blitcp (formerly fast-copy)
Copyright 2026 George Kapellakis
https://blitcp.dev

This product is licensed under the Apache License, Version 2.0 (see the
LICENSE file). You may obtain a copy of the License at

    http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

If you redistribute fast-copy, in whole or in part, in source or binary
form (including inside a larger or closed-source product), you must retain
this NOTICE file and a copy of the Apache 2.0 LICENSE, keep all copyright
and attribution notices intact in the source files, and state any
significant changes you made. You may add your own copyright for your
modifications, but you may not remove the above attribution.

The deduplication features --index-existing and --dedup-existing were
contributed by York-Simon Johannsen (https://github.com/YoSiJo) in pull
request #3.

The embedded passphrase wordlist is the EFF Large Wordlist for Passphrases
(https://www.eff.org/dice), (c) Electronic Frontier Foundation, licensed
under Creative Commons Attribution 3.0 US
(https://creativecommons.org/licenses/by/3.0/us/). It is embedded in
compressed form in blitcp.py and used unmodified.

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The prebuilt binaries bundle the following third-party components, each
distributed under its own license:

  * PySide6 (Qt for Python) — LGPL v3 / GPL
  * paramiko — LGPL v2.1
  * xxhash (python-xxhash) — BSD 2-Clause
  * boto3 / botocore / s3transfer — Apache License 2.0
  * azure-storage-blob, azure-core — MIT License
  * google-cloud-storage and related google-* packages — Apache License 2.0

These components are the property of their respective copyright holders and
are used in accordance with their licenses.
