Open Source Alternatives to Rhonexum
48 open source Quantum Computing options similar to Rhonexum, ranked by named competitors first, sector overlap, and our 0-100 AI-readiness score. Each profile notes license and self-hosting where we have it.
Arkeon Technologies40Quantum ComputingGothenburg, Sweden$594KOpen source
Ampere62SemiconductorsSanta Clara, USA$63.0MOpen source
Normal Computing62Artificial IntelligenceNew York, United States$50.0MOpen source
Rigetti Computing59Quantum ComputingBerkeley, United States$178.0MOpen source
Aura Aero54AerospaceToulouse, France$340.0MOpen source
- MAMAJESTIC LABS AI52AISan Francisco, United States$100.0M
Open source
Enflame Technology52Artificial IntelligenceShanghai, China$400.0MOpen source
D-Wave51Quantum ComputingBurnaby, CanadaOpen source
FarmGPU16Artificial IntelligenceRancho Cordova, United StatesOpen source
Google73InternetMountain View, United States$9.1BOpen source
Exotec70RoboticsLyon, FranceOpen source
Quantum Machines69Quantum ComputingTel Aviv, Israel$293.0MOpen source
Classiq67Quantum ComputingTel Aviv, Israel$194.5MOpen source
- YUYubico63CybersecurityStockholm, Sweden
Open source
Starfighters Space63AerospaceKennedy Space Center, USA$17.5MOpen source
- QDQdrant63Artificial IntelligenceBerlin, Germany$87.5M
Open source · Self-hostable
Smartex.ai58Textile ManufacturingPorto, Portugal$24.7MOpen source
Graphcore57AI ChipBristol, United Kingdom$854.0MOpen source
- PIPico Immersive56Virtual RealityBeijing, China$397.1M
Open source
Oxide Computer55EnterpriseSan Francisco, United States$200.0MOpen source
- ESEscape55CybersecurityParis, France$21.9M
Open source
Cajal55B2BSan Francisco, United States$4.5MOpen source
Ouster55RoboticsSan Francisco, United States$100.0MOpen source
Nexthop AI55Artificial IntelligenceSanta Clara, United States$610.0MOpen source
StereoLabs54RoboticsParis, France$30.0MOpen source
Swift Navigation52GNSSSan Francisco, United States$104.5MOpen source
Pollen Robotics52RoboticsParis, France$2.6MOpen source · Self-hostable
- AXAxiomatic AI50Artificial IntelligenceCambridge, United States$24.0M
Open source
- POPositron49HardwareSan Francisco, United States$75.1M
Open source
- RIRiverlane48Quantum ComputingCambridge, United Kingdom$93.9M
Open source
- ARArduino46Open SourceSomerville, United States$54.0M
Open source · Self-hostable
Luxonis46Artificial IntelligenceDenver, USA$14.0MOpen source
- BRBrilliant Labs44Artificial IntelligenceSan Francisco, USA$3.0M
Open source
Anvil Robotics43RoboticsSan Francisco, United States$6.5MOpen source
- ARArgosMD43HealthcareSan Francisco, United States
Open source
Caudal Energy42Renewable EnergyOxford, United Kingdom$5.3MOpen source
ZeroRISC37CybersecuritySan Jose, United States$10.0MOpen source
WeatherXM33Climate TechAthens, GreeceOpen source
- Ravee Optics, .29SpaceTech
Open source
Exein29CybersecurityMilan, Italy$1.5MOpen source
Motoro Security26AutomotiveTel Aviv, IsraelOpen source
- CLClawdmeter15Artificial IntelligenceReykjavik, Iceland
Open source · Self-hostable
IBM Quantum12Quantum ComputingYorktown Heights, United StatesOpen source
9 Mothers10Hard TechAustin, United StatesOpen source
- NXNXP Semiconductors9SemiconductorsEindhoven, Netherlands
Open source
BingranAgentic AIBerkeley, United StatesOpen source
QuantbeeQuantum ComputingOpen source
LlamabenchFoundation ModelOpen source
| Company | Sector | License | HQ | Funding | Score |
|---|---|---|---|---|---|
| Quantum Computing | Open source | Gothenburg, Sweden | $594K | 40 | |
