The Best Cascii Alternatives in 2026

Cascii Core builds ASCII and Unicode diagrams in a browser using vanilla JavaScript, without server or library dependencies.

Tree generates ASCII diagrams of folder structures as a browser utility written in TypeScript and React.

Diagramify turns a written diagram description into a diagram, with a simple prompt-and-generate workflow shown on its page.

Mermaid ASCII renders Mermaid-style diagrams as ASCII output, with examples for sequence charts and labeled arrows.

Svgbob converts text-based ASCII diagrams into SVG graphics, with both a library and command-line interface.

Chart.js is an open-source JavaScript library for drawing charts on websites.

Leaflet supports interactive maps in JavaScript and can be used from R applications.

Chart Builder creates charts from CSV or TSV data, including pie, bar, line, area, scatter, and donut charts.

Charts Builder creates and customizes charts through the Google Charts API, with output code available to copy.

Plan website architecture with Octopus.do, a visual sitemap builder that includes low-fidelity wireframes.

text2diagram creates diagrams and charts from text descriptions, with real-time collaboration and document permissions listed on its page.

The Data Visualisation Catalogue explains chart types and techniques, with a searchable library organized by visualization function.

Google News Labs’ Data GIF Maker creates animated GIFs from data, according to the page description.

Use AnyChart, a JavaScript charting library, with its chart types and API documentation.

For custom data visualizations in JavaScript, D3.js provides tools for scales, axes, transitions, and DOM updates.

More than 50 chart types and modules are available in ZingChart, a JavaScript library for data visualization projects.

amCharts provides JavaScript charting components, maps, stock charts, and Gantt charts.

Interactive charts for multidimensional datasets can be built with dc.js, a JavaScript library that supports Crossfilter.

Highcharts provides JavaScript charting for dashboards, maps, stock data, grids, and web applications.

highcharter wraps the Highcharts JavaScript library for plotting R objects.

This Datawrapper repository contains shared JavaScript utility functions for client-side data visualization, released under the MIT license.

Plotly provides an open-source Python library for creating interactive charts and data visualizations.

Google Data Studio connects to data sources and turns them into interactive dashboards and reports for business decisions.

Line Graph Maker builds customizable line charts from labels and data values, with image export available from the page.