Open source focus
Open Source Alternatives to K2
60 open source Aerospace options similar to K2, 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.
Nebius85NeocloudAmsterdam, Netherlands$6.3BOpen source
SiFive66AI ChipSan Jose, United States$774.9MOpen source
Starfighters Space63AerospaceKennedy Space Center, USA$17.5MOpen source
Citrix Systems60Cloud ComputingFort Lauderdale, United StatesOpen source
MORPHEUS SPACE53SpaceTechPotsdam, GermanyOpen source
Mynaric50SpaceTechMunich, Germany$100.0MOpen source
- HEHewlett Packard Enterprise42Enterprise TechnologySpring, USA
Open source
- LOLockheed Martin29AerospaceBethesda, United States
Open source
AstronavisSpaceTechPalo Alto, United StatesOpen source
New Relic85Enterprise SoftwareSan Francisco, United States$7.2BOpen source
WWT85CybersecuritySt. Louis, USA$63.0MOpen source
Ubuntu85Operating SystemsLondon, United Kingdom$63.0MOpen source · Self-hostable
VAST Data85StorageNew York, United States$881.0MOpen source
Databricks82Data AnalyticsSan Francisco, United States$31.7BOpen source · Self-hostable
- GRGrafana Labs80ObservabilityNew York, United States
Open source · Self-hostable
Google73InternetMountain View, United States$9.1BOpen source
Docker71SoftwareSan Francisco, USA$105.0MOpen source
Crunchbase70DataSan Francisco, United StatesOpen source
SUSE70Cloud ComputingLuxembourg City, Luxembourg$4.9BOpen source · Self-hostable
- MOMongoDB70Big DataNew York, USA$1.5B
Open source
Sysdig69CybersecuritySan Francisco, USA$608.0MOpen source
- VEVeeva Systems67SaaSPleasanton, United States$7.0M
Open source
Crusoe Energy67Energy & Climate TechDenver, United States$610.0MOpen source
Starburst67AIBoston, United States$414.0MOpen source · Self-hostable
Solo.io66Artificial IntelligenceCambridge, USA$174.8MOpen source · Self-hostable
WP Engine65InternetAustin, United States$251.2MOpen source
Habana Labs64ComputingTel Aviv, Israel$105.0MOpen source
Vultr63NeocloudHerndon, United States$662.0MOpen source
- QDQdrant63Artificial IntelligenceBerlin, Germany$87.5M
Open source · Self-hostable
Hyperstack62GPU-as-a-ServiceLondon, United KingdomOpen source
Speedata62EnterpriseSan Jose, United States$158.0MOpen source
Ampere62SemiconductorsSanta Clara, USA$63.0MOpen source
Orkes62Artificial IntelligenceSanta Clara, USA$89.3MOpen source
- UPUpstash62SaaSSan Jose, United States$11.9M
Open source
RadixArk62Artificial IntelligencePalo Alto, USA$20.0MOpen source
StarTree, Inc.61Real-Time AnalyticsMountain View, United States$75.2MOpen source · Self-hostable
Canonical60Open SourceLondon, United Kingdom$348KOpen source · Self-hostable
SpinLaunch60SpaceTechLong Beach, United States$116.5MOpen source
- NGNGINX60SoftwareSan Francisco, USA$56.0M
Open source
SkyfireAI59AerospaceAustin, USA$19.5MOpen source
TENSORWAVE59AI InfrastructureUnited States$350.0MOpen source
Akash Network56DePINSan Francisco, United States$2.0MOpen source · Self-hostable
Usekernel56Developer ToolsSan Francisco, United States$22.0MOpen source
Prime Intellect55NeocloudSan Francisco, United States$70.0MOpen source
Excelero55Data CenterSanta Clara, United States$25.0MOpen source
Nexthop AI55Artificial IntelligenceSanta Clara, United States$610.0MOpen source
OpsMill55Artificial IntelligencePalo Alto, USA$26.0MOpen source
Oxide Computer55EnterpriseSan Francisco, United States$200.0MOpen source
KiloClaw54Artificial IntelligenceOpen source · Self-hostable
Tensorlake54Artificial IntelligenceSan Francisco, United States$8.0MOpen source
- ACAcquia54SaaSBoston, United States$174.0M
Open source
Aura Aero54AerospaceToulouse, France$340.0MOpen source
BreezoMeter54Weather$42.9MOpen source
MemVerge54MemorySan Jose, United States$43.5MOpen source
- SPSpaceComputer54SpaceTechSingapore, Singapore$10.0M
Open source
Glow Power54Energy ProcurementSan Francisco, United KingdomOpen source
- MAMAJESTIC LABS AI52AISan Francisco, United States$100.0M
Open source
InsightFinder52Artificial IntelligenceSan Jose, USA$15.0MOpen source
Platform952Cloud InfrastructureSan Jose, United States$147.5MOpen source
- NENextcloud52Cloud ComputingNuremberg, Germany$63.0M
Open source · Self-hostable
| Company | Sector | License | HQ | Funding | Score |
|---|---|---|---|---|---|
| Nebius | Neocloud | Open source | Amsterdam, Netherlands | $6.3B | 85 |
| SiFive | AI Chip | Open source | San Jose, United States | $774.9M | 66 |
| Starfighters Space | Aerospace | Open source | Kennedy Space Center, USA | $17.5M | 63 |
| Citrix Systems | Cloud Computing | Open source | Fort Lauderdale, United States | — | 60 |
| MORPHEUS SPACE | SpaceTech | Open source | Potsdam, Germany | — | 53 |
| Mynaric | SpaceTech | Open source | Munich, Germany | $100.0M | 50 |
| HEHewlett Packard Enterprise | Enterprise Technology | Open source | Spring, USA | — | 42 |
| LOLockheed Martin | Aerospace | Open source | Bethesda, United States | — | 29 |
| Astronavis | SpaceTech | Open source | Palo Alto, United States | — | — |
| New Relic | Enterprise Software | Open source | San Francisco, United States | $7.2B | 85 |
| WWT | Cybersecurity | Open source | St. Louis, USA | $63.0M | 85 |
| Ubuntu | Operating Systems | Open source · Self-hostable | London, United Kingdom | $63.0M | 85 |
| VAST Data | Storage | Open source | New York, United States | $881.0M | 85 |
| Databricks | Data Analytics | Open source · Self-hostable | San Francisco, United States | $31.7B | 82 |
| GRGrafana Labs | Observability | Open source · Self-hostable | New York, United States | — | 80 |
| Google | Internet | Open source | Mountain View, United States | $9.1B | 73 |
| Docker | Software | Open source | San Francisco, USA | $105.0M | 71 |
| Crunchbase | Data | Open source | San Francisco, United States | — | 70 |
| SUSE | Cloud Computing | Open source · Self-hostable | Luxembourg City