Quantum computing is gradually shifting from academic research to real-world software development. As open source frameworks make quantum technologies more accessible, businesses are beginning to explore applications in optimization, financial modeling, cybersecurity, life sciences, and other data-intensive fields. While commercial adoption is still in its early stages, many organizations are already investing in proof-of-concepts and long-term quantum strategies.
Finding the right development partner can make that journey much smoother. Some companies specialize in quantum algorithms and research, while others combine strong software engineering expertise with experience in open source quantum ecosystems, cloud platforms, and enterprise integration. This list features 13 companies worth considering if you’re looking for support with open source quantum application development in 2026.
1. Itexus
At Itexus, we develop software for complex technology projects where architecture, integrations, and long-term maintainability matter. Although our core experience comes from enterprise software engineering, AI, cloud infrastructure, and data-intensive applications, we also have the technical background to support open source quantum app development. We work with modern programming languages, cloud platforms, and modular architectures that can serve as a foundation for quantum software, hybrid computing, and research-driven applications.
When working on quantum-related projects, we focus on building reliable software around quantum algorithms rather than the hardware itself. This includes application architecture, API development, cloud integration, data processing, testing, and deployment. We can integrate open source quantum frameworks into larger enterprise systems, helping organizations experiment with quantum computing while keeping their existing infrastructure scalable and maintainable.
Key Highlights:
- Enterprise software engineering for complex technology projects
- Experience with AI, machine learning, and cloud-native applications
- Support for modular and scalable software architecture
- Development of hybrid applications that combine classical and quantum computing
- Integration of open source quantum frameworks into enterprise environments
- Experience with DevOps, CI/CD, and cloud deployment
- Focus on software quality, testing, and long-term maintainability
Services:
- Open source quantum application development
- Quantum software architecture and consulting
- Hybrid quantum-classical application development
- API and backend development
- Cloud infrastructure and DevOps
- AI and machine learning integration
- Software modernization
- Quality assurance and automated testing
- Enterprise system integration
Contact Information:
- Website: itexus.com
- Email: [email protected]
- Facebook: www.facebook.com/itexus
- Twitter: x.com/ItexusSoft
- LinkedIn: www.linkedin.com/company/itexus
- Instagram: www.instagram.com/itexus.soft
- Address: Żurawia 6/12/lok 766, 00-503 Warszawa, Poland
2. Adsum Software
Adsum Software develops custom web and mobile applications using modern development frameworks, cloud technologies, and scalable backend solutions. While its primary focus is broader software engineering, the company has the technical foundation needed to support open source quantum app development through application architecture, API development, and cloud-based environments. Experience with Python and modern development practices makes it possible to build software that works alongside open source quantum frameworks such as Qiskit or Cirq.
For organizations exploring quantum computing, software surrounding the quantum algorithms is just as important as the algorithms themselves. Adsum Software contributes by building user interfaces, backend services, testing pipelines, and deployment workflows that connect quantum components with existing business applications. This approach supports hybrid solutions where classical and quantum computing work together.
Key Highlights
- Experience with web and mobile application development
- Python expertise applicable to quantum software ecosystems
- Backend and API development
- Cross-platform application development
- Cloud-based deployment and DevOps practices
- Software testing and quality assurance
- Custom software architecture for emerging technologies
Services
- Open source quantum application development
- Hybrid quantum-classical software development
- Custom software development
- Web application development
- Mobile application development
- Backend and API engineering
- DevOps and cloud deployment
- QA and software testing
Contact Information:
- Website: www.adsumsoftware.com
- Email: [email protected]
- Facebook: www.facebook.com/adsumsoftware
- Twitter: x.com/AdsumSoftware
- LinkedIn: www.linkedin.com/company/adsum-software
- Instagram: www.instagram.com/adsumsoftware
- Address: 10232 Douglas Oaks circle, Apt 301, Tampa FL 33610 USA
- Phone: +1-209-697-2221
3. Enozom
Enozom approaches software development through dedicated engineering teams that build scalable web and mobile platforms. Alongside its experience in AI, cloud technologies, and enterprise software, the company has explored quantum application development and the practical use of open source quantum platforms. Its published work covers quantum concepts, development frameworks, cloud-based quantum environments, and industry use cases, showing an interest in how quantum software fits into modern application development.
