Dual license under MIT OR Apache-2.0 and add legal compliance docs
- Switch crate license to "MIT OR Apache-2.0" in Cargo.toml - Add LICENSE-APACHE and rename LICENSE to LICENSE-MIT - Add LICENSE-APACHE and LICENSE-MIT to sdk/dart for pub.dev compliance - Update sdk/dart/pubspec.yaml with "license: MIT OR Apache-2.0" - Add legal-and-trademarks SKILL.md covering license, copyright, dependency and model license requirements, and trademark guidelines - Update README badges and add explicit model license compliance section
keypair34 committed
Apr 6, 2026 at 23:36 UTC
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.agents/skills/legal-and-trademarks/SKILL.md
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+---
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+name: legal-and-trademarks
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+description: Legal compliance, license management, trademark guidelines, and distribution requirements for the Onde Inference project and its SDKs.
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+---
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+
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+# Legal & Trademarks — Onde Inference
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+
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+> Reference for AI agents and human contributors on all legal, licensing, trademark, and distribution compliance topics for the `onde` crate, `onde-swift`, and all downstream SDKs.
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+
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+---
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+
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+## License
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+
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+Onde is dual-licensed under **MIT** and **Apache 2.0**, at the user's option. This mirrors the licensing model used by the Rust language itself.
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+
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+```
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+SPDX-License-Identifier: MIT OR Apache-2.0
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+```
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+
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+### Why dual license?
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+
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+| Concern | MIT alone | MIT OR Apache-2.0 |
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+|---|---|---|
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+| Patent grant | ❌ None | ✅ Apache 2.0 includes irrevocable patent grant |
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+| Enterprise adoption | ⚠️ Legal teams may ask questions | ✅ Widely understood and accepted |
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+| Rust ecosystem compatibility | ✅ | ✅ |
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+| Contributor protection | ❌ | ✅ Patent termination clause deters trolling |
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+| Simplicity | ✅ | ✅ User just picks one |
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+
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+### License files
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+
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+| File | Contents |
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+|---|---|
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+| `LICENSE-MIT` | MIT License, copyright Onde Inference (Splitfire AB) |
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+| `LICENSE-APACHE` | Apache License 2.0 |
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+
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+Never use a single `LICENSE` file for dual-licensed projects. Always maintain both files separately.
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+
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+### Cargo.toml declaration
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+
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+```toml
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+license = "MIT OR Apache-2.0"
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+```
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+
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+Use `OR` (uppercase, SPDX standard), not `AND` or `/`. `AND` would mean the user must comply with **both** simultaneously — that is a different and more restrictive claim.
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+
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+---
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+
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+## Copyright
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+
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+The canonical copyright notice for all Onde Inference files is:
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+
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+```
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+Copyright (c) 2026 Onde Inference (Splitfire AB)
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+```
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+
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+- **Onde Inference** — the product/brand name
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+- **Splitfire AB** — the Swedish legal entity (org. nr. on file)
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+- Use the year of first publication; do not update the year annually in LICENSE files
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+
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+This notice must appear in:
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+- `LICENSE-MIT`
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+- `LICENSE-APACHE` (NOTICE file section)
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+- Any generated SDK packages distributed to registries (crates.io, pub.dev, npm, PyPI)
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+
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+---
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+
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+## Dependency Licenses
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+
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+### Direct dependencies — audit table
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+
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+| Crate | License | Notes |
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+|---|---|---|
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+| `mistral.rs` (Eric Buehler) | MIT | Must preserve `Copyright (c) 2024 Eric Buehler` |
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+| `uniffi` | MPL-2.0 | File-level copyleft; compatible with MIT/Apache 2.0 for binary distribution |
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+| `tokio` | MIT | — |
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+| `serde` | MIT OR Apache-2.0 | — |
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+| `anyhow` / `thiserror` | MIT OR Apache-2.0 | — |
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+| `hf-hub` | Apache-2.0 | — |
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+| `log` | MIT OR Apache-2.0 | — |
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+
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+### MPL-2.0 (`uniffi`) — what it means in practice
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+
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+Mozilla Public License 2.0 is **file-level copyleft**:
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+- You may distribute binaries combining MPL code with MIT/Apache code without restriction.
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+- If you **modify** MPL-licensed source files, you must make those modifications available.
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+- As a consumer of `uniffi` (not modifying its internals), **no disclosure obligation applies**.
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+
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+### GPL — hard blocker
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+
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+Never introduce a GPL-licensed dependency (v2-only in particular). GPL v2 is **incompatible** with Apache 2.0 and would contaminate the entire binary.
