Directory
Published directory entries matching your search.
Seodity is an SEO toolkit offering keyword research, competitor analysis, content generation with AI, rank tracking and backlink checking. Plans have monthly limits covering projects, tracked keywords, audits and AI articles.
SEOnaut is an open source SEO auditing and reporting tool. It crawls websites and checks for broken links, redirects, duplicated or missing meta tags, heading issues, hreflang problems and missing image alt attributes. The tool can be configured to crawl subdomains or sitemaps, follow nofollow links, check external links and access password-protected sites via HTTP Basic Authentication. It can also create WACZ archives of a site.
SEOquake helps audit websites, improve search visibility, and monitor SEO or analytics performance.
Server-side Rendering (SSR) Checker crawls websites to audit SEO, accessibility, performance, and technical page issues.
Shadowsocks helps find, check, or use proxy services for alternate web access and privacy testing.
Shlink is an open source network utility for diagnostics, connectivity checks, or internet testing.
Shodhganga is a repository maintained by the INFLIBNET Centre for Indian Ph.D. theses. It captures, indexes, stores, disseminates and preserves electronic theses and dissertations submitted by researchers, making them available through open access. Regional language translation support is in a testing phase. Membership is not offered to colleges.
SiteAnalyzer is a website crawler for technical audits and SEO optimization. It scans site pages and checks more than 60 parameters, including broken links, duplicate pages, meta tags and server response codes. It offers integrations with Google Search Console, Yandex Webmaster and Yandex Metrica, internal PageRank calculation, site structure visualization and sitemap generation. A free version and a Pro plan are available.
Sitebulb is a website crawler for SEO audits, available as desktop software and a cloud service. It reports prioritized hints, audit comparison and JavaScript crawling. Desktop crawls up to 500,000 URLs per audit; cloud supports up to 10m URLs per audit with real-time team collaboration.
SiteDorks is an open-source Python tool that automates search engine dork queries across Google, Bing, Ecosia, DuckDuckGo, Yandex and Yahoo. It includes default lists of 638 categorized dorkable websites and bug bounty programs, supports custom site lists, and allows query splitting for search engines with character limits. The tool is designed for reconnaissance, penetration testing and security research tasks.
siteone-crawler checks page speed, performance, technical issues, and web quality signals.
Supports software work with AI-assisted coding, testing or application development.
Social Trends helps audit websites, improve search visibility, and monitor SEO or analytics performance.
social-analyzer is an online tool that helps users work with usernames, digital identities, or related information for research and testing.
Softstack is a Germany-based Web3 service partner offering smart contract audits, software development and consulting. Its services include smart contract auditing, penetration testing, dApp development and Web3 regulations consulting. The company presents itself as a service partner for software development, cybersecurity and consulting in Web3.
SpeedVitals is a website speed testing tool that runs page speed tests from 30 or more locations and devices and measures Core Web Vitals. It also provides a TTFB test, batch analysis of up to 50 tests, performance monitoring with email and Slack alerts, and reports including waterfall charts and resource summaries. The site lists free tools such as an image compressor and an SEO analyzer.
SpiderSuite is a web crawling and security testing platform for security professionals, penetration testers and researchers. It offers specialized crawlers, traffic interception, request crafting and fuzzing, along with source and graph views of crawl data, plus import and export in formats such as HAR, WARC, CSV and JSON.
Online SQL editor for writing and testing SQL queries without setting up a local database.
Storybook is a frontend workshop for building UI components and pages in isolation. It helps developers develop and share hard-to-reach states and edge cases without running the whole app, and supports UI development, testing and documentation. It is open source and free.
System Designer is a learning site offering interactive lessons and case studies on system design. Its Machine Learning Systems section covers building production ML systems, from data pipelines to deployment, with topics such as distributed training, model serving, MLOps monitoring and A/B testing. Lessons are organized into units with stated difficulties and durations.
tech-seo-audit-skill crawls websites to audit SEO, accessibility, performance, and technical page issues.
TechBone provides visual step-by-step guides for devices from brands including Samsung, Apple, Xiaomi and Huawei. The site states it offers over 3,100 interactive guides covering 4,600+ devices, with live simulators for testing menus. Topic hubs cover areas such as connections, SIM management and mobile data.
Techlore Chart helps find, check, or use proxy services for alternate web access and privacy testing.
temp-mail.io provides temporary or disposable email addresses for quick signups and inbox testing.
