The open-source projects, models, artwork and fonts ThinkersKlub is built with.
Artwork
Emoji graphics by OpenMoji — the open-source emoji and icon project. Licence: CC BY-SA 4.0. The icons in our games are used unchanged except for size.
| Project | Used for | Licence |
|---|---|---|
| OpenMoji | Icons and picture answers in the games | CC BY-SA 4.0 |
| Scratch sprite, sound and backdrop library | Library assets in the block editor | CC BY-SA 2.0 |
Coding and games
Scratch is a project of the Scratch Foundation, in collaboration with the Lifelong Kindergarten Group at the MIT Media Lab. ThinkersKlub is not affiliated with or endorsed by the Scratch Foundation; "Scratch" and the Scratch Cat are its trademarks.
| Project | Used for | Licence |
|---|---|---|
| Scratch GUI, VM and Blocks | The block coding editor | BSD 3-Clause / Apache 2.0 |
| Blockly | Block-based coding missions | Apache 2.0 |
| Phaser | The 2D game engine | MIT |
| Pyodide | Python in the browser | MPL 2.0 |
| PDF.js | Lesson slide viewer | Apache 2.0 |
AI models and engines
These run on the student's device or are used to produce our lesson audio.
| Project | Used for | Licence |
|---|---|---|
| MediaPipe | Face, hand, body and object detection | Apache 2.0 |
| Vosk and vosk-model-small-en-in | Offline speech recognition | Apache 2.0 |
| Tesseract.js | Reading text from images | Apache 2.0 |
| Kokoro-82M | Narration voices in videos and games | Apache 2.0 |
Platform software
| Project | Used for | Licence |
|---|---|---|
| React | User interface | MIT |
| TanStack Start, Router and Query | Application framework and data loading | MIT |
| Tailwind CSS | Styling | MIT |
| Radix UI | Accessible interface components | MIT |
| Lucide | Interface icons | ISC |
| Motion | Animation | MIT |
| Recharts | Charts | MIT |
| PostgreSQL | Database | PostgreSQL License |
| PostgREST | Database API | MIT |
Fonts
| Project | Used for | Licence |
|---|---|---|
| Fraunces | Website headings | SIL Open Font License 1.1 |
| Plus Jakarta Sans | Body text | SIL Open Font License 1.1 |
| Baloo 2 | Headings inside the platform | SIL Open Font License 1.1 |
| JetBrains Mono | Labels and code | SIL Open Font License 1.1 |
Thank you
ThinkersKlub stands on the work of thousands of open-source contributors. Full licence texts are included with the software we distribute. If you think we've missed a credit, please tell us and we'll fix it.