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+
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+Before adding any new dependency, verify its license with:
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+
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+```bash
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+cargo license --all-features
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+```
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+
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+Acceptable licenses for new dependencies: MIT, Apache-2.0, MIT OR Apache-2.0, ISC, BSD-2-Clause, BSD-3-Clause, MPL-2.0, Unicode-3.0, Zlib.
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+
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+---
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+
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+## Model Licenses
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+
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+**This is the most critical compliance area for downstream users.**
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+
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+Onde downloads AI models from HuggingFace at runtime. These models carry their own licenses, entirely separate from Onde's MIT OR Apache-2.0 license. Any application that ships with or downloads these models must comply with the model's license.
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+
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+### Current model license table
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+
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+| Model | HuggingFace Repo | License | Commercial use |
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+|---|---|---|---|
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+| Qwen 2.5 1.5B Instruct | `Qwen/Qwen2.5-1.5B-Instruct` | [Qwen Community License](https://huggingface.co/Qwen/Qwen2.5-1.5B-Instruct/blob/main/LICENSE) | ✅ Allowed with conditions |
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+| Qwen 2.5 3B Instruct | `Qwen/Qwen2.5-3B-Instruct` | Qwen Community License | ✅ Allowed with conditions |
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+| Qwen 2.5 Coder 1.5B | `Qwen/Qwen2.5-Coder-1.5B-Instruct` | Qwen Community License | ✅ Allowed with conditions |
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+| Qwen 2.5 Coder 3B | `Qwen/Qwen2.5-Coder-3B-Instruct` | Qwen Community License | ✅ Allowed with conditions |
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+| Qwen 2.5 Coder 7B | `Qwen/Qwen2.5-Coder-7B-Instruct` | Qwen Community License | ✅ Allowed with conditions |
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+
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+### Key Qwen Community License restrictions
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+
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+1. **No training competing models** — you may not use outputs or weights to train a model that competes with Qwen/Alibaba offerings.
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+2. **Attribution required** — downstream products must acknowledge the use of Qwen models.
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+3. **No misrepresentation** — you may not claim the model is your own original work.
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+4. **Threshold clause** — organisations with >100 million monthly active users must obtain a separate commercial licence from Alibaba Cloud.
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+
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+### Disclosure obligation
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+
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+Onde's README and any SDK README must contain a `## Model Licenses` section that:
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+- Lists every bundled or downloadable model
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+- Links to the model's license on HuggingFace
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+- States that the model license is independent of Onde's own license
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+
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+When a new model is added to `src/inference/models.rs`, the model license table in the README **must be updated in the same commit**.
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+
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+---
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+
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+## Trademark Guidelines
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+
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+### Onde Inference brand
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+
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+**"Onde Inference"** and the Onde logo (`assets/onde-inference-logo.svg`) are trademarks of Splitfire AB.
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+
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+MIT and Apache 2.0 grant code rights only — **neither license grants trademark rights**. This is intentional and protective.
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+
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+#### Permitted uses
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+
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+- Referring to the project by name: *"built with Onde Inference"*, *"powered by Onde"*
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+- Linking to the official website or repository
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+- Stating compatibility: *"compatible with Onde Inference 0.x"*
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+- Press, editorial, and factual references
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+
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+#### Prohibited uses
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+
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+- Using "Onde Inference" or the logo as the name of a fork, competing product, or derived SDK
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+- Implying official endorsement or affiliation without written permission from Splitfire AB
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+- Using the logo in a way that could cause confusion about the origin of a product
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+
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+#### Forks
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+
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+A fork of `onde` may use the code freely under MIT OR Apache-2.0 but **must not**:
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+- Use the "Onde Inference" name as its product name
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+- Use the Onde logo
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+- Claim to be the official Onde Inference project
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+
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+This is standard open-source brand protection and is consistent with how the Apache Software Foundation, Mozilla, and Rust Foundation handle their trademarks.
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+
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+---
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+
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+## mistral.rs Fork — Attribution Requirements
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+
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+Onde depends on a personal fork of `mistral.rs` by Eric Buehler:
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+
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+```toml
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+mistralrs = { git = "https://github.com/setoelkahfi/mistral.rs",
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+ branch = "fix/all-platform-fixes", ... }
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+```
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+
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+### Obligations
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+
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+1. **Preserve the upstream LICENSE** — `mistral.rs/LICENSE` must remain intact and contain `Copyright (c) 2024 Eric Buehler`. Never alter it.
