Open-source alternatives to ResearchKit

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.

Evernote Cloud SDK for iOS

Stripe iOS SDK

ObjectiveFlickr, a Flickr API framework for Objective-C

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

iOS SDK for the Box Content API

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

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

The unofficial Instagram iOS SDK

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

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 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

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

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

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

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

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

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

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

Hellocharts-android is a data visualization library and charting framework for Android applications. It provides a collection of custom view components used to render datasets as visual elements, such as line, column, and pie charts. The library supports interactive visualizations that allow users to navigate data through touch gestures, including pinching, scrolling, and panning. It also includes built-in capabilities for animating data points and chart elements to create smooth visual transitions during dataset updates. The framework covers a broad range of visualization needs, including c

Epoch is a CSS-stylable charting engine and visualization library designed for real-time and statistical data. It functions as a timeseries charting tool that renders historical and live data using a hybrid of SVG and HTML5 Canvas graphics to maintain performance during frequent updates. The library distinguishes itself through a unified CSS querying system that applies styles to both vector and raster plot elements. This allows for visual theme resolution via CSS classes and the ability to customize the appearance of specific data series using stylesheets. The toolset covers a broad range o

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

JimuReport is an open-source reporting and dashboard engine designed to be embedded directly into Spring Boot applications. Its core identity centers on generating data reports and full-screen dashboards from natural language descriptions, eliminating the need for manual design. The platform also provides a conversational query interface that translates plain-language questions into database queries, returning results as tables and charts without requiring SQL knowledge. What distinguishes JimuReport is its integration of AI skills that can be installed with a single command, enabling report

Evilcharts is a data visualization library and animated charting framework designed to render interactive data graphics. It functions as a responsive data graphics engine that transforms raw data sets into visual formats such as bars, lines, and pies. The project focuses on interactive data visualization by incorporating motion triggers and visual transitions. It provides tools for custom chart styling to align visual effects and colors with specific brand guidelines and design requirements. The engine manages responsive data dashboards through automatic layout scaling to maintain consistenc

Davinci is a business intelligence and data visualization platform used for building interactive dashboards and reports. It functions as a SQL-based dashboard builder and multi-tenant analytics service that connects to databases via JDBC and CSV files to transform raw data into visual components. The platform is distinguished by its granular security model, which includes row-level and column-level permissions integrated with LDAP and OAuth2 authentication. It also provides an embedded visualization tool that allows secure, parameterized charts and dashboards to be inserted into external appl