React Financial Charts vs TechanJS
A data-driven comparison of two JavaScript financial charting libraries: popularity, development activity, licensing and installation. Updated .
React Financial ChartsReact components for financial charts: candlesticks, technical indicators, overlays and drawing tools.
TechanJSStock and financial charts.
Key differences
- TechanJS has 1.7× as many GitHub stars as React Financial Charts (2.4K vs 1.4K).
- React Financial Charts is downloaded 33× as often on npm (2.4K vs 74 per week).
- Both are released under the MIT license.
- React Financial Charts is written primarily in TypeScript, TechanJS in JavaScript.
- TechanJS is the older project: its repository was created in 2014, React Financial Charts's in 2019.
- React Financial Charts has had no commits since May 13, 2023.
- TechanJS has had no commits since Oct 10, 2016.
By the numbers
- React Financial Charts
- TechanJS
Show data as a table
| Metric | React Financial Charts | TechanJS |
|---|---|---|
| GitHub stars | 1,418 | 2,436 |
| npm downloads / week | 2,432 | 74 |
| Commits, last 12 months | 0 | 0 |
| Contributors | 14 | 7 |
| Forks | 259 | 522 |
Development activity
Commits per month to each default branch, last 12 complete months.
- React Financial Charts
- TechanJS
Show data as a table
| Month | React Financial Charts | TechanJS |
|---|---|---|
| Oct 2025 | 0 | 0 |
| Nov 2025 | 0 | 0 |
| Dec 2025 | 0 | 0 |
| Jan 2026 | 0 | 0 |
| Feb 2026 | 0 | 0 |
| Mar 2026 | 0 | 0 |
| Apr 2026 | 0 | 0 |
| May 2026 | 0 | 0 |
| Jun 2026 | 0 | 0 |
| Jul 2026 | 0 | 0 |
| Aug 2026 | 0 | 0 |
| Sep 2026 | 0 | 0 |
Side by side
| Attribute | React Financial Charts | TechanJS |
|---|---|---|
| Description | React components for financial charts: candlesticks, technical indicators, overlays and drawing tools. | Stock and financial charts. |
| Category | JavaScript financial charting libraries | JavaScript financial charting libraries |
| License | MIT | MIT |
| Language | TypeScript | JavaScript |
| Status | Inactive | Inactive |
| Latest release | v2.0.1 () | 0.8.0 () |
| Last commit | ||
| Repository created | ||
| Open issues | 51 | 96 |
| Install | npm install react-financial-charts | npm install techan |
Which should you choose?
Popularity and activity are only part of the story. Consider which ecosystem you work in, the chart types and interactions you need, how much data you render, and whether the license fits your project. Both tool pages list alternatives if neither is quite right.
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React Financial Charts
React components for financial charts: candlesticks, technical indicators, overlays and drawing tools.
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TechanJS
Stock and financial charts.