KLineChart vs TechanJS
A data-driven comparison of two JavaScript financial charting libraries: popularity, development activity, licensing and installation. Updated .
KLineChartLightweight, highly customizable candlestick (k-line) chart with zero dependencies and mobile support.
TechanJSStock and financial charts.
Key differences
- KLineChart has 1.7× as many GitHub stars as TechanJS (4.2K vs 2.4K).
- KLineChart had more development activity over the last 12 months: 267 commits vs 0.
- KLineChart is downloaded 701× as often on npm (51.9K vs 74 per week).
- KLineChart is licensed under Apache-2.0; TechanJS under MIT.
- KLineChart is written primarily in TypeScript, TechanJS in JavaScript.
- TechanJS is the older project: its repository was created in 2014, KLineChart's in 2019.
- TechanJS has had no commits since Oct 10, 2016.
By the numbers
- KLineChart
- TechanJS
Show data as a table
| Metric | KLineChart | TechanJS |
|---|---|---|
| GitHub stars | 4,211 | 2,436 |
| npm downloads / week | 51,877 | 74 |
| Commits, last 12 months | 267 | 0 |
| Contributors | 39 | 7 |
| Forks | 1,006 | 522 |
Development activity
Commits per month to each default branch, last 12 complete months.
- KLineChart
- TechanJS
Show data as a table
| Month | KLineChart | TechanJS |
|---|---|---|
| Oct 2025 | 2 | 0 |
| Nov 2025 | 29 | 0 |
| Dec 2025 | 0 | 0 |
| Jan 2026 | 1 | 0 |
| Feb 2026 | 0 | 0 |
| Mar 2026 | 23 | 0 |
| Apr 2026 | 3 | 0 |
| May 2026 | 39 | 0 |
| Jun 2026 | 20 | 0 |
| Jul 2026 | 65 | 0 |
| Aug 2026 | 42 | 0 |
| Sep 2026 | 43 | 0 |
Side by side
| Attribute | KLineChart | TechanJS |
|---|---|---|
| Description | Lightweight, highly customizable candlestick (k-line) chart with zero dependencies and mobile support. | Stock and financial charts. |
| Category | JavaScript financial charting libraries | JavaScript financial charting libraries |
| License | Apache-2.0 | MIT |
| Language | TypeScript | JavaScript |
| Status | Active | Inactive |
| Latest release | v10.0.3 () | 0.8.0 () |
| Last commit | ||
| Repository created | ||
| Open issues | 30 | 96 |
| Install | npm install klinecharts | 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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KLineChart
Lightweight, highly customizable candlestick (k-line) chart with zero dependencies and mobile support.
-
TechanJS
Stock and financial charts.