Open Source Acknowledgements

Last updated: April 2026

ClimbSpeed is built with open-source software and models. The components below are the major third-party dependencies used in the project. Inclusion in this list is not exhaustive — transitive dependencies inherit their own licenses, which can be inspected in the project's lockfiles.

AI Models

MiniMax-M2.5 (Language Model)

Released by MiniMax AI under the MiniMax Model License (a Modified-MIT license). ClimbSpeed runs the model on private infrastructure for educational FAA exam preparation.

Source & license · “MiniMax” is a trademark of MiniMax AI.

BAAI/bge-large-en-v1.5 (Embedding Model)

cross-encoder/ms-marco-MiniLM-L-6-v2 (Reranker)

Apache 2.0 licensed. Used to rerank candidate passages during retrieval.

Source Documents

The FAA publications indexed by ClimbSpeed (handbooks, FARs, ACs, AIM, etc.) are works of the United States Federal Government and are in the public domain under 17 U.S.C. § 105. ClimbSpeed is an independent study tool and is not affiliated with, endorsed by, or sponsored by the Federal Aviation Administration or any U.S. government agency.

Apache License 2.0

Full license text: apache.org/licenses/LICENSE-2.0

FastAPI — Sebastián Ramírez
OpenAI Python SDK — OpenAI
ChromaDB — Chroma
sentence-transformers — UKP Lab / Hugging Face
transformers — Hugging Face
rank_bm25 — Dorian Brown
streamdown — Vercel, Inc.
cross-encoder/ms-marco-MiniLM-L-6-v2 — Sentence-Transformers / UKP Lab

MIT License

Full license text: opensource.org/licenses/MIT

Next.js — Vercel, Inc.
React — Meta Platforms, Inc.
SWR — Vercel, Inc.
TailwindCSS — Tailwind Labs, Inc.
TypeScript — Microsoft Corporation
argon2-cffi — Hynek Schlawack
python-dotenv — Saurabh Kumar
PyYAML — Ingy döt Net / Kirill Simonov
Jinja2 — Pallets
rapidfuzz — Max Bachmann
tiktoken — OpenAI
docling — IBM Research
tqdm — Casper da Costa-Luis et al.
BAAI/bge-large-en-v1.5 — Beijing Academy of Artificial Intelligence

BSD License Variants

NumPy — NumPy Developers (BSD-3-Clause)
pypdf — Mathieu Fenniak et al. (BSD-3-Clause)
Uvicorn — Tom Christie / Encode (BSD-3-Clause)
Matplotlib — Matplotlib Development Team (PSF/BSD-style)

LGPL Components

psycopg — Daniele Varrazzo (LGPL-3.0 with linking exception). Used as a dynamically-loaded library; ClimbSpeed does not modify or statically link the library.

Trademarks

“ClimbSpeed” and the ClimbSpeed logo are trademarks of the ClimbSpeed project. “MiniMax”, “Hugging Face”, “Vercel”, “Next.js”, “React”, “Apache”, “PostgreSQL”, and other product names referenced on this page are trademarks of their respective owners. ClimbSpeed claims no ownership of these marks.

Reporting

If you believe ClimbSpeed is using a third-party component without proper attribution, or if you are the rights holder of a component listed here and would like the attribution updated, please contact [email protected].

This page is maintained alongside the project's NOTICES.md file in the source repository.