Building quantum applications usually requires more than writing quantum circuits. Enozom supports the surrounding software layer by developing backend systems, cloud integrations, user interfaces, and hybrid workflows that connect classical infrastructure with quantum computing resources. This makes it possible to experiment with open source quantum technologies while keeping applications practical and maintainable.
Key Highlights
- Knowledge of open source quantum development frameworks
- Experience with AI-driven software solutions
- Agile software development process
- Dedicated engineering teams
- Enterprise web and mobile development
- Cloud-native application development
- Software testing and quality assurance
Services
- Open source quantum application development
- Hybrid quantum software engineering
- AI solution development
- Web development
- Mobile application development
- Software outsourcing
- Software testing
- Cloud application development
Contact Information:
- Website: enozom.com
- Email: [email protected]
- Facebook: www.facebook.com/Enozom
- Twitter: x.com/enozom
- LinkedIn: www.linkedin.com/company/enozom-software
- Instagram: www.instagram.com/enozom
- Address: 336 El Giesh Road, Royal Plaza, Building D, Mezzanine floor, Gleem 21500, Alexandria, Egypt
- Phone: +2035868872
4. Innowise
Innowise develops software across AI, cloud computing, cybersecurity, and enterprise systems while also exploring quantum computing as part of future-ready application development. The company discusses practical quantum use cases in areas such as finance, healthcare, logistics, cybersecurity, and machine learning, with an emphasis on applications that combine classical infrastructure with quantum processing. Its technical expertise makes it suitable for projects built around open source quantum ecosystems.
Many quantum solutions still depend on cloud services and hybrid architectures, and this is where Innowise brings relevant experience. Its engineering teams design application layers, integrations, APIs, and cloud environments that allow quantum algorithms to become part of complete business systems. Support for platforms such as IBM Quantum, Microsoft Azure Quantum, and Amazon Braket also aligns well with open source quantum development workflows.
Key Highlights
- Experience with quantum computing use cases
- Hybrid quantum-classical application development
- AI, cloud, and cybersecurity expertise
- Enterprise software engineering
- Cloud-based application architecture
- DevOps and quality assurance
- Cross-industry software development
Services
- Open source quantum application development
- Quantum software consulting
- Hybrid application development
- Cloud application development
- AI and machine learning solutions
- Custom software development
- DevOps and cloud engineering
- Software testing and maintenance
Contact Information:
- Website: innowise.com
- Email: [email protected]
- Twitter: x.com/innowisegroup
- LinkedIn: www.linkedin.com/company/innowise-group
- Address: USA, 7901 4th St N STE 300, St. Petersburg, FL 33702, USA
- Phone: +1 772 2322 7337
5. 21century.tech
21century.tech develops software for businesses that are adopting emerging technologies, including quantum computing. The company works on projects where quantum algorithms, AI, and cloud infrastructure come together to solve computational problems that are difficult to handle with traditional systems alone. Its experience covers both research-oriented development and practical software engineering, making open source quantum app development a natural part of its technology offering.
As open source quantum frameworks continue to evolve, reliable application architecture becomes just as important as the quantum code itself. 21century.tech builds the surrounding software needed to connect quantum workloads with existing systems, including APIs, cloud services, data pipelines, and user-facing applications. This allows organizations to experiment with quantum technologies while keeping development aligned with modern software engineering practices.
