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Chart library licenses in 2026
Which charts are free for a company product? Prices and terms of High●●●rts, Apex●●●rts, AG Ch●●ts and am●●arts, and the MIT and Apache options, as of 2026-10-22.
Chart library licenses fall into three groups: open source that is free even for commercial use (MIT, Apache-2.0), conditionally free licenses that turn paid past a threshold, and commercial licenses you pay for from the start. Everything below was checked on the official pricing pages and license texts as of 2026-10-22. Prices are in US dollars per developer, before tax, and can change.
At a glance
| Library | License | Free in a company product? | Paid tiers (per developer) | Latest version checked |
|---|---|---|---|---|
| 82chart | MIT | Yes | None | 0.4.1 (2026-10-22) |
| Chart.●s | MIT | Yes | None | 4.5.1 (2025-10-13) |
| Re●●arts | MIT | Yes | None | 3.10.1 (2026-07-25) |
| EC●●rts | Apache-2.0 | Yes | None | 6.1.0 (2026-05-19) |
| AG Ch●●ts | Community: MIT / Enterprise: commercial | Community only | Enterprise $499 (perpetual + 1 year of updates) | 14.2.0 (2026-09-16) |
| light●●●ght-charts | Apache-2.0 + attribution | Yes (with Trading●iew attribution) | None | 5.2.1 (2026-08-12) |
| am●●arts 5 | Free linkware / commercial | Yes, keeping the logo link | From $80 a year (Basic); one app or SaaS $280 a year | 5.21.3 (2026-10-21) |
| Apex●●●rts | Own license (not MIT) | Only under $2M revenue, budget or funding | $199 (paid Community), $349 (Pro), $599 (Premium) a year; OEM $14,999 per app a year | 8.4.1 (2026-10-21) |
| High●●●rts | Commercial | No | Core internal $185 a year, external/SaaS $366 a year | 13.1.1 (2026-09-20) |
| To●●t UI Chart | MIT (repository archived) | Yes, but unmaintained | None | 4.6.1 (2022-12-21) |
High●●●rts
Commercial use is paid, internal screens included. Prices are for Core (the basic charts); Stock, Maps and Gantt are bought on top.
| Product (per developer) | Internal, annual | Internal, perpetual | External, annual | External, perpetual |
|---|---|---|---|---|
| Core | 185 | 425 | 366 | 839 |
| Core + Stock | 370 | 850 | 732 | 1,678 |
| Core + Maps | 250 | 574 | 494 | 1,133 |
| Core + Gantt | 222 | 510 | 439 | 1,007 |
| Core + Stock + Maps + Gantt | 443 | 1,018 | 876 | 2,010 |
- Internal covers in-house use only; SaaS/External covers one public app. Up to five external apps is SaaS+ (Core $1,099 a year).
- Prices rose about 5% between January and February 2026: Wayback Machine snapshots show $176 / $349 on 2026-01-03 and $185 / $366 on 2026-02-10. We found no official announcement.
- An annual license must stop being used when it lapses. A perpetual license keeps working, but new releases need a valid Advantage plan.
- Non-commercial use (such as education) falls under separate terms; check the official license page.
Apex●●●rts
Since v5.0.0 (on npm 2025-07-09, announced 2025-06-26) it uses its own license, not MIT. v6 (2026-07-17), v7 (2026-08-25) and v8 (2026-10-09) followed; the latest is 8.4.1. Its official llms.txt says "No product is open source or unconditionally free". Many older articles still call it MIT.
| Tier | Price (annual, per developer) | Includes |
|---|---|---|
| Community | Free if the organization's revenue, operating budget and funding are each under $2M; otherwise $199 | 25+ core chart types |
| Pro | $349 | + ApexGrid, ApexTree, ApexSankey |
| Premium | $599 | + ApexGantt, ApexStock and Premium-only features such as Waffle, Raincloud and Trellis |
| OEM | $14,999 per app | Redistribution in products and platforms others use |
- The $2M test adds up parent and affiliated companies. The 2026-10-01 license edit widened it from revenue to "revenue, budget or funding".