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+2. **Pin to a commit SHA, not a branch** — branches can be force-pushed or deleted. For any production release, the dependency must be pinned:
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+ ```toml
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+ mistralrs = { git = "https://github.com/setoelkahfi/mistral.rs", rev = "<commit-sha>" }
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+ ```
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+3. **Upstream-first policy** — fixes that are not Onde-specific should be submitted as PRs to `EricLBuehler/mistral.rs`. Maintaining a long-lived divergent fork creates legal ambiguity about authorship of patches.
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+4. **NOTICE file** — if Onde ever produces an Apache 2.0 binary distribution (e.g., via PyPI), a `NOTICE` file must include: *"This product includes software developed by Eric Buehler (mistral.rs)."*
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+
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+---
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+
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+## Distribution Registry Compliance
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+
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+### crates.io
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+
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+- `license = "MIT OR Apache-2.0"` in `Cargo.toml` ✅
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+- Both `LICENSE-MIT` and `LICENSE-APACHE` must be present in the repo root
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+- `readme = "README.md"` must point to a file that contains the `## Model Licenses` section
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+
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+### pub.dev (Flutter/Dart)
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+
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+- `pubspec.yaml` must declare `license: MIT OR Apache-2.0`
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+- The `## Model Licenses` section must be present in the published README
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+- pub.dev displays the license on the package page — verify after each publish
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+
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+### Swift Package Manager / onde-swift
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+
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+- `onde-swift/README.md` license section must state MIT OR Apache-2.0
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+- The XCFramework binary is a compiled artifact — it carries Onde's license, mistral.rs attribution, and the model license notice
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+- The GitHub Release notes for every onde-swift release must include a `## Licenses` section
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+
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+### Apple App Store
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+
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+- Apple's review guidelines do not restrict MIT/Apache 2.0 licensed code
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+- The Qwen model license does not conflict with App Store distribution
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+- Ensure the app's **Privacy Policy** states that inference runs entirely on-device and no user data is transmitted (this is a functional claim Onde enables, not a license issue, but legal teams will ask)
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+
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+---
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+
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+## Checklist — Adding a New Model
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+
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+When adding a new model to `src/inference/models.rs`:
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+
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+- [ ] Verify the model's license on HuggingFace before adding
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+- [ ] Check for the >100M MAU commercial threshold clause
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+- [ ] Add the model to the `## Model Licenses` table in `onde/README.md`
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+- [ ] Add the model to the `## Model Licenses` table in `onde-swift/README.md`
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+- [ ] Add the model to the model license table in this SKILL.md
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+- [ ] If the model license is more restrictive than Qwen Community License, escalate before shipping
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+
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+## Checklist — Adding a New Dependency
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+
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+- [ ] Run `cargo license --all-features` and confirm no GPL appears
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+- [ ] If MPL-2.0: confirm you are not modifying the MPL files
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+- [ ] If Apache-2.0 only (not MIT): compatible, no action needed
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+- [ ] If custom/proprietary license: stop and escalate to Splitfire AB legal
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+
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+## Checklist — New SDK Release
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+
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+- [ ] Both `LICENSE-MIT` and `LICENSE-APACHE` are present
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+- [ ] `Cargo.toml` / `pubspec.yaml` / `package.json` declare `MIT OR Apache-2.0`
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+- [ ] README contains `## Model Licenses` section
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+- [ ] Copyright year and entity (`Onde Inference (Splitfire AB)`) is correct
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+- [ ] mistral.rs fork dependency is pinned to a commit SHA
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+- [ ] mistral.rs `LICENSE` (Eric Buehler) is intact and unmodified
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+
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+---
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+
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+## Quick Reference
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+
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+| Question | Answer |
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+|---|---|
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+| What license is Onde? | MIT OR Apache-2.0 (user's choice) |
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+| Who holds the copyright? | Onde Inference (Splitfire AB) |
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+| Can someone fork Onde and sell it? | Yes, under MIT or Apache 2.0, but they cannot use the "Onde Inference" name or logo |
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+| Are Qwen models MIT? | No — Qwen Community License. Disclose to users. |
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+| Can enterprises use Onde commercially? | Yes. Apache 2.0 + Qwen Community License both permit commercial use. |
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+| Does the patent grant apply? | Yes, under Apache 2.0. Choose Apache 2.0 if patent protection matters to you. |
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+| Who is Eric Buehler? | Author of mistral.rs. His MIT copyright must be preserved in our fork. |
\ No newline at end of file
Cargo.toml
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version = "0.1.1"
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edition = "2021"
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description = "On-device inference engine for Apple silicon."
