Nexus — Enterprise Intelligence Framework
Copyright 2026 Veloxs AI Inc.

This product includes software developed by Veloxs AI Inc. and the Nexus
project contributors.

Licensed under the Apache License, Version 2.0 (the "License"); you may
not use this file except in compliance with the License. You may obtain a
copy of the License in the LICENSE file in the project root, or 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. See the
License for the specific language governing permissions and limitations
under the License.

===============================================================================
TRADEMARKS
===============================================================================

"Nexus", "Nexora", "Contexion", "Veloxs", "Veloxs AI", and the associated
logos, wordmarks, product names, and branding are trademarks of Veloxs AI
Inc.

As set out in Section 6 of the Apache License, Version 2.0, this License
does NOT grant permission to use these trade names, trademarks, service
marks, or product names, except as required for reasonable and customary
use in describing the origin of the Work and reproducing the content of
this NOTICE file.

In particular:

  * You may state truthfully that your software is built on, uses, or is
    compatible with Nexus.
  * You may NOT use the Nexus or Veloxs AI names, logos, or branding in a
    way that suggests your product, fork, or distribution is endorsed by,
    affiliated with, or an official release of Veloxs AI Inc.
  * Forks and derivative distributions must be distributed under a name
    that is not confusingly similar to "Nexus" or "Veloxs".

No rights in Veloxs AI Inc. trademarks, logos, branding, or other
intellectual property are transferred to contributors or users beyond the
rights expressly granted by the Apache License, Version 2.0.

===============================================================================
COMMERCIAL PRODUCTS
===============================================================================

Nexus is the open-source Enterprise Intelligence Framework.

Nexora and Contexion are separate, proprietary commercial products of
Veloxs AI Inc. They are NOT covered by this License and no part of their
source code is included in this distribution. Nothing in this License
grants any right to Nexora, Contexion, or any other Veloxs AI Inc.
proprietary software or service.

===============================================================================
THIRD-PARTY DEPENDENCIES
===============================================================================

This product depends on the third-party libraries listed below. Each
dependency retains its own license; see the dependency's own distribution
for the full text of its terms. No third-party source code is vendored
into this repository.

Runtime dependencies
--------------------

  pydantic              MIT
                        https://github.com/pydantic/pydantic

  cryptography          Apache-2.0 OR BSD-3-Clause (dual-licensed)
                        https://github.com/pyca/cryptography

  fastapi               MIT
                        https://github.com/fastapi/fastapi

  uvicorn               BSD-3-Clause
                        https://github.com/encode/uvicorn

Optional dependencies
---------------------

  pyyaml                MIT                            extra: [yaml]
                        https://github.com/yaml/pyyaml

  pgvector-python       PostgreSQL License (BSD-like)  extra: [postgres]
                        https://github.com/pgvector/pgvector-python

  SQLAlchemy            MIT                            extra: [postgres]
                        https://github.com/sqlalchemy/sqlalchemy

  psycopg2-binary       LGPL-3.0-or-later, with the      extra: [postgres]
                        psycopg OpenSSL exception
                        https://github.com/psycopg/psycopg2

                        NOTE: psycopg2 is LGPL-licensed. It is an OPTIONAL
                        dependency, is not distributed with Nexus, and is
                        dynamically linked at runtime, so it does not
                        affect the license of Nexus itself. Redistributors
                        who vendor or bundle dependencies should review the
                        LGPL terms. Users who prefer to avoid LGPL entirely
                        may substitute `psycopg[binary]` (Apache-2.0).

Development dependencies (not distributed)
------------------------------------------

  pytest                MIT
                        https://github.com/pytest-dev/pytest

  ruff                  MIT
                        https://github.com/astral-sh/ruff
