Software Alternatives, Accelerators & Startups

OpenCV VS BuiltWith

Compare OpenCV VS BuiltWith and see what are their differences

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OpenCV logo OpenCV

OpenCV is the world's biggest computer vision library

BuiltWith logo BuiltWith

Find out the technology behind websites
  • OpenCV Landing page
    Landing page //
    2023-07-29
  • BuiltWith Landing page
    Landing page //
    2023-04-16

OpenCV features and specs

  • Comprehensive Library
    OpenCV offers a wide range of tools for various aspects of computer vision, including image processing, machine learning, and video analysis.
  • Cross-Platform Compatibility
    OpenCV is designed to run on multiple platforms, including Windows, Linux, macOS, Android, and iOS, which makes it versatile for development across different environments.
  • Open Source
    Being open-source, OpenCV is freely available for use and allows developers to inspect, modify, and enhance the code according to their needs.
  • Large Community Support
    A large community of developers and researchers actively contributes to OpenCV, providing extensive support, tutorials, forums, and continuously updated documentation.
  • Real-Time Performance
    OpenCV is highly optimized for real-time applications, making it suitable for performance-critical tasks in various industries such as robotics and interactive installations.
  • Extensive Integration
    OpenCV can easily be integrated with other libraries and frameworks such as TensorFlow, PyTorch, and OpenCL, enhancing its capabilities in deep learning and GPU acceleration.
  • Rich Collection of examples
    OpenCV provides a large number of example codes and sample applications, which can significantly reduce the learning curve for beginners.

Possible disadvantages of OpenCV

  • Steep Learning Curve
    Due to the vast array of functionalities and the complexity of some of its advanced features, beginners may find it challenging to learn and use effectively.
  • Documentation Gaps
    While the documentation is extensive, it can sometimes be incomplete or outdated, requiring users to rely on community forums or external sources for solutions.
  • Resource Intensive
    Some functions and algorithms in OpenCV can be quite resource-intensive, requiring significant processing power and memory, which can be a limitation for low-end devices.
  • Limited High-Level Abstractions
    OpenCV provides a wealth of low-level functions, but it may lack higher-level abstractions and frameworks, necessitating more hands-on coding and algorithm development.
  • Dependency Management
    Setting up and managing dependencies can be cumbersome, especially when integrating OpenCV with other libraries or on certain operating systems.
  • Backward Compatibility Issues
    With frequent updates and new versions, backward compatibility can sometimes be problematic, potentially breaking existing code when updating.

BuiltWith features and specs

  • Comprehensive Technology Profiling
    BuiltWith provides detailed information about the technologies that websites are using, including analytics tools, content management systems, e-commerce platforms, and more. This can be incredibly useful for market research and competitive analysis.
  • Market Reports
    The platform offers in-depth market reports that can help businesses understand technology trends across different industries. This data can be crucial for strategic planning and technology adoption decisions.
  • Lead Generation
    BuiltWith can be used to generate leads by identifying websites that use specific technologies. This helps sales teams target potential clients who are already using a competitor's tool or a complementary technology.
  • Customizable Alerts
    Users can set up alerts to get notified whenever a website starts or stops using specific technologies. This feature helps businesses stay updated with market shifts and competitor movements in real-time.
  • Ease of Use
    The interface is relatively user-friendly, making it easy for users to search for websites and technologies without requiring any advanced technical skills.

Possible disadvantages of BuiltWith

  • Pricing
    BuiltWith can be quite expensive, particularly for small businesses and startups. The high cost may make it inaccessible for companies with limited budgets.
  • Data Accuracy
    While generally reliable, the data provided by BuiltWith may not always be 100% accurate or up-to-date. This can sometimes lead to incorrect assumptions or decisions based on outdated information.
  • Limited Free Features
    The free version of BuiltWith offers limited features and capabilities, which may not be sufficient for in-depth research or analysis. Users often need to upgrade to a premium plan to access the full range of functionalities.
  • Complex Data
    The detailed data and extensive lists of technologies can sometimes be overwhelming to sift through without specialized knowledge or a clear strategy, making it less useful for casual users.
  • Dependency on External Data
    BuiltWith relies on external data sources, which means that any limitations or issues with these sources can affect the quality and comprehensiveness of the information provided.

Analysis of OpenCV

Overall verdict

  • Yes, OpenCV is considered a good and reliable choice for computer vision tasks, particularly due to its extensive functionality, active community, and flexibility.