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-license = "MIT"
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+license = "MIT OR Apache-2.0"
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repository = "https://github.com/ondeinference/onde"
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homepage = "https://ondeinference.com"
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documentation = "https://docs.rs/onde"
LICENSE-APACHE
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LICENSE-MIT
renamed
README.md
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@@ -10,6 +10,8 @@
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<p align="center">
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<a href="https://crates.io/crates/onde"><img src="https://img.shields.io/crates/v/onde?style=flat-square&color=235843&labelColor=17211D&label=crates.io" alt="crates.io"></a>
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+ <a href="https://github.com/ondeinference/onde-swift"><img src="https://img.shields.io/badge/Swift%20Package%20Index-onde--swift-235843?style=flat-square&labelColor=17211D" alt="Swift SDK"></a>
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+ <a href="https://pub.dev/packages/onde_inference"><img src="https://img.shields.io/pub/v/onde_inference?style=flat-square&color=235843&labelColor=17211D&label=pub.dev" alt="pub.dev"></a>
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<a href="https://ondeinference.com"><img src="https://img.shields.io/badge/ondeinference.com-235843?style=flat-square&labelColor=17211D" alt="Website"></a>
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<a href="https://apps.apple.com/se/developer/splitfire-ab/id1831430993"><img src="https://img.shields.io/badge/App%20Store-live-235843?style=flat-square&labelColor=17211D" alt="App Store"></a>
17
</p>
@@ -32,6 +34,32 @@ Onde powers live App Store apps with fully on-device chat — no server, no late
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35
---
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+## License
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+
39
+Onde is dual-licensed under **MIT** and **Apache 2.0**. You may use it under either license at your option.
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+
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+- [MIT License](LICENSE-MIT)
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+- [Apache License 2.0](LICENSE-APACHE)
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+
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+### Dependency attribution
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+
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+| Dependency | License | Author |
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+|---|---|---|
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+| [mistral.rs](https://github.com/EricLBuehler/mistral.rs) | MIT | Eric Buehler |
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+| [UniFFI](https://github.com/mozilla/uniffi-rs) | MPL-2.0 | Mozilla |
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+| [tokio](https://github.com/tokio-rs/tokio) | MIT | Tokio contributors |
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+
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+### Model licenses
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+
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+Models downloaded by Onde have their own licenses independent of this crate. By using Onde, you are also subject to the license of the model you load:
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+
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+| Model | License |
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+|---|---|
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+| Qwen 2.5 1.5B / 3B Instruct | [Qwen Community License](https://huggingface.co/Qwen/Qwen2.5-1.5B-Instruct/blob/main/LICENSE) |
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+| Qwen 2.5 Coder 1.5B / 3B / 7B | [Qwen Community License](https://huggingface.co/Qwen/Qwen2.5-Coder-1.5B-Instruct/blob/main/LICENSE) |
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+
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+---
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+
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<p align="center">
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<sub>© 2026 <a href="https://ondeinference.com">Onde Inference</a></sub>
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</p>
sdk/dart/LICENSE-APACHE
new
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sdk/dart/LICENSE-MIT
renamed
sdk/dart/README.md
+2
@@ -9,6 +9,8 @@
9
</p>
10
11
<p align="center">
12
+ <a href="https://crates.io/crates/onde"><img src="https://img.shields.io/crates/v/onde?style=flat-square&color=235843&labelColor=17211D&label=crates.io" alt="crates.io"></a>
13
+ <a href="https://github.com/ondeinference/onde-swift"><img src="https://img.shields.io/badge/Swift%20Package%20Index-onde--swift-235843?style=flat-square&labelColor=17211D" alt="Swift SDK"></a>
14
<a href="https://pub.dev/packages/onde_inference"><img src="https://img.shields.io/pub/v/onde_inference?style=flat-square&color=235843&labelColor=17211D&label=pub.dev" alt="pub.dev"></a>
15
<a href="https://ondeinference.com"><img src="https://img.shields.io/badge/ondeinference.com-235843?style=flat-square&labelColor=17211D" alt="Website"></a>
16
<a href="https://apps.apple.com/se/developer/splitfire-ab/id1831430993"><img src="https://img.shields.io/badge/App%20Store-live-235843?style=flat-square&labelColor=17211D" alt="App Store"></a>
sdk/dart/pubspec.yaml
+1
@@ -7,6 +7,7 @@ version: 0.1.1
7
repository: https://github.com/ondeinference/onde
8
homepage: https://ondeinference.com
9
issue_tracker: https://github.com/ondeinference/onde/issues
10
+license: MIT OR Apache-2.0
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12
environment:
13
sdk: ">=3.3.0 <4.0.0"