### Website Audit

#### **OpenVAS**

- **Open-Source**: Yes
- **Unique Feature**: Detailed vulnerability reports to help secure server setups.
- **Self-Hosted**: Yes
- **Linux Compatible**: Yes
- **Cost**: Free
- **Use Case**: Scanning server setups for security vulnerabilities to ensure robust security for websites.
- **Official Website**: [OpenVAS](https://www.openvas.org/)

#### **OWASP ZAP**

- **Open-Source**: Yes
- **Unique Feature**: Automated scanners along with various tools that allow manual testing.
- **Self-Hosted**: Yes
- **Linux Compatible**: Yes
- **Cost**: Free
- **Use Case**: Finding vulnerabilities in web applications, helping to secure websites from potential threats.
- **Official Website**: [OWASP ZAP](https://www.zaproxy.org/)

#### **Nikto**

- **Open-Source**: Yes
- **Unique Feature**: Performs comprehensive tests against web servers for multiple items, including potentially dangerous files and outdated versions.
- **Self-Hosted**: Yes
- **Linux Compatible**: Yes
- **Cost**: Free
- **Use Case**: Scanning web servers to find potential issues and vulnerabilities.
- **Official Website**: [Nikto on GitHub](https://github.com/sullo/nikto)

### SEO Audit

#### **SEOmatic**

- **Open-Source**: Yes (partially, there is a Pro version with more features)
- **Unique Feature**: Complete SEO tool, offering rich snippets and SEO customizations for each entry.
- **Self-Hosted**: Yes (it is a plugin for Craft CMS)
- **Linux Compatible**: Yes
- **Cost**: Free with a Pro version available
- **Use Case**: Optimizing a website's SEO by providing a comprehensive set of tools and features.
- **Official Website**: [SEOmatic](https://nystudio107.com/plugins/seomatic)

#### **Yoast SEO**

- **Open-Source**: Partially (There is a premium version with more features)
- **Unique Feature**: Provides SEO analysis and readability analysis to optimize content.
- **Self-Hosted**: Yes (WordPress plugin)
- **Linux Compatible**: Yes
- **Cost**: Free with a premium version available
- **Use Case**: Helping users create SEO-friendly content and improve the SEO score of their websites.
- **Official Website**: [Yoast SEO](https://yoast.com/wordpress/plugins/seo/)

### Tech Stack Analysis

#### **BuiltWith**

- **Open-Source**: No
- **Unique Feature**: Allows you to find out what technology websites are built with.
- **Self-Hosted**: No
- **Linux Compatible**: Yes (web-based)
- **Cost**: Freemium
- **Use Case**: Analyzing the technology stack of websites to gain insights and competitive intelligence.
- **Official Website**: [BuiltWith](https://builtwith.com/)

#### **Wappalyzer**

- **Open-Source**: Partially (The core library is open-source)
- **Unique Feature**: Identify technology on websites.
- **Self-Hosted**: No
- **Linux Compatible**: Yes (Browser extension)
- **Cost**: Freemium
- **Use Case**: Identifying the technologies used on websites for competitive analysis and business intelligence.
- **Official Website**: [Wappalyzer](https://www.wappalyzer.com/)

### Email Marketing Analytics

#### **Mautic**

- **Open-Source**: Yes
- **Unique Feature**: Marketing automation that includes comprehensive email marketing analytics.
- **Self-Hosted**: Yes
- **Linux Compatible**: Yes
- **Cost**: Free
- **Use Case**: Analyzing email marketing campaigns to drive better engagement and results.
- **Official Website**: [Mautic](https://www.mautic.org/)

#### **PHPList**

- **Open-Source**: Yes
- **Unique Feature**: Open-source solution for managing large mailing lists and newsletters.
- **Self-Hosted**: Yes
- **Linux Compatible**: Yes
- **Cost**: Free
- **Use Case**: Managing mailing lists and newsletters while keeping a close eye on detailed statistics related to email campaigns.
- **Official Website**: [PHPList](https://www.phplist.org/)

### Website Audit

#### **Wappalyzer**

- **Open-Source**: Yes
- **Unique Feature**: Identifies the technologies used on websites.
- **Self-Hosted**: No
- **Linux Compatible**: Yes (Browser extension)
- **Cost**: Free
- **Use Case**: Determining the technology stack of a website, including CMS, frameworks, e-commerce platforms, etc.
- **Official Website**: [Wappalyzer](https://www.wappalyzer.com/)

