head to head · open source
echarts vs electricitymaps-contrib
echarts has 67,348 GitHub stars, 19,819 forks, 1,501 open issues and last shipped 2 days ago. electricitymaps-contrib has 4,034 stars, 1,058 forks, 125 open issues and last shipped yesterday. echarts leads on adoption by 1,570% (67,348 vs 4,034 stars). echarts is written in TypeScript under Apache-2.0; electricitymaps-contrib is written in Python under AGPL-3.0. echarts has attracted 29% as many forks as stars, electricitymaps-contrib 26%. electricitymaps-contrib was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (data-visualization), so they are genuine substitutes rather than adjacent tools.
Two open source projects, one decision. Both are free and self-hostable — the differences are community size, license terms, language stack and release pace.
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Side by side
| echarts | electricitymaps-contrib | |
|---|---|---|
| GitHub stars | ★ 67K | ★ 4.0K |
| License | Apache-2.0 | AGPL-3.0 |
| Written in | TypeScript | Python |
| Last push | 2026-09-16 | 2026-09-17 |
| Forks | ⑂ 20K | ⑂ 1.1K |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick echarts if
- You weight community size — 67K stars and counting
- You want the Apache-2.0 license terms
- Your stack matches TypeScript
- You value the larger contributor base for long-term maintenance
pick electricitymaps-contrib if
- You want the electricitymaps-contrib feature set and don't need the biggest community
- You prefer the AGPL-3.0 license terms
- Your stack matches Python
- You evaluated both and electricitymaps-contrib fits your workflow better
About echarts
Apache ECharts is a free, interactive charting and data visualization library that runs in the browser. It is written in pure JavaScript and built on top of zrender, a lightweight canvas library that handles rendering and interaction under the hood. The project lives in the JavaScript and TypeScript ecosystem, is distributed through npm as the echarts package, and is developed under the Apache Software Foundation with an Apache 2.0 license. Its source is written in TypeScript, and the repository has been maintained for more than a decade.
read the full echarts overview →
About electricitymaps-contrib
Electricity Maps A collection of parsers to collect and standardize electricity data such as production, exchanges and price from across the globe. app.electricitymaps.com » Introduction This project aims to provide a free, open source, and transparent way to collect electricity data. We fetch the raw data from public, free, and official sources. They include official government and transmission system operators' data. This data powers the Electricity Maps platform, which includes our flow tracing algorithm, estimation models, forecast engine and much more. View it online app.electricitymaps.com, or download the …
read the full electricitymaps-contrib overview →
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Frequently asked questions
Is echarts or electricitymaps-contrib more popular?
echarts has 67,348 GitHub stars and electricitymaps-contrib has 4,034. echarts has the larger community by that measure.
Are echarts and electricitymaps-contrib free?
Both are open source. echarts is licensed under Apache-2.0 and electricitymaps-contrib under AGPL-3.0. Neither carries a licence fee.
What is the difference between echarts and electricitymaps-contrib?
echarts is written in TypeScript and electricitymaps-contrib in Python. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, echarts or electricitymaps-contrib?
Choose echarts if you want the larger community (67,348 stars) or its Apache-2.0 licence terms. Choose electricitymaps-contrib if its feature set, stack or AGPL-3.0 licence fits better. Both are self-hostable.