
SurveyJS comprises a collection of four open-source JavaScript libraries that provide the advantages of a customized, in-house survey application while significantly minimizing the time and resources required for deployment. These libraries function independently of specific server code or database needs, allowing for seamless integration with well-known JavaScript frameworks such as React, Angular, Vue.js, jQuery, Knockout, and others. They are built to interact with any server capable of processing JSON requests, thereby ensuring compatibility with a wide range of server setups and databases.
This product suite includes:
- An open-source library licensed under MIT that facilitates the rendering of dynamic JSON-based forms within your web application and captures user responses.
- A self-hosted form builder featuring drag-and-drop functionality, an integrated CSS theme editor, and a graphical user interface for setting conditional rules; it also generates JSON definitions of your forms in real time.
- A PDF Generator library that allows for the conversion of SurveyJS surveys and forms into PDF files directly in the browser.
- The Dashboard library, which enhances survey data analysis through interactive and customizable charts and tables.
We invite you to explore our website and experience our comprehensive demo at no cost. This opportunity will allow you to assess the full capabilities of SurveyJS firsthand.
Learn more

Apify offers a comprehensive platform for web scraping, browser automation, and data extraction at scale. The platform combines managed cloud infrastructure with a marketplace of over 10,000 ready-to-use automation tools called Actors, making it suitable for both developers building custom solutions and business users seeking turnkey data collection.
Actors are serverless cloud programs that handle the technical complexities of modern web scraping: proxy rotation, CAPTCHA solving, JavaScript rendering, and headless browser management. Users can deploy pre-built Actors for popular use cases like scraping Amazon product data, extracting Google Maps listings, collecting social media content, or monitoring competitor pricing. For specialized needs, developers can build custom Actors using JavaScript, Python, or Crawlee, Apify's open-source web crawling library.
The platform operates a developer marketplace where programmers publish and monetize their automation tools. Apify manages infrastructure, usage tracking, and monthly payouts, creating a revenue stream for thousands of active contributors.
Enterprise features include 99.95% uptime SLA, SOC2 Type II certification, and full GDPR and CCPA compliance. The platform integrates with workflow automation tools like Zapier, Make, and n8n, supports LangChain for AI applications, and provides an MCP server that allows AI assistants to dynamically discover and execute Actors.
Learn more
imageio
Imageio is a flexible Python library that streamlines the reading and writing of diverse image data types, including animated images, volumetric data, and formats used in scientific applications. It is engineered to be cross-platform and is compatible with Python versions 3.5 and above, making installation an easy process. Since it is entirely written in Python, users can anticipate a hassle-free setup experience. The library not only supports Python 3.5+ but is also compatible with Pypy, enhancing its accessibility. Utilizing Numpy and Pillow for its core functionalities, Imageio may require additional libraries or tools such as ffmpeg for specific image formats, and it offers guidance to help users obtain these necessary components. Troubleshooting can be a challenging aspect of using any library, and knowing where to search for potential issues is essential. This overview is designed to shed light on the operations of Imageio, empowering users to pinpoint possible trouble spots effectively. By gaining a deeper understanding of these features and functions, you can significantly improve your ability to resolve any challenges that may arise while working with the library. Ultimately, this knowledge will contribute to a more efficient and enjoyable experience with Imageio.
Learn more
yarl
Each part of a URL, which includes the scheme, user, password, host, port, path, query, and fragment, can be accessed via their designated properties. When a URL is manipulated, it creates a new URL object, and any strings passed into the constructor or modification functions are automatically encoded to achieve a standard format. Standard properties return values that are percent-decoded, while the raw_ variants are used when you need the encoded strings. For a version of the URL that is easier for humans to read, the .human_repr() method can be utilized. The yarl library offers binary wheels on PyPI for various operating systems, including Linux, Windows, and MacOS. If you need to install yarl on systems like Alpine Linux, which do not meet manylinux standards because they lack glibc, you will have to compile the library from the source using the provided tarball. This compilation requires that you have a C compiler and the appropriate Python headers installed on your system. It's crucial to note that the uncompiled, pure-Python version of yarl tends to be significantly slower than its compiled counterpart. However, users of PyPy will find that it generally uses a pure-Python implementation, meaning it does not suffer from these performance discrepancies. Consequently, PyPy users can rely on the library to deliver consistent behavior across different environments, ensuring a uniform experience no matter where it is run.
Learn more