| Semiconductors | Open source | Santa Clara, USA | $63.0M | 62 | |
| Artificial Intelligence | Open source | New York, United States | $50.0M | 62 | |
| Quantum Computing | Open source | Berkeley, United States | $178.0M | 59 | |
| Aerospace | Open source | Toulouse, France | $340.0M | 54 | |
| MAMAJESTIC LABS AI | AI | Open source | San Francisco, United States | $100.0M | 52 |
| Artificial Intelligence | Open source | Shanghai, China | $400.0M | 52 | |
| Quantum Computing | Open source | Burnaby, Canada | — | 51 | |
| Artificial Intelligence | Open source | Rancho Cordova, United States | — | 16 | |
| Internet | Open source | Mountain View, United States | $9.1B | 73 | |
| Robotics | Open source | Lyon, France | — | 70 | |
| Quantum Computing | Open source | Tel Aviv, Israel | $293.0M | 69 | |
| Quantum Computing | Open source | Tel Aviv, Israel | $194.5M | 67 | |
| YUYubico | Cybersecurity | Open source | Stockholm, Sweden | — | 63 |
| Aerospace | Open source | Kennedy Space Center, USA | $17.5M | 63 | |
| QDQdrant | Artificial Intelligence | Open source · Self-hostable | Berlin, Germany | $87.5M | 63 |
| Textile Manufacturing | Open source | Porto, Portugal | $24.7M | 58 | |
| AI Chip | Open source | Bristol, United Kingdom | $854.0M | 57 | |
| PIPico Immersive | Virtual Reality | Open source | Beijing, China | $397.1M | 56 |
| Enterprise | Open source | San Francisco, United States | $200.0M | 55 | |
| ESEscape | Cybersecurity | Open source | Paris, France | $21.9M | 55 |
| B2B | Open source | San Francisco, United States | $4.5M | 55 | |
| Robotics | Open source | San Francisco, United States | $100.0M | 55 | |
| Artificial Intelligence | Open source | Santa Clara, United States | $610.0M | 55 | |
| Robotics | Open source | Paris, France | $30.0M | 54 | |
| GNSS | Open source | San Francisco, United States | $104.5M | 52 | |
| Robotics | Open source · Self-hostable | Paris, France | $2.6M | 52 | |
| AXAxiomatic AI | Artificial Intelligence | Open source | Cambridge, United States | $24.0M | 50 |
| POPositron | Hardware | Open source | San Francisco, United States | $75.1M | 49 |
| RIRiverlane | Quantum Computing | Open source | Cambridge, United Kingdom | $93.9M | 48 |
| ARArduino | Open Source | Open source · Self-hostable | Somerville, United States | $54.0M | 46 |
| Artificial Intelligence | Open source | Denver, USA | $14.0M | 46 | |
| BRBrilliant Labs | Artificial Intelligence | Open source | San Francisco, USA | $3.0M | 44 |
| Robotics | Open source | San Francisco, United States | $6.5M | 43 | |
| ARArgosMD | Healthcare | Open source | San Francisco, United States | — | 43 |
| Renewable Energy | Open source | Oxford, United Kingdom | $5.3M | 42 | |
| Cybersecurity | Open source | San Jose, United States | $10.0M | 37 | |
| Climate Tech | Open source | Athens, Greece | — | 33 | |
| SpaceTech | Open source | — | — | 29 | |
| Cybersecurity | Open source | Milan, Italy | $1.5M | 29 | |
| Automotive | Open source | Tel Aviv, Israel | — | 26 | |
| CLClawdmeter | Artificial Intelligence | Open source · Self-hostable | Reykjavik, Iceland | — | 15 |
| Quantum Computing | Open source | Yorktown Heights, United States | — | 12 | |
| Hard Tech | Open source | Austin, United States | — | 10 | |
| NXNXP Semiconductors | Semiconductors | Open source | Eindhoven, Netherlands | — | 9 |
| Agentic AI | Open source | Berkeley, United States | — | — | |
| Quantum Computing | Open source | — | — | — | |
| Foundation Model | Open source | — | — | — |