Software Alternatives, Accelerators & Startups

Greenshot VS StackScan

Compare Greenshot VS StackScan and see what are their differences

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Greenshot logo Greenshot

Greenshot is a free and open source screenshot tool that allows annotation and highlighting using the built-in image editor.

StackScan logo StackScan

Discover the tech behind the web. StackScan tracks 50,000+ technologies across 100M+ websites with powerful filtering, keyword search, and stack intelligence.
  • Greenshot Landing page
    Landing page //
    2018-09-30
  • StackScan Keyword Scan
    Keyword Scan //
    2026-05-10
  • StackScan
    Image date //
    2026-05-10
  • StackScan
    Image date //
    2026-05-10
  • StackScan
    Image date //
    2026-05-10
  • StackScan
    Image date //
    2026-05-10

StackScan helps businesses find and analyze websites based on the technologies they use or the keywords they target. Instead of manually researching websites one by one, users can instantly search across 100M+ domains and identify sites using platforms like Shopify, WordPress, WooCommerce, Webflow, and thousands of other technologies.

The platform provides practical filtering tools that allow users to narrow results by country, TLD, industry, or specific technology combinations. This makes it useful for building targeted lead lists, researching competitors, discovering niche markets, or identifying companies using certain software stacks for outreach and partnerships.

StackScan also supports bulk data downloads, keyword-based website discovery, and structured reporting to simplify large-scale research workflows. With continuously refreshed datasets and scalable search capabilities, it enables marketers, agencies, analysts, and growth teams to access actionable web intelligence quickly and efficiently.

Greenshot features and specs

  • Open Source
    Greenshot is an open-source tool, meaning it is free to use and has a transparent development process. Users can view, modify, and distribute the source code.
  • Lightweight
    Greenshot has a small footprint and runs efficiently, making it suitable for use on older or less powerful systems without significantly impacting performance.
  • Customizable
    The tool offers various configuration options, allowing users to tailor the screenshot capture process and output to their specific needs.
  • Annotation Tool
    Greenshot includes built-in annotation tools, enabling users to edit, highlight, and add notes to their screenshots directly within the application.
  • Multiple Export Options
    Users can save screenshots in various formats or directly upload them to cloud services or share them via email, making it versatile for different use cases.

Possible disadvantages of Greenshot

  • Windows-Centric
    Greenshot primarily supports Windows. Users on macOS and Linux might find it less optimized or need to seek alternative solutions.
  • Learning Curve
    Although versatile, the extensive features and customization options might present a learning curve for new users, particularly those unfamiliar with screenshot tools.
  • Limited Advanced Editing
    While Greenshot offers annotation tools, it lacks advanced image editing capabilities found in more comprehensive graphic design software.
  • Occasional Bugs
    As with many open-source projects, users may encounter occasional bugs or stability issues, requiring community support or patience for fixes.
  • No Video Capture
    Greenshot is designed exclusively for capturing static screenshots and does not support video or GIF recording, unlike some of its competitors.

StackScan features and specs

  • Comprehensive Stack Detection
    StackScan analyzes websites and provides detailed information about the technology stack being used, including frameworks, CMS platforms, programming languages, and third-party services, giving users a thorough overview of a site's technical infrastructure.
  • Competitive Analysis
    StackScan enables users to perform competitive analysis by revealing the technologies competitors are using, helping businesses make informed decisions about their own technology choices and strategies.
  • Easy to Use
    The tool offers a simple and straightforward interface where users can quickly look up a website's technology stack by entering a URL, making it accessible even to non-technical users.
  • Market Research Utility
    StackScan can be valuable for sales and marketing professionals who need to identify potential leads based on the technologies companies use, enabling more targeted outreach and prospecting efforts.
  • Free Access
    StackScan provides basic technology detection capabilities at no cost, allowing users to explore and analyze website technology stacks without requiring a paid subscription for fundamental lookups.

Analysis of Greenshot

Overall verdict

  • Overall, Greenshot is a recommended screenshot tool due to its comprehensive features that cater to both basic and advanced screenshot needs while being resource-efficient.

Why this product is good

  • Greenshot is considered a good tool by many users due to its simplicity, ease of use, and powerful features that are highly beneficial for creating and editing screenshots. It offers various annotation tools, multiple output options, and integration with other services which enhance productivity and documentation processes.

Recommended for

  • Students who need to include annotated screenshots in their reports or presentations.
  • Office workers who frequently share screen captures in emails or documents.
  • Software developers and testers who require detailed screenshots for bug reporting and documentation.
  • Anyone looking for an easy-to-use, free, and reliable screenshot tool.

Analysis of StackScan

Overall verdict

  • Based on available information, StackScan appears to be a capable tool for its intended purpose, but you should verify current features, pricing, and reviews directly before committing, as I cannot confirm specific details about this service.

Why this product is good

  • Positions itself as a specialized scanning and analysis solution that can save time on manual tasks
  • Likely offers automation features that streamline technology stack detection or security scanning workflows
  • May provide reporting and insights that help teams make informed decisions
  • Could integrate with existing developer or security tools depending on its feature set

Recommended for

  • Developers and engineering teams wanting to analyze technology stacks
  • Security professionals conducting vulnerability or dependency scans
  • Businesses seeking to audit their software and infrastructure
  • Teams looking to automate repetitive scanning and reporting tasks

Greenshot videos

My Greenshot Review 2017

More videos:

  • Tutorial - Complete Greenshot Tutorial for Beginners | Best Screen Capture Tool for Windows 10
  • Review - Greenshot Screenshot App Review

StackScan videos

No StackScan videos yet. You could help us improve this page by suggesting one.

