Best JavaScript Gantt Chart Libraries in 2025–2026

November 5th, 2025 by Jay Stevenson

A Gantt chart with task bars, milestones, dependencies, and connections on a laptop web screen, featuring a calendar and paper notesGantt charts are among the most effective ways to visualize tasks, timelines, and dependencies, making them a core component of modern project management practices. For developers building web applications, the right JavaScript Gantt chart library can dramatically save development time and deliver a professional, interactive experience directly in the browser.

The ecosystem in 2025–2026 includes a wide range of solutions — from free open-source libraries for simple timelines to enterprise-grade components with advanced scheduling engines and resource management features. Some prioritize speed and simplicity, while others focus on deep functionality and seamless integration into broader charting or UI stacks.

This article reviews the most notable JavaScript Gantt chart libraries available today. Each library is presented with its functionality, performance and scalability, integration options, licensing, and support. Whether you are building an internal tool, a SaaS application, or a full-scale enterprise system, this guide will help you quickly identify the Gantt solution that best fits your needs.

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SunnyByte Chooses AnyChart for Native American Cancer Data Visualization

February 16th, 2022 by AnyChart Team

SunnyByte Chooses AnyChart for Native American Cancer Data VisualizationOut-of-the-box error bars and the ability to create a cool error chart without hassle have always been a major attraction of AnyChart, among other great features prompting developers to choose our JavaScript charting library. If you want to look at some real-world examples of such visualizations in action, Shen DeShayne, a partner at SunnyByte has recently brought a new interesting use case for them to our attention. The American Indian & Alaska Native Cancer Data website, his web development agency built for the University of New Mexico, represents information in interactive error charts powered by AnyChart. Learn more about the project and how our JS library is used, from a quick interview. (Stack: Craft CMS/Vue.js.)

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