#### **Nmap**

- **Open-Source**: Yes
- **Unique Feature**: Network exploration tool and security scanner.
- **Self-Hosted**: Yes
- **Linux Compatible**: Yes
- **Cost**: Free
- **Use Case**: Identifying open ports and services on a website, network security auditing.
- **Official Website**: [Nmap](https://nmap.org/)

#### **Nikto**

- **Open-Source**: Yes
- **Unique Feature**: Web server scanner that identifies vulnerabilities and security issues.
- **Self-Hosted**: Yes
- **Linux Compatible**: Yes
- **Cost**: Free
- **Use Case**: Security scanning of web servers to find potential vulnerabilities.
- **Official Website**: [Nikto on GitHub](https://github.com/sullo/nikto)

### Tech Stack Analysis

#### **WhatWeb**

- **Open-Source**: Yes
- **Unique Feature**: Identifies websites technologies, including content management systems, blogging platforms, statistic/analytics packages, JavaScript libraries, web servers, and more.
- **Self-Hosted**: Yes
- **Linux Compatible**: Yes
- **Cost**: Free
- **Use Case**: Identifying technologies powering various websites for competitive intelligence and web development strategy.
- **Official Website**: [WhatWeb on GitHub](https://github.com/urbanadventurer/WhatWeb)

### Keyword Research

#### **KeywordTool.io**

- **Open-Source**: No
- **Unique Feature**: Keyword research tool offering keyword suggestions from various search engines.
- **Self-Hosted**: No
- **Linux Compatible**: Yes (web-based)
- **Cost**: Freemium
- **Use Case**: Identifying keyword opportunities for SEO and PPC campaigns.
- **Official Website**: [KeywordTool.io](https://keywordtool.io/)

#### **Ubersuggest**

- **Open-Source**: No
- **Unique Feature**: Keyword research and SEO tool offering keyword suggestions, content ideas, site audit, and more.
- **Self-Hosted**: No
- **Linux Compatible**: Yes (web-based)
- **Cost**: Freemium
- **Use Case**: Gaining keyword insights and content suggestions to improve SEO strategies.
- **Official Website**: [Ubersuggest](https://neilpatel.com/ubersuggest/)

### Competitive Analysis

#### **SimilarWeb**

- **Open-Source**: No
- **Unique Feature**: Provides website analytics and competitive analysis, including traffic stats, keyword analysis, etc.
- **Self-Hosted**: No
- **Linux Compatible**: Yes (web-based)
- **Cost**: Freemium
- **Use Case**: Analyzing website performance and competitive landscape in various industries.
- **Official Website**: [SimilarWeb](https://www.similarweb.com/)

### Social Media Analytics

#### **Metricool**

- **Open-Source**: No
- **Unique Feature**: Social media analytics and management platform offering detailed reporting and planning features.
- **Self-Hosted**: No
- **Linux Compatible**: Yes (web-based)
- **Cost**: Freemium
- **Use Case**: Managing and analyzing social media campaigns to drive better engagement.
- **Official Website**: [Metricool](https://metricool.com/)

#### **Crowdfire**

- **Open-Source**: No
- **Unique Feature**: Social media management tool offering features to discover and schedule content, and manage all your social accounts from a single place.
- **Self-Hosted**: No
- **Linux Compatible**: Yes (web-based)
- **Cost**: Freemium
- **Use Case**: Curating and sharing content across various social platforms efficiently.
- **Official Website**: [Crowdfire](https://www.crowdfireapp.com/)

### Email Marketing Analytics

#### **Mailchimp**

- **Open-Source**: No
- **Unique Feature**: Comprehensive email marketing platform offering features for campaign creation, analytics, automation, and more.
- **Self-Hosted**: No
- **Linux Compatible**: Yes (web-based)
- **Cost**: Freemium
- **Use Case**: Creating and managing email marketing campaigns with detailed analytics and reporting.
- **Official Website**: [Mailchimp](https://mailchimp.com/)

#### **Sendinblue**

- **Open-Source**: No
- **Unique Feature**: Marketing platform offering email marketing services along with additional features like SMS marketing.
- **Self-Hosted**: No
- **Linux Compatible**: Yes (web-based)
- **Cost**: Freemium
- **Use Case**: Managing email and SMS marketing campaigns with analytics to optimize performance.
- **Official Website**: [Sendinblue](https://www.sendinblue.com/)

### Website Audit

#### **Wappalyzer**

- **Open-Source**: Yes
- **Unique Feature**: Identifies the technologies used on websites.
- **Self-Hosted**: No
- **Linux Compatible**: Yes (Browser extension)
- **Cost**: Free
- **Use Case**: Determining the technology stack of a website, including CMS, frameworks, e-commerce platforms, etc.
- **Official Website**: [Wappalyzer](https://www.wappalyzer.com/)