Key Highlights
- Experience with quantum computing projects
- Open source quantum framework expertise
- Hybrid quantum-classical application development
- AI and cloud integration
- Custom software engineering
- Enterprise application architecture
- Research and commercial software development
Services
- Open source quantum application development
- Quantum software consulting
- Hybrid application development
- AI integration
- Cloud solution development
- Backend and API development
- Custom software engineering
- System integration
Contact Information:
- Website: 21century.tech
- Email: [email protected]
6. Mobian
Mobian focuses on building software that combines clean architecture with long-term maintainability. Its engineering teams develop mobile applications, AI solutions, backend systems, and cloud infrastructure that can support advanced technologies, including open source quantum computing projects. This background makes it possible to create the software layers required around quantum algorithms and hybrid computing environments.
Quantum applications rarely exist on their own. They often need secure APIs, scalable backend services, monitoring, and integration with existing enterprise platforms. Mobian Studio brings these pieces together by designing systems that connect quantum processing with everyday business applications, allowing developers to work with open source quantum frameworks inside a broader software ecosystem.
Key Highlights
- Scalable software architecture
- AI and automation expertise
- Mobile and backend development
- Cloud-native engineering
- Enterprise system integration
- Dedicated engineering teams
- Long-term software maintenance
Services
- Open source quantum application development
- Hybrid quantum-classical software
- Backend development
- Mobile application development
- AI and automation solutions
- Cloud infrastructure
- API development
- Software maintenance and support
Contact Information:
- Website: mobian.studio
- E-mail: [email protected]
- LinkedIn: www.linkedin.com/company/mobian-studio
- Address: Harju maakond, Tallinn, Kesklinna linnaosa, Masina tn 22, 10
7. Quandela
Quandela approaches open source quantum app development from the perspective of quantum technology itself. The company develops Perceval, an open source Python framework designed for photonic quantum computing, giving developers a practical environment for designing, simulating, testing, and running quantum circuits. The framework supports both local simulations and execution on photonic quantum hardware, helping bridge the gap between research and real-world implementation.
Beyond the framework, Quandela provides tools that support the full development process, from algorithm design to experimentation and hardware integration. Developers can build quantum applications using familiar Python workflows, explore hybrid quantum-classical approaches, and move between simulation and cloud-based execution without changing development environments. The open source model also encourages community contributions and collaborative improvement of the platform.
Key Highlights
- Developer of the open source Perceval framework
- Focus on photonic quantum computing
- Python-based quantum programming environment
- Quantum simulation and hardware integration
- Hybrid quantum-classical workflows
- Community-driven open source development
- Cloud access to photonic quantum systems
Services
- Open source quantum framework development
- Photonic quantum application development
- Quantum algorithm design
- Quantum circuit simulation
- Cloud-based quantum computing
- Hybrid quantum-classical solutions
- Quantum software research
- Developer training and technical resources
Contact Information:
- Website: www.quandela.com
- Twitter: x.com/Quandela_off
- LinkedIn: www.linkedin.com/company/quandela
- Address: 7 Rue Léonard de Vinci, 91300 Massy
8. Oski Solutions
Oski Solutions builds custom software for companies that need scalable cloud platforms, AI-powered applications, and modern web solutions. This experience naturally extends to open source quantum app development, where reliable software architecture, cloud infrastructure, and backend engineering are just as important as quantum algorithms themselves. Their technology stack supports the development of applications that can integrate with open source quantum frameworks and hybrid computing environments.
As quantum computing continues to evolve, many organizations need software that connects experimental quantum capabilities with existing business systems. Oski develops APIs, cloud services, frontend applications, and deployment pipelines that help make those integrations practical. By combining AI, cloud technologies, and modern engineering practices, they can support projects that explore real-world quantum use cases while keeping applications maintainable over time.
