Razmova is built with the open-source software listed below. Each entry links to its source and to the full text of its license.

Libraries

component version license copyright
eventsource 1.4.1 MIT Copyright 2025 Mattt (https://mat.tt)
mlx-swift 0.31.4 MIT Copyright (c) 2023 ml-explore
mlx-swift-lm 3.31.4 MIT Copyright (c) 2024 ml-explore
swift-atomics 1.3.1 Apache-2.0 Copyright (c) 2020-2025 Apple Inc. and the Swift project authors
swift-collections 1.5.1 Apache-2.0 Copyright (c) 2019-2026 Apple Inc. and the Swift project authors
swift-crypto 4.5.1 Apache-2.0 Copyright 2019 The SwiftCrypto Project
swift-huggingface 0.9.0 Apache-2.0 Copyright 2025 Hugging Face SAS.
swift-jinja 2.3.6 Apache-2.0 Copyright 2022 Hugging Face SAS.
swift-nio 2.101.3 Apache-2.0 Copyright 2017, 2018 The SwiftNIO Project
swift-numerics 1.1.1 Apache-2.0 Copyright (c) 2017-2025 Apple Inc. and the Swift Numerics project authors
swift-transformers 1.3.3 Apache-2.0 Copyright 2022 Hugging Face SAS.
yyjson 0.12.0 MIT Copyright (c) 2020 YaoYuan <ibireme@gmail.com>

Included within those libraries

component license copyright included in
mlx MIT Copyright © 2023 Apple Inc. mlx-swift
mlx-c MIT Copyright (c) 2023 ml-explore mlx-swift
metal-cpp Apache-2.0 Copyright © 2024 Apple Inc. mlx-swift
fmt MIT Copyright (c) 2012 - present, Victor Zverovich and {fmt} contributors mlx-swift
json MIT Copyright (c) 2013-2022 Niels Lohmann mlx-swift

Language model

Razmova runs its conversations on-device using Llama-3.2-3B-Instruct-4bit, downloaded on first launch and used under the Llama 3.2 Community License.

Notices

The following notices accompany the libraries above and are reproduced in full.

swift-crypto

                            The SwiftCrypto Project
                            =======================

Please visit the SwiftCrypto web site for more information:

  * https://github.com/apple/swift-crypto

Copyright 2019 The SwiftCrypto Project

The SwiftCrypto Project licenses this file to you 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 at:

  https://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.

Also, please refer to each LICENSE.<component>.txt file, which is located in
the 'license' directory of the distribution file, for the license terms of the
components that this product depends on.

-------------------------------------------------------------------------------

This product contains test vectors from Google's wycheproof project.

  * LICENSE (Apache License 2.0):
    * https://github.com/C2SP/wycheproof/blob/31387e2cd596587c859c611027b6a44d2e2b65ff/LICENSE
  * HOMEPAGE:
    * https://github.com/google/wycheproof

---

This product contains a derivation of various files from SwiftNIO.

  * LICENSE (Apache License 2.0):
    * https://www.apache.org/licenses/LICENSE-2.0
  * HOMEPAGE:
    * https://github.com/apple/swift-nio

swift-nio


                            The SwiftNIO Project
                            ====================

Please visit the SwiftNIO web site for more information:

  * https://github.com/apple/swift-nio

Copyright 2017, 2018 The SwiftNIO Project

The SwiftNIO Project licenses this file to you 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 at:

  https://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.

Also, please refer to each LICENSE.<component>.txt file, which is located in
the 'license' directory of the distribution file, for the license terms of the
components that this product depends on.

-------------------------------------------------------------------------------

This product is heavily influenced by Netty.

  * LICENSE (Apache License 2.0):
    * https://github.com/netty/netty/blob/4.1/LICENSE.txt
  * HOMEPAGE:
    * https://netty.io

---

This product contains NodeJS's llhttp.

  * LICENSE (MIT):
    * https://github.com/nodejs/llhttp/blob/1e1c5b43326494e97cf8244ff57475eb72a1b62c/LICENSE-MIT
  * HOMEPAGE:
    * https://github.com/nodejs/llhttp

---

This product contains "cpp_magic.h" from Thomas Nixon & Jonathan Heathcote's uSHET

  * LICENSE (MIT):
    * https://github.com/18sg/uSHET/blob/c09e0acafd86720efe42dc15c63e0cc228244c32/lib/cpp_magic.h
  * HOMEPAGE:
    * https://github.com/18sg/uSHET

---

This product contains "sha1.c" and "sha1.h" from FreeBSD (Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project)

  * LICENSE (BSD-3):
    * https://opensource.org/licenses/BSD-3-Clause
  * HOMEPAGE:
    * https://github.com/freebsd/freebsd-src

---

This product contains a derivation of Fabian Fett's 'Base64.swift'.

  * LICENSE (Apache License 2.0):
    * https://github.com/swift-extras/swift-extras-base64/blob/b8af49699d59ad065b801715a5009619100245ca/LICENSE
  * HOMEPAGE:
    * https://github.com/fabianfett/swift-base64-kit

---

This product contains a derivation of "XCTest+AsyncAwait.swift" & "StructuredConcurrencyHelpers" from AsyncHTTPClient.

  * LICENSE (Apache License 2.0):
    * https://www.apache.org/licenses/LICENSE-2.0
  * HOMEPAGE:
    * https://github.com/swift-server/async-http-client

---

This product contains a derivation of "_TinyArray.swift" from SwiftCertificates.

  * LICENSE (Apache License 2.0):
    * https://www.apache.org/licenses/LICENSE-2.0
  * HOMEPAGE:
    * https://github.com/apple/swift-certificates

---

This product contains a derivation of the mocking infrastructure from Swift System.

  * LICENSE (Apache License 2.0):
    * https://www.apache.org/licenses/LICENSE-2.0
  * HOMEPAGE:
    * https://github.com/apple/swift-system

---

This product contains a derivation of "TokenBucket.swift" from Swift Package Manager.

  * LICENSE (Apache License 2.0):
    * https://www.apache.org/licenses/LICENSE-2.0
  * HOMEPAGE:
    * https://github.com/swiftlang/swift-package-manager