MaytinhcongnghiepSoftware licenses
This site uses the open-source libraries below. We only use libraries licensed under MIT, BSD or Apache-2.0 for anything that runs on the site; this rule is checked automatically and blocks the build if an unexpected library slips in.
Running on the site
| Astro | Site framework | MIT |
|---|---|---|
| @astrojs/cloudflare | Adapter for running on Cloudflare Workers | MIT |
| Wrangler | Cloudflare deployment tool | MIT + Apache-2.0 |
| Cloudflare Turnstile | Bot protection for forms | Cloudflare service |
| <model-viewer> | Viewing machine 3D models in the page | Apache-2.0 |
| Draco | 3D mesh decoding (self-hosted, no external CDN) | Apache-2.0 |
Internal tools
Used to prepare data on our own machines, not distributed with the site and never run in your browser.
| pymupdf4llm / PyMuPDF | Reading PDF datasheets | AGPL-3.0 |
|---|---|---|
| Pillow | Image processing | MIT-CMU |
| cascadio (OCCT) | Converting vendor STEP 3D drawings to a web format | LGPL-2.1 + Apache-2.0 |
| glTF-Transform | Compressing 3D models before upload | MIT |
Typefaces
The two typefaces below are self-hosted on this site — your browser never contacts an external font server. The SIL Open Font License 1.1 covers the font files, not the site source code.
| Be Vietnam Pro | Typeface for running text — designed for Vietnamese diacritics | SIL OFL 1.1 |
|---|---|---|
| JetBrains Mono | Typeface for technical figures | SIL OFL 1.1 |
Content and images
Technical specifications, product images and datasheets are copyrighted by their respective manufacturers (Cincoze, Advantech, AAEON, JHCTECH, CESIPC, Arbor, Siemens…). We present them in our role as a distributor and always link back to the manufacturer’s original documents.
Articles in the Knowledge section and answers in the Q&A section are written by IPC247 engineers.
The Vietnamese version prevails in case of discrepancy.