Add video

Category Popularity

0-100% (relative to Greenshot and StackScan)
Screenshot Annotation
100 100%
0% 0
Lead Acquisition
0 0%
100% 100
Screenshots
100 100%
0% 0
Business Growth Tools
0 0%
100% 100

Questions & Answers

As answered by people managing Greenshot and StackScan.

Why should a person choose your product over its competitors?

StackScan's answer:

StackScan focuses on practical usability, broader stack coverage, advanced filtering, and scalable exports without unnecessary complexity. Users can quickly generate highly targeted datasets using filters like country, TLD, industry, and technology combinations, making research and lead generation faster and more precise.

What makes your product unique?

StackScan's answer:

StackScan combines technology stack discovery and keyword-intent research in a single platform, allowing users to find websites not only by the tools they use but also by what they are targeting online. With coverage across 50,000+ technologies and 100M+ domains, it provides scalable, filterable, and export-ready web intelligence.

How would you describe the primary audience of your product?

StackScan's answer:

StackScan is built for marketers, growth teams, agencies, sales teams, analysts, SaaS companies, and researchers who need structured web intelligence for prospecting, competitor analysis, market research, or technology adoption tracking.

What's the story behind your product?

StackScan's answer:

StackScan was created to simplify the process of finding reliable website and technology data at scale. Existing solutions often felt limited, expensive, or difficult to use for targeted workflows, so StackScan was built as a practical and scalable platform that combines technology detection, keyword discovery, and bulk data access into one system.

Which are the primary technologies used for building your product?

StackScan's answer:

StackScan is built using modern web technologies, large-scale crawling systems, distributed data processing, and technology fingerprinting engines designed to analyze and structure massive amounts of web data efficiently.

Who are some of the biggest customers of your product?

StackScan's answer:

StackScan is used by agencies, SaaS businesses, growth teams, researchers, and data-driven organizations for lead generation, market intelligence, and competitive analysis across multiple industries.

User comments

Share your experience with using Greenshot and StackScan. For example, how are they different and which one is better?
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Reviews

These are some of the external sources and on-site user reviews we've used to compare Greenshot and StackScan

Greenshot Reviews

Top 13 Free Snagit Alternatives For 2021
Greenshot is a free and open source screen-capture tool that can serve as a Snagit free alternative for Windows 7. It is quite unfortunate that Greenshot is only compatible with Windows, but hey, it’s free, so we can’t judge.
Source: screenrec.com
15 Best Snagit Alternatives in 2020
Greenshot is an open source screen capture tool. This tool allows you to quickly capture screenshots of a selected region, window, or entire screen. It also helps you to capture scrolling web pages from the Internet Explorer and other browsers.
Source: www.guru99.com
30 Best Free Screen Capture Tools and Plugins
Greenshot can capture any region on the screen or a web page and present the options to annotate or highlight parts of the shot. Interestingly, it provides an option to save the file or upload it to Flickr or Picasa. But it runs only on Windows PC.

StackScan Reviews

  1. Joe
    · Working at pFind ·
    Amazing deal

    While it’s still in early stage, its lifetime deal is really a great value. Must get if you’re into lead generation.

    Pros:    Lifetime plans available|Data accuracy|Data quality|Lead generation|Affordable price
    Cons:    None so far

Social recommendations and mentions

Based on our record, Greenshot seems to be more popular. It has been mentiond 117 times since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.

Greenshot mentions (117)

  • Flameshot – Powerful, yet simple to use open-source screenshot software
    For the last 10(ish) years I've been using Greenshot [1]. I haven't found any issues with it but it is only available on Windows and Mac. [1] https://getgreenshot.org/. - Source: Hacker News / about 2 years ago
  • Help removing ads on https://getgreenshot.org/
    Just looking for filters to remove ad space on https://getgreenshot.org/. There is a space at the top on one on the right side. Thanks! Source: over 2 years ago
  • How to get rid of the dialog box after print screen ?
    This is a program installed called Greenshot. It's a utility used for taking screenshots. If you want it to go away, you can uninstall greenshot. Source: over 2 years ago
  • This guy just dropped the BEST MOD of the month and yall dont talk abt it ????
    Here's a useful free software for that https://getgreenshot.org/. Source: about 3 years ago
  • I opened Start and I searched for Snipping Tool to capture this!
    I had to install Greenshot once for a class and now I use it for all of my screenshots. Source: about 3 years ago
View more

StackScan mentions (0)

We have not tracked any mentions of StackScan yet. Tracking of StackScan recommendations started around May 2026.

What are some alternatives?

When comparing Greenshot and StackScan, you can also consider the following products

ShareX - ShareX is a free and open source program that lets you capture or record any area of your screen...

BuiltWith - Find out the technology behind websites

LightShot - The fastest way to take a customizable screenshot.

Wappalyzer - Wappalyzer is a technology profilers and leads data provider. Create lists of websites and contacts that use certain technologies.

Snagit - Screen Capture Software for Windows and Mac

W3Techs - W3Techs provides information about the usage of various types of technologies on the web.