Why this product is good

  • OpenCV (Open Source Computer Vision Library) is widely regarded as a robust and versatile library for computer vision applications. It offers a comprehensive collection of functions and algorithms for image processing, video capture, machine learning, and more. Its open-source nature encourages community involvement, making it highly adaptable and continuously improving. OpenCV's cross-platform support and ease of integration with other libraries and languages further enhance its appeal.

Recommended for

  • Developers and researchers working on computer vision projects
  • People looking to implement real-time video analysis
  • Individuals exploring machine learning applications related to image and video processing
  • Anyone interested in experimenting with or learning computer vision concepts

Analysis of BuiltWith

Overall verdict

  • Yes, BuiltWith is considered a good resource for analyzing the technology behind websites due to its comprehensive data and ease of use. It is widely used by professionals to gain a competitive edge and to streamline technology-related decisions.

Why this product is good

  • BuiltWith is a valuable tool for web developers, marketers, and businesses as it provides insights into the technology stack of any website. It helps in understanding market trends, gaining competitive intelligence, and making informed decisions for technology adoption.

Recommended for

  • Web developers looking to understand how different sites are built and which technologies are used.
  • Digital marketers aiming to gather competitive insights and trend analysis.
  • Businesses wanting to assess potential technology partners and competitors.
  • Investors conducting due diligence on companies by understanding their technological dependencies.

OpenCV videos

AI Courses by OpenCV.org

More videos:

  • Review - Practical Python and OpenCV

BuiltWith videos

How to Find Competitors Customers | BuiltWith Review | Kas Andz

More videos:

  • Review - Google Page Speed Tool, Comic-Con Website Review, and BuiltWith Anniversary by Matt@mywebbro.com

Category Popularity

0-100% (relative to OpenCV and BuiltWith)
Data Science And Machine Learning
Market Research
0 0%
100% 100
Data Science Tools
100 100%
0% 0
Sales Automation
0 0%
100% 100

User comments

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Reviews

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

OpenCV Reviews

7 Best Computer Vision Development Libraries in 2024
From the widespread adoption of OpenCV with its extensive algorithmic support to TensorFlow's role in machine learning-driven applications, these libraries play a vital role in real-world applications such as object detection, facial recognition, and image segmentation.
10 Python Libraries for Computer Vision
OpenCV is the go-to library for computer vision tasks. It boasts a vast collection of algorithms and functions that facilitate tasks such as image and video processing, feature extraction, object detection, and more. Its simple interface, extensive documentation, and compatibility with various platforms make it a preferred choice for both beginners and experts in the field.
Source: clouddevs.com
Top 8 Alternatives to OpenCV for Computer Vision and Image Processing
OpenCV is an open-source computer vision and machine learning software library that was first released in 2000. It was initially developed by Intel, and now it is maintained by the OpenCV Foundation. OpenCV provides a set of tools and software development kits (SDKs) that help developers create computer vision applications. It is written in C++, but it supports several...
Source: www.uubyte.com
Top 8 Image-Processing Python Libraries Used in Machine Learning
These are some of the most basic operations that can be performed with the OpenCV on an image. Apart from this, OpenCV can perform operations such as Image Segmentation, Face Detection, Object Detection, 3-D reconstruction, feature extraction as well.
Source: neptune.ai
5 Ultimate Python Libraries for Image Processing
Pillow is an image processing library for Python derived from the PIL or the Python Imaging Library. Although it is not as powerful and fast as openCV it can be used for simple image manipulation works like cropping, resizing, rotating and greyscaling the image. Another benefit is that it can be used without NumPy and Matplotlib.

BuiltWith Reviews

  1. Eleanor Bennett
    ยท Digital Marketing Specialist at Logit.io ยท
    Great for finding potential contacts

    A great tool to help you discover the technology being used by a variety of websites. I was impressed that upon signing up that I had full access to a free list of leads.


15 Best BuiltWith Alternatives 2022
Sometimes, BuiltWith may not fit your specific business needs. If so, weโ€™ve compiled our list of best BuiltWith alternatives you may want to consider for your profiling.
8 Best SimilarWeb Alternatives (2019 UPDATE): Add These to Your Digital Tool Kit
BuiltWith is a truly comprehensive tool that will mine a ton of information from anyoneโ€™s site and serve it to you in a manner you will be able to crunch and use it. You might take your time since it is a lot of information to inform your decisions, which is a good thing.
Best Similarweb Alternatives in 2019 to Spy on your Competitors
See business insights of your own business as well as get to know what keywords your competitors are using. Analyze your rivalsโ€™ budget and strategies. The top-notch companies tied with BuiltWith are Google, Adobe, Facebook, Amazon,eBay, and Paypal.
Source: affnext.com
The Best Email Marketing, Sales Prospecting, and Email Automation Software
Builtwith is a tool that helps in identifying sites that use specific web technologies. It identifies the technology spend, gathers the location information and vertical, among other option to create lead lists that are solid for websites by taking into account the internet footprint and technology usage.
73 Best SEO tools 2021 โ€“ The Most Epic List You Shouldnโ€™t Miss
BuiltWith offers a database of 7,000+ web technologies and more than 250 million websites to build lists for lead generation.

