Open-source alternatives to ResearchKit

Ant Design Charts is a data visualization framework and declarative component library designed for React applications. It provides a collection of reusable components that map complex datasets to graphical representations, enabling the creation of interactive charts, plots, and maps within web interfaces. The library utilizes a grammar-based mapping system to transform raw data into visual properties, supported by a layered graphic abstraction that separates data representation from interactive elements. It employs a canvas-based rendering engine to maintain performance when handling large da

Victory is a React data visualization library and composable visualization toolkit used to build interactive charts and graphs. It functions as an SVG charting framework that renders scalable data visualizations designed to maintain consistency across different web browsers and operating systems. The project provides a collection of reusable UI primitives that combine to form complex interactive data layouts. This component-based approach allows for the construction of sophisticated graphs by composing modular visualization elements within React applications.

react-vis is a declarative, component-based React data visualization library. It provides a framework of reusable building blocks for rendering interactive charts and graphs by mapping raw data to visual attributes such as position, color, and size. The system leverages D3 for its scaling and layout logic. The library is distinguished by its ability to handle complex data relationships, including hierarchical data via tree maps and circle packing, as well as multidimensional analysis using parallel axes and radar charts. It also supports network flow mapping to illustrate the volume and direc

Unopinionated and flexible library for easily integrating Tumblr data into your iOS or OS X application.

iOS SDK for the Box Content API

Evernote Cloud SDK for iOS

A stable, mature and comprehensive Objective-C library for Twitter REST API 1.1

Stripe iOS SDK

The unofficial Instagram iOS SDK

ObjectiveFlickr, a Flickr API framework for Objective-C

CareKit is an open source software framework for creating apps that help people better understand and manage their health.

This software is a mobile app analytics toolkit, a social graph API client, and a social sharing library for iOS. Its primary purpose is to enable the tracking of application events and ad conversions, the retrieval of user profiles and social connections from the Facebook Graph API, and the publication of content to social feeds and messaging services. The toolkit provides specialized capabilities for social login integration and identity management, including the handling of access tokens and session refreshing. It features a dedicated system for deep link navigation to route users to speci

This project is a JSON-based form rendering framework and visual creator designed for dynamic data collection. It provides a JavaScript form builder library that transforms JSON schemas into functional web forms and multi-step wizards, with a dedicated visual survey creator for designing layouts and branching logic without writing code. The library is distinguished by its bidirectional PDF integration, which allows the conversion of JSON schemas into fillable PDF documents and the extraction of structured data from existing PDFs. It also features advanced capabilities for creating scored asse

ECharts is a JavaScript data visualization library and web charting framework used to render interactive 2D and 3D data plots within a web browser. It functions as a visualization engine that transforms raw data into customizable charts and graphs. The project includes a WebGL-based hardware acceleration engine specifically for producing three-dimensional plots and globe visualizations. This allows the library to handle large and complex datasets through GPU-accelerated rendering. The framework supports both canvas-based raster rendering and SVG-based vector rendering. It provides capabiliti

go-echarts is a Go library and wrapper for Apache ECharts used to create interactive data visualizations. It functions as a generator that produces the configurations and HTML files necessary to render complex datasets as visual charts and graphs in a web browser. The library includes specialized tools for geographic data visualization, allowing spatial information and distributed datasets to be mapped using coordinates and regional boundaries. The project supports exporting visualizations as standalone HTML files for static use or serving them through an HTTP server for web-based dashboardi

Apache ECharts is a JavaScript data visualization library used for rendering interactive charts and complex data visualizations in web browsers. It functions as a canvas-based charting engine and a statistical data visualization suite that transforms datasets into visual representations. The framework provides specialized capabilities for three-dimensional data visualization, including the generation of 3D plots and globe visualizations. It also serves as a web-based geographic mapping tool for overlaying heatmaps, routes, and data distributions onto interactive maps. The library covers a br

pyecharts is a Python visualization library and wrapper for the Echarts JavaScript engine. It translates Python data and configurations into JSON specifications to generate interactive web-based charts and graphs. The library provides specialized capabilities for geographic data mapping using a comprehensive library of map assets to visualize spatial information. It also includes utilities to capture rasterized snapshots of rendered web visualizations for export as static image files. The tool supports rendering interactive plots directly within data science notebook environments and exporti