#### **Nmap**

- **Open-Source**: Yes
- **Unique Feature**: Network exploration tool and security scanner.
- **Self-Hosted**: Yes
- **Linux Compatible**: Yes
- **Cost**: Free
- **Use Case**: Identifying open ports and services on a website, network security auditing.
- **Official Website**: [Nmap](https://nmap.org/)

#### **Nikto**

- **Open-Source**: Yes
- **Unique Feature**: Web server scanner that identifies vulnerabilities and security issues.
- **Self-Hosted**: Yes
- **Linux Compatible**: Yes
- **Cost**: Free
- **Use Case**: Security scanning of web servers to find potential vulnerabilities.
- **Official Website**: [Nikto on GitHub](https://github.com/sullo/nikto)

### Tech Stack Analysis

#### **WhatWeb**

- **Open-Source**: Yes
- **Unique Feature**: Identifies websites technologies, including content management systems, blogging platforms, statistic/analytics packages, JavaScript libraries, web servers, and more.
- **Self-Hosted**: Yes
- **Linux Compatible**: Yes
- **Cost**: Free
- **Use Case**: Identifying technologies powering various websites for competitive intelligence and web development strategy.
- **Official Website**: [WhatWeb on GitHub](https://github.com/urbanadventurer/WhatWeb)

### Keyword Research

#### **KeywordTool.io**

- **Open-Source**: No
- **Unique Feature**: Keyword research tool offering keyword suggestions from various search engines.
- **Self-Hosted**: No
- **Linux Compatible**: Yes (web-based)
- **Cost**: Freemium
- **Use Case**: Identifying keyword opportunities for SEO and PPC campaigns.
- **Official Website**: [KeywordTool.io](https://keywordtool.io/)

#### **Ubersuggest**

- **Open-Source**: No
- **Unique Feature**: Keyword research and SEO tool offering keyword suggestions, content ideas, site audit, and more.
- **Self-Hosted**: No
- **Linux Compatible**: Yes (web-based)
- **Cost**: Freemium
- **Use Case**: Gaining keyword insights and content suggestions to improve SEO strategies.
- **Official Website**: [Ubersuggest](https://neilpatel.com/ubersuggest/)

### Competitive Analysis

#### **SimilarWeb**

- **Open-Source**: No
- **Unique Feature**: Provides website analytics and competitive analysis, including traffic stats, keyword analysis, etc.
- **Self-Hosted**: No
- **Linux Compatible**: Yes (web-based)
- **Cost**: Freemium
- **Use Case**: Analyzing website performance and competitive landscape in various industries.
- **Official Website**: [SimilarWeb](https://www.similarweb.com/)

### Social Media Analytics

#### **Metricool**

- **Open-Source**: No
- **Unique Feature**: Social media analytics and management platform offering detailed reporting and planning features.
- **Self-Hosted**: No
- **Linux Compatible**: Yes (web-based)
- **Cost**: Freemium
- **Use Case**: Managing and analyzing social media campaigns to drive better engagement.
- **Official Website**: [Metricool](https://metricool.com/)

#### **Crowdfire**

- **Open-Source**: No
- **Unique Feature**: Social media management tool offering features to discover and schedule content, and manage all your social accounts from a single place.
- **Self-Hosted**: No
- **Linux Compatible**: Yes (web-based)
- **Cost**: Freemium
- **Use Case**: Curating and sharing content across various social platforms efficiently.
- **Official Website**: [Crowdfire](https://www.crowdfireapp.com/)

### Email Marketing Analytics

#### **Mailchimp**

- **Open-Source**: No
- **Unique Feature**: Comprehensive email marketing platform offering features for campaign creation, analytics, automation, and more.
- **Self-Hosted**: No
- **Linux Compatible**: Yes (web-based)
- **Cost**: Freemium
- **Use Case**: Creating and managing email marketing campaigns with detailed analytics and reporting.
- **Official Website**: [Mailchimp](https://mailchimp.com/)

#### **Sendinblue**

- **Open-Source**: No
- **Unique Feature**: Marketing platform offering email marketing services along with additional features like SMS marketing.
- **Self-Hosted**: No
- **Linux Compatible**: Yes (web-based)
- **Cost**: Freemium
- **Use Case**: Managing email and SMS marketing campaigns with analytics to optimize performance.
- **Official Website**: [Sendinblue](https://www.sendinblue.com/)
