SurveyJS
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
DXcharts
In just a matter of days, you can seamlessly incorporate and personalize a high-speed financial table into your product. You have the flexibility to modify existing features or design an entirely new interface from scratch. Interested in more options? We provide a comprehensive access alternative that includes data feeds for futures, indices, equities, FX, and cryptocurrencies by default. Don't hesitate—sign up today to receive your data feeds. DXcharts is designed to integrate effortlessly with any market data source, making it data feed-agnostic. It supports native libraries across all platforms, including web, mobile, and desktop applications. Secure a solution that is specifically customized to meet the needs of your product. By analyzing trading statistics, you can assess securities and forecast their future price movements. Additionally, you can develop custom studies using the user-friendly dxScript, allowing you to arrange chart layouts to your preference while syncing them by instrument, chart type, timeframe, range, studies, and visual style. With such versatility, your financial analysis will be more efficient and tailored than ever before.
Learn more
ggplot2
ggplot2 serves as a powerful framework for crafting graphics in a declarative style, based on concepts from The Grammar of Graphics. Users are encouraged to provide their datasets while defining how to link variables to visual aesthetics and determining which graphical components to use, with ggplot2 handling the complex underlying processes. Having established a solid presence for over a decade, ggplot2 is favored by countless users, leading to the generation of millions of visualizations. This widespread adoption generally ensures that ggplot2 maintains a stable framework over time. When revisions are made, they typically focus on adding new functionalities or parameters, rather than changing the existing ones; alterations to current behaviors are only executed when absolutely essential. For newcomers eager to learn ggplot2, it is highly recommended to pursue a structured introduction rather than relying solely on fragmented documentation, as this will lead to a deeper and more cohesive understanding of the tool. Utilizing tutorials and beginner-friendly resources not only enhances the learning process but also equips users with practical skills to effectively leverage ggplot2 in their projects. By immersing oneself in guided learning, one can build a solid foundation for mastering data visualization techniques.
Learn more
CVXOPT
CVXOPT is a freely available software library tailored for convex optimization, built on the Python programming language's robust features. It allows users to engage with the library via the Python interpreter, run scripts directly from the command line, or integrate it as extension modules within other applications. The main purpose of CVXOPT is to streamline the creation of convex optimization software by capitalizing on Python’s extensive standard library and its strengths as a high-level programming language. The library offers efficient Python classes for handling both dense and sparse matrices, accommodating real and complex numbers, as well as functionalities like indexing, slicing, and operator overloading for matrix arithmetic. Furthermore, CVXOPT provides connections to a variety of solvers, including the linear programming solver in GLPK, the semidefinite programming solver in DSDP5, and solvers for linear, quadratic, and second-order cone programming available in MOSEK, which makes it a flexible resource for optimization professionals. This diverse array of capabilities significantly broadens its applicability to a multitude of optimization challenges. By enabling seamless integration with existing Python tools and libraries, CVXOPT empowers users to tackle complex optimization tasks with greater ease and efficiency.
Learn more