Nebulosa Workspace Credits and licensesOpen the Workspace
Updated on October 29, 2026

Credits and licenses

The Nebulosa Workspace exists thanks to many open-source projects. Here they are, with their licenses. The original copyright notices are kept in the files themselves.

1Nebulosa Workspace

Authors and creators: Márcio Willians Barreto de Andrade and Raul Goulart de Andrade. Production team: Lamp Lighter Production Team.

All the programs — Typee, Flyde, Stardust, EmCanto, LêPraMim, Paz no Bolso, #pratododia, Imaginarium, Fluxo — have the same authors and creators and the same production team, and use the components listed below.

The code of the Nebulosa Workspace and its programs is distributed under the MIT license (LICENSE file at the root of the project). Part of it — including the English and Spanish translations — was produced with the help of artificial intelligence, under human direction. The logo and the program icons belong to the Nebulosa Workspace.

2Libraries

ComponentUseLicense
PDF.js (Mozilla)Typee, LêPraMim, EmCanto, #pratododia — opening PDFsApache 2.0
SheetJS Community EditionStardust, PazNoBolso — Excel and LibreOffice spreadsheetsApache 2.0
JSZipStardust — XLSX filesMIT (or GPLv3, at your choice)
pdf-libStardust — exporting PDFMIT
Tesseract.js and tesseract.js-coreLêPraMim — text recognition (OCR)Apache 2.0
Tesseract language data (tessdata)LêPraMim — OCR in PortugueseApache 2.0
lamejsLêPraMim — MP3 audiobooks; Fluxo — exporting audio as MP3 (downloaded the first time)LGPL 3.0
Mammoth.jsLêPraMim, Typee — opening .docx filesBSD 2-clause
docxTypee — saving as WordMIT
marked and TurndownTypee — MarkdownMIT
PptxGenJSFlyde — exporting PowerPointMIT
Piper (piper-wasm) and ONNX Runtime WebLêPraMim — neural voiceMIT
UTIF.jsEmCanto — TIFF imagesMIT
core-jsTypee, #pratododia — compatibilityMIT
React and React DOMFluxo — interfaceMIT
Lucide (react-icons)Fluxo — iconsISC
esbuild and TypeScriptFluxo — build (not shipped on the site)MIT and Apache 2.0

3Voices

Brazilian Portuguese neural voices from the Piper project (Cadu, Faber, Jeff and Edresson), from the rhasspy/piper-voices repository (MIT license), trained on datasets released into the public domain (CC0), such as NabuCasa's. Downloaded from Hugging Face only when you choose to use the voice.

4Fonts

Fonts from Google Fonts, almost all under the SIL Open Font License 1.1 (some, such as Roboto Mono, under Apache 2.0): Figtree, Jura, Inter, Instrument Sans, Unbounded, Montserrat, Poppins, DM Sans, DM Serif Display, Literata, Bebas Neue, Anton, Oswald, Archivo Black, Kanit, Teko, Russo One, Playfair Display, Cinzel, Pacifico, Lobster, Caveat, Dancing Script, Permanent Marker, Bangers, Orbitron, Audiowide, Press Start 2P, Righteous, Monoton, Rubik Mono One, Black Ops One, Bungee, Space Grotesk, Syne, Roboto Mono and others. Emojis use your own system's emoji fonts.

5Media formats

H.264, H.265, VP9 and AV1 videos are encoded with the browser's own features (WebCodecs). Fluxo's muxers (MP4, MOV, MKV, WebM, AVI) and ProRes encoder were written for the project. ProRes is a trademark of Apple Inc.; Fluxo is not licensed or endorsed by Apple. MP3 patents have expired.

6Services

Hosting: GitHub Pages. Visit counter: Abacus (abacus.jasoncameron.dev). Component distribution: jsDelivr, cdnjs, Hugging Face. We thank all these projects.

7Found something missing?

If you are the author of a component and want to correct a credit, write to nebulosaworkspace@gmail.com.