bqplot is an interactive data visualization library for IPython and Jupyter notebooks that utilizes a grammar of graphics. It functions as a tool for creating 2D charts and maps with real-time updates and bidirectional communication between the kernel and frontend. The library is distinguished by its ability to act as a geographic data visualization tool, rendering choropleth maps and spatial data via GeoJSON and custom projections. It also serves as a financial charting tool for producing OHLC and candle bar charts, and as an interactive dashboard framework for combining plotting widgets wit

dc.js is a multi-dimensional analysis tool and visualization framework used to build interactive data dashboards. It functions as a charting library that renders diverse SVG visualizations powered by D3 and integrates natively with Crossfilter to enable coordinated filtering across large datasets. The project is distinguished by its linked-view coordination, where selecting a data range or category in one chart simultaneously updates all other connected views. This allows for dynamic data exploration through dimensional chart linking and coordinated brushing, transforming raw datasets into na

vue-echarts is a declarative charting wrapper and Vue.js component for the Apache ECharts library. It functions as a data visualization library that maps configurations and data updates to a rendering engine, enabling the embedding of interactive graphs and charts as reusable web components. The project provides a system for managing visual consistency through theme configuration and context-based injection. It allows for deep customization of the visualization interface, including the use of scoped slots to render custom HTML markup within tooltips and the construction of complex graphic ele

go-echarts is a data visualization library and wrapper for Go that generates JSON configurations for the ECharts JavaScript library. It functions as an HTML chart generator, allowing developers to create interactive charts and browser-based reports within Go applications. The library provides a collection of configurable chart types and predefined geographical map templates for rendering spatial information. It supports the creation of web dashboards by translating Go data structures into the JSON formats required for interactive browser rendering. The project handles the conversion of Go st

billboard.js is a JavaScript charting library built on D3.js that renders interactive data visualizations from a single declarative configuration object. It supports a wide range of chart types including bar, line, pie, scatter, area, spline, step, candlestick, funnel, gauge, heatmap, radar, polar, treemap, bubble, donut, and sparkline charts, and can overlay multiple chart types within a single visualization. The library offers an opt-in Canvas rendering mode for improved performance with large datasets and high-density axis displays, alongside its standard SVG-based rendering. The library d

Plotly.js is a JavaScript charting library and interactive graphing framework used to create web-based visualizations. It functions as a high-performance data visualization engine that utilizes both SVG for static elements and WebGL for hardware-accelerated rendering of large datasets and complex 3D plots. The library is distinguished by specialized toolkits for financial analysis, such as candlestick and OHLC charts, and geographic mapping tools for rendering choropleth and scatter maps with custom projections. It also supports complex scientific visualizations, including Sankey diagrams, pa

CoreUI Free Bootstrap Admin Template is a pre-built, responsive admin dashboard template built on Bootstrap 5 for constructing back-office interfaces. It provides a library of UI components with native wrappers for React, Vue, and Angular applications, alongside a Sass-based theming system for managing brand colors, dark mode, and design tokens via variables and CSS custom properties. The template includes a set of advanced form controls such as autocomplete, date pickers, and multi-step wizards with built-in validation, and supports switching the entire interface between built-in dark and li

Highcharts is a JavaScript charting library and interactive data visualization framework used to render complex datasets as visual charts and maps. It functions as a customizable SVG charting engine that produces scalable vector graphics for data series. The library allows for the creation of interactive data visualizations with configurable colors, labels, and themes. It also provides a cross-platform visualization wrapper to embed these web-based charts into native iOS and Android mobile applications. The toolkit supports the development of custom dashboards and provides options to build c

This is a chart library for rendering interactive data visualizations within WeChat Mini Programs using the Apache ECharts engine. It provides a set of visual components that use 2D canvas interfaces to render line, bar, pie, and scatter plots. The library utilizes a 2D canvas interface to increase drawing speed and resolve visual layering issues. It implements an interactive charting component that supports touch-based data interaction, allowing users to see detailed contextual information through formatted tooltips when tapping or hovering over data points. The project covers mobile data v