QCOS™ End User License Agreement (EULA)
Version 1.0 | Effective Date: December 2025
CONTRATO DE LICENÇA DE UTILIZADOR FINAL
English version below | Versão em Inglês abaixo
ENGLISH VERSION
1. ACCEPTANCE OF TERMS
This End User License Agreement ("EULA" or "Agreement") is a legal agreement between you ("End User", "You", or "Your") and SoftQuantus innovative OÜ ("SoftQuantus", "We", "Us", or "Our") governing your use of the QCOS™ software and services (collectively, the "Service").
BY CLICKING "I ACCEPT", CREATING AN ACCOUNT, OR USING THE SERVICE, YOU AGREE TO BE BOUND BY THIS AGREEMENT.
If you are entering into this Agreement on behalf of a company or other legal entity, you represent that you have the authority to bind such entity to this Agreement.
2. DESCRIPTION OF SERVICE
QCOS™ (Quantum Circuit Optimization Service) is a cloud-based platform that provides:
| Component | Description |
|---|---|
| QCOS™ API | Cloud-based REST API for quantum circuit optimization |
| QCOS™ SDK | Python Software Development Kit for integration |
| QCOS™ CLI | Command-line interface for circuit submission |
| QCOS™ Worker | HPC-deployed optimization engine (LUMI supercomputer) |
The Service uses advanced quantum circuit compilation and optimization techniques, including AI-powered transpilation and noise-aware optimization for real quantum hardware.
3. LICENSE GRANT
3.1 Scope of License
Subject to the terms of this Agreement and Your subscription plan, SoftQuantus grants You a limited, non-exclusive, non-transferable, revocable license to:
- Access the QCOS™ API via authenticated endpoints
- Integrate the SDK into Your applications
- Submit quantum circuits for optimization
- Retrieve optimized circuits and results
- Use the CLI for local circuit management
3.2 Subscription Plans
| Plan | Circuits/Month | Features |
|---|---|---|
| Free | 100 | Basic optimization, Community support |
| Professional | 10,000 | + Priority queue, Email support |
| Enterprise | Unlimited | + Dedicated resources, SLA, Custom backends |
See https://portal.softquantus.com/pricing for current pricing.
4. RESTRICTIONS
You agree NOT to:
- Reverse Engineer: Decompile, disassemble, or attempt to derive source code from any compiled component
- Circumvent: Bypass or disable security features or license validation mechanisms
- Redistribute: Share, sell, or sublicense the Service or API credentials to third parties
- Compete: Use the Service to develop a competing quantum optimization solution
- Abuse: Attempt to overload the Service or exploit vulnerabilities
- Exceed Limits: Submit more circuits than permitted by Your subscription
- Misrepresent: Claim ownership of QCOS™ or misuse SoftQuantus trademarks
5. INTELLECTUAL PROPERTY
5.1 Ownership
SoftQuantus retains all right, title, and interest in the Service, including:
- Source code and compiled binaries
- Optimization algorithms and AI models
- Trademarks: QCOS™, QuantumLock™, SoftQuantus™
- Documentation and marketing materials
- Quantum compilation techniques
5.2 Your Content
You retain ownership of:
- Your quantum circuit designs and algorithms
- Application source code using our SDK
- Results and optimized circuits generated for You
- Custom configurations and preferences