Key Highlights
- Experience with cloud-native software development
- AI and machine learning expertise
- Backend and frontend engineering
- Hybrid cloud and serverless solutions
- DevOps and CI/CD implementation
- Enterprise software architecture
- Support for modern technology ecosystems
Services
- Open source quantum application development
- Hybrid quantum-classical software
- Cloud application development
- AI solution development
- Custom software engineering
- Backend and API development
- DevOps implementation
- Software maintenance
Contact Information:
- Website: oski.site
- E-mail: [email protected]
- LinkedIn: www.linkedin.com/company/oski-solutions
- Address: Kaupmehe tn 7-120, Tallinn, Estonia
- Phone: +48571282759
9. IBM Quantum
IBM Quantum focuses on building the infrastructure and software ecosystem needed for quantum computing research and commercial applications. Along with its quantum hardware, the company develops Qiskit, an open source software stack that allows developers to design, test, optimize, and run quantum programs using Python. This gives researchers and engineering teams a complete environment for creating quantum applications across different industries.
Developers can move from local simulations to cloud-based quantum systems without changing the core development workflow, making experimentation much easier. Beyond the programming tools, IBM Quantum supports application development through documentation, research resources, cloud services, and a broad ecosystem built around open source technologies. That combination makes it possible to develop, test, and refine quantum software before deploying workloads on real quantum hardware.
Key Highlights
- Developer of the open source Qiskit framework
- Full-stack quantum computing ecosystem
- Cloud access to quantum hardware
- Python-based quantum programming tools
- Hybrid quantum-classical workflows
- Quantum research and developer resources
- Open source software development
Services
- Open source quantum application development
- Quantum software development tools
- Quantum cloud computing
- Quantum algorithm development
- Quantum circuit optimization
- Hybrid computing solutions
- Quantum research support
- Developer education and documentation
Contact Information:
- Website: www.ibm.com
- Twitter: x.com/ibm
- LinkedIn: www.linkedin.com/company/ibm
- Instagram: www.instagram.com/ibm
- Address: 1 New Orchard Road, Armonk, New York 10504-1722, United States
- Phone: 1-800-426-4968
10. Soft-Pro
Soft-Pro develops custom software for businesses that need reliable digital products, enterprise systems, and long-term technical support. Its engineering background, combined with experience in cloud technologies, AI, and software modernization, provides a solid foundation for open source quantum app development. Building applications around quantum frameworks often requires scalable backend systems and well-designed integrations, and those are areas where the company has established technical expertise.
Quantum projects rarely stop at algorithm development. They need secure APIs, data processing, cloud infrastructure, and interfaces that allow users to interact with quantum-powered features. Soft-Pro supports this broader software layer, helping organizations connect open source quantum frameworks with existing platforms while keeping applications flexible enough to evolve as quantum technologies mature.
Key Highlights
- Custom enterprise software development
- Cloud and AI expertise
- Software modernization
- Backend and API engineering
- Scalable application architecture
- DevOps and cloud integration
- Cross-platform development
Services
- Open source quantum application development
- Hybrid quantum-classical software
- Custom software development
- Cloud engineering
- Backend development
- API integration
- AI solution development
- Software maintenance
Contact Information:
- Website: soft-pro.pl
- Address: Erazma Ciołka 13, 01-445 Warszawa, Poland
11. Quantum IT Innovation
Quantum IT Innovation provides software development, AI solutions, and digital transformation services across web, mobile, and enterprise platforms. Although the company covers a broad range of technologies, its experience with artificial intelligence, Python, and scalable software engineering makes it well suited for projects involving open source quantum app development. Many quantum applications depend on these technologies to connect quantum processing with business workflows.
Creating practical quantum software means combining several technologies into a single solution. Quantum IT Innovation develops the surrounding application components, including cloud services, user interfaces, APIs, and backend systems that allow open source quantum frameworks to become part of complete business applications. This creates room for experimentation without separating quantum computing from the rest of the software ecosystem.