- Embedding it in a product or platform others use (your SaaS customers' screens, delivered solutions) needs OEM whatever your size; only non-interactive static charts are exempt.
- When a license key expires, paid features show a trial watermark.
- Prices have not changed from 2025-08 to 2026-10.
AG Ch●●ts
- Community is free under MIT. Zoom, crosshairs and heatmaps are Enterprise features.
- Enterprise is $499 per developer (perpetual license plus a year of updates), or $1,498 bundled with AG Grid Enterprise. Prices did not change from 2025-01 to 2026-06. Deployment licenses and renewals are in the EULA, not on the pricing page.
am●●arts 5
Free under a "linkware" condition, commercial projects included, as long as the logo link stays; a commercial license removes it. Prices have not changed from 2025-01 to 2026-10.
| Tier (per developer) | Charts annual / perpetual | Maps, Stock or Gantt each, annual / perpetual | Support |
|---|---|---|---|
| Basic | 80 / 180 | 64 / 144 | None ($190 a year extra) |
| Single App or SaaS website | 280 / 650 | 224 / 520 | First year included, then $190 a year |
| OEM | 1,200 / 2,700 | 960 / 2,160 | First year included, then $790 a year |
light●●●ght-charts
The license text is Apache-2.0, but its README and NOTICE require a Trading●iew attribution and a link to tradingview.com on a page users can see; the attributionLogo option draws a logo link in the chart and satisfies it. It is the most used free choice for candlestick charts today.
To●●t UI Chart
MIT, but the GitHub repository was archived on 2026-09-02 and the last release is v4.6.1 (2022-12-21). The license is fine; the maintenance is over. See Moving from To●●t UI Chart.
82chart
MIT. No license key, no watermark, no revenue threshold and no paid tier; zoom, crosshair, annotations, export, Korean units and accessibility are all in the free core. Products you deliver or redistribute only need the LICENSE text. Features are compared on the comparison page.
Sources (checked 2026-10-22)
- High●●●rts shop, license, Wayback snapshots 2026-01-03 · 2026-02-10
- Apex●●●rts pricing, LICENSE.md, licensing announcement, llms.txt
- AG Ch●●ts pricing, AG Grid pricing
- am●●arts store, LICENSE
- light●●●ght-charts README and NOTICE
- To●●t UI Chart repository (archived)
- Versions and dates: the npm registry and each project's GitHub releases and LICENSE (Chart.●s, Re●●arts, EC●●rts)
Frequently asked questions
Is Apex●●●rts still free?
Conditionally. As of 2026-10-22 the Community tier is free while the organization's annual revenue, operating budget and funding (parent and affiliates included) are each under $2M; past that it is $199 per developer a year and up. Embedding it in a product others use needs OEM ($14,999 per app a year) at any size. It has not been MIT since v5.0 (July 2025).
Can I use High●●●rts for free?
Commercial use is paid, internal screens included: Core is $185 per developer a year for internal use and $366 for an external app (after the February 2026 increase), with Stock, Maps and Gantt on top. Exceptions such as non-commercial education are separate terms.
Which chart libraries are free for a company product?
82chart, Chart.●s, Re●●arts and AG Ch●●ts Community (MIT) and EC●●rts (Apache-2.0), without conditions. light●●●ght-charts is free with a Trading●iew attribution, am●●arts with its logo link. For Korean products that also want 만·억 units, zoom and export for free, 82chart.
How do MIT and Apache-2.0 differ?
Both allow commercial use, modification and redistribution. MIT is short: keep the copyright and permission notice. Apache-2.0 adds a patent grant, asks you to mark changed files and to ship the NOTICE file if there is one.
Can an open-source chart library become paid later?
A project can change the license of new versions (Apex●●●rts did at 5.0). Versions you already received under MIT generally stay usable under those terms, so pin versions and check the LICENSE file whenever you upgrade.