Social recommendations and mentions

Based on our record, BuiltWith should be more popular than OpenCV. It has been mentiond 162 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.

OpenCV mentions (62)

  • Computer vision for code: What PVS-Studio saw in OpenCV
    OpenCV is the world's largest open-source computer vision library, supported by the non-profit organization, Open Source Computer Vision Foundation. It offers a wide range of algorithms that cover a variety of tasks, from basic image processing to advanced object recognition and motion analysis. - Source: dev.to / 7 months ago
  • What is the Most Effective AI Tool for App Development Today?
    Google's Gemini and other multimodal models also fit here, especially for mixed-input apps. James Allsopp, Founder of Ask Zyro, suggests, "For anything involving images or mixed inputs, tools like Claude 3 Opus (great for handling long context) or Google's Gemini can work well, depending on what you need for your user interface." These frameworks excel in scenarios requiring visual understanding, such as augmented... - Source: dev.to / 11 months ago
  • Grasping Computer Vision Fundamentals Using Python
    To aspiring innovators: Dive into open-source frameworks like OpenCV or PyTorch, experiment with custom object detection models, or contribute to projects tackling bias mitigation in training datasets. Computer vision isnโ€™t just a tool, itโ€™s a bridge between the physical and digital worlds, inviting collaborative solutions to global challenges. The next frontier? Systems that donโ€™t just interpret visuals, but... - Source: dev.to / about 1 year ago
  • Top Programming Languages for AI Development in 2025
    Ideal For: Computer vision, NLP, deep learning, and machine learning. - Source: dev.to / about 1 year ago
  • Why 2024 Was the Best Year for Visual AI (So Far)
    Almost everyone has heard of libraries like OpenCV, Pytorch, and Torchvision. But there have been incredible leaps and bounds in other libraries to help support new tasks that have helped push research even further. It would be impossible to thank each and every project and the thousands of contributors who have helped make the entire community better. MedSAM2 has been helping bring the awesomeness of SAM2 to the... - Source: dev.to / over 1 year ago
View more

BuiltWith mentions (162)

  • What Qualities Does It Take to Be the Best Software Developer
    Evan You, creator of Vue.js, is a prime example. Vivek Nair, Co-Founder of BotGauge, notes that You โ€œcreated something that addresses real developer needs with clean logic and thoughtful design.โ€ Vue.js powers over 1.5 million websites in 2025, a testament to its scalability and developer trust, as reported by BuiltWith. Youโ€™s ability to build a framework independently, without corporate backing, underscores his... - Source: dev.to / about 1 year ago
  • Web apps built with Ruby on Rails
    There exist websites like https://builtwith.com so answer to your question is yes. - Source: Hacker News / over 1 year ago
  • Ask HN: Tech Stack Behind the Claude App?
    BuiltWith says the web client is NextJS which is interesting as ChatGPT made a big switch away to Remix IIRC. https://builtwith.com/?https%3a%2f%2fclaude.ai%2fnew. - Source: Hacker News / almost 2 years ago
  • Disney's Robots Use Rockets to Stick the Landing
    Also, wow that is an obsene amount of libraries they use: https://builtwith.com/?https%3a%2f%2fspectrum.ieee.org%2fdisney-robot-2668135204. - Source: Hacker News / about 2 years ago
  • What website frameworks are used to build these websites?
    I would say run both sites through https://builtwith.com/ to get what all they used in the building process. Source: over 2 years ago
View more

What are some alternatives?

When comparing OpenCV and BuiltWith, you can also consider the following products

Pandas - Pandas is an open source library providing high-performance, easy-to-use data structures and data analysis tools for the Python.

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

Scikit-learn - scikit-learn (formerly scikits.learn) is an open source machine learning library for the Python programming language.

WhatRuns - Extension that helps you identify technologies used on any website at the click of a button.

NumPy - NumPy is the fundamental package for scientific computing with Python

Elucify - A completely free software tool that uses crowdsourced data to find business email addresses