amCharts vs Plotly

amCharts is a JavaScript library for creating charts, maps, stock charts, and Gantt visualizations. amCharts 5 Charts lists more than 60 chart types, Canvas rendering, and a TypeScript-first API, with integration guides for React, Angular, Vue, Svelte, Next.js, Nuxt, Remix, and vanilla JavaScript. Maps includes bundled GeoJSON maps, projections, heat rules, drill-down, and point clustering without requiring a tile server or API key. Stock Chart provides 34 technical indicators, 22 drawing tools, comparison mode, and automatic data grouping. Gantt supports drag-and-drop task editing, dependency links, progress tracking, and export to PNG, JPG, or PDF. Charts describes screen-reader support, keyboard navigation, ARIA attributes, high-contrast modes, and WCAG AA readiness. The library can be installed through NPM, loaded from CDN URLs, or downloaded as standalone JavaScript files for a server. It supports JSON, CSV, and external data URLs and can power embedded interactive dashboards. amCharts is based in Vilnius, Lithuania; amMap began in 2004, and the first chart followed in 2006. The free version offers full functionality and commercial use but displays a small amCharts backlink. Commercial licenses remove branding and are licensed independently for each product. The listed Basic annual license is $80 a year for one developer seat.

Plotly provides tools for interactive dashboards, data applications, and charts, spanning open-source libraries, hosted services, and self-hosted platforms. Its graphing libraries support Python and JavaScript and offer more than 70 chart types. Dashboards support scheduled refresh and embedding, with connections to Snowflake, Databricks, BigQuery, PostgreSQL, MySQL, SQL Server, MotherDuck, Oracle, CSV, and sources accessible through Python. Plotly Studio runs locally as a desktop app and can deploy to Plotly Cloud; Dash Enterprise can be self-hosted or run on premises. The Free plan includes one creator seat, one Dash or Plotly Studio app, three private viewers, and 10 trial credits, with no credit card required. It does not permit inviting other Creators or Viewers. Pro is $29 a month per Creator seat, with 30 monthly credits, 10 private viewers, and unlimited apps. Credit-powered features stop when credits run out, but published apps continue running. Subscriptions can be canceled without fees or penalties.