI discovery.

Automate SEO and optimize inventory for your Shopify store with noryX, AI-powered tools for amplifying brand visibility and growth. Install now!

Discover profitable sub-niches with AI-powered research. Find untapped opportunities, generate content ideas, and dominate your market with Niche Pig.

WhiteRank is the AI SEO software and LLM SEO software built for Generative Search SEO and GEO (Generative Engine Optimization). Run an AI search audit, get your LLM Visibility Score, fix entity SEO and structured data, and improve AI search visibility, citations, and rankings across ChatGPT, Google Gemini, Anthropic Claude, Perplexity AI and more.

Betlink is the next-generation platform for buying and selling sponsored articles — fully automated, cost-efficient, and built to scale your digital presence. Connect with verified media, rely on secure Stripe payments, and access deep performance metrics beyond basic analytics, including Search Console data, engagement signals, and authority insights. Strengthen your SEO, grow your visibility, or monetize your influence with a seamless and transparent experience.

White label SEO software for agencies. Scale your content services with AI-powered blog content that delivers Google & ChatGPT traffic for your clients. No extra staff needed.

LaserAI: AI-powered content tool for marketers & creators. Generate SEO-friendly text, boost productivity, drive engagement.

Complete SEO audits in 60 seconds. Automated crawling, PageSpeed analysis, and prioritized fixes.

Track Your Visibility in AI Search.

Beautiful changelog and product update pages for your users

Increase website traffic with AI SEO. Boost organic traffic from Google, ChatGPT, Claude, Perplexity by creating content and building backlinks

Content Gap Analyzer by Viral Marketing Lab Find your competitors’ top-performing SEO pages in one click! Uncover what drives their traffic and create better SEO content on similar topics!

AI SEO Toolkit is an all-in-one AI-powered SEO and content optimization platform designed to help marketers, bloggers, and businesses improve online visibility. It offers smart on-page SEO audits, AI content quality analysis, image optimization, and social media content generation in a single, easy-to-use dashboard. Built to save time and boost performance, WAI-Toolkit helps identify SEO issues, enhance content quality, and optimize websites for better rankings, engagement, and organic traffic growth.