Key Highlights
- AI and machine learning expertise
- Web and mobile application development
- Enterprise software engineering
- Cloud-based application architecture
- Backend and API development
- Cross-platform development
- Digital transformation experience
Services
- Open source quantum application development
- Quantum software consulting
- Hybrid application development
- AI development
- Web development
- Mobile application development
- Cloud integration
- Custom software engineering
Contact Information:
- Website: quantumitinnovation.com
- Email: [email protected]
- Facebook: www.facebook.com/quantumitinnovationindia
- Twitter: x.com/QuantumItNew
- LinkedIn: www.linkedin.com/company/quantumit-it-innovation
- Instagram: www.instagram.com/quantumitpro
- Address: 173 E Columbine LN, Westfield, Indiana 46074-9741
- Phone: +1 877 877 3644
12. A-listware
A-listware helps companies build and extend software through dedicated engineering teams, custom development, and IT consulting. Its experience covers cloud applications, AI, enterprise platforms, cybersecurity, and large-scale software systems, creating a solid technical base for open source quantum app development. As quantum computing becomes part of modern enterprise technology, these skills help connect quantum software with existing digital infrastructure.
Open source quantum frameworks need more than quantum algorithms to become useful in production. Applications require reliable backend services, cloud environments, testing, security, and integration with business systems. A-listware develops these supporting components, making it easier to build hybrid solutions where classical software and quantum computing can operate together within the same architecture.
Key Highlights
- Enterprise software development
- AI and machine learning capabilities
- Cloud application engineering
- Cybersecurity expertise
- Dedicated development teams
- Software consulting and modernization
- Scalable system architecture
Services
- Open source quantum application development
- Hybrid quantum-classical software
- Custom software development
- Cloud application development
- IT consulting
- AI engineering
- DevOps and infrastructure services
- Quality assurance and testing
Contact Information:
- Website: a-listware.com
- E-mail: [email protected]
- Facebook: www.facebook.com/alistware
- LinkedIn: www.linkedin.com/company/a-listware
- Address: North Bergen, NJ 07047, USA
- Phone: +1 (888) 337 93 73
13. net-devs
net-devs builds enterprise software using senior-led engineering teams supported by AI-assisted development workflows. Its focus on cloud-native architecture, backend engineering, and modern development practices aligns well with the needs of open source quantum app development, where reliable software design plays an important role alongside quantum algorithms and research.
Many organizations exploring quantum computing need complete applications, not isolated experiments. net-devs develops software that connects open source quantum frameworks with business platforms through APIs, cloud infrastructure, frontend applications, and automated delivery pipelines. Human oversight throughout the engineering process helps keep these systems maintainable as quantum technologies continue to evolve.
Key Highlights
- Senior-led software engineering
- AI-assisted development workflows
- Cloud-native architecture
- Enterprise backend development
- DevOps and platform engineering
- Modern front end technologies
- Scalable software design
Services
- Open source quantum application development
- Hybrid quantum-classical software
- Enterprise software development
- Cloud engineering
- Backend and API development
- AI engineering
- DevOps implementation
- Software quality assurance
Contact Information:
- Website: net-devs.com
- Email: [email protected]
- LinkedIn: www.linkedin.com/company/net-devs
- Address: Obrzeżna 1D, 02-691 Warszawa, Poland
- Phone: +48 571 282 759
Conclusion
Open source quantum app development is still an emerging field, but it is already giving businesses, researchers, and software teams a practical way to explore quantum computing without being tied to a single vendor or platform. Frameworks such as Qiskit, Perceval, and other open source tools make it possible to build, test, and refine quantum applications while the underlying hardware continues to improve.
Choosing the right development partner is just as important as choosing the technology itself. Some companies focus on quantum programming and research, while others contribute the software engineering skills needed to turn quantum ideas into complete applications with secure architecture, cloud integration, and scalable infrastructure. The right combination depends on your goals, whether you’re building a proof of concept, experimenting with hybrid quantum-classical solutions, or preparing for future commercial use.
As the quantum ecosystem continues to mature, open source technologies are likely to remain at the center of innovation. They encourage collaboration, speed up experimentation, and give organizations the flexibility to adapt as new tools, hardware, and practical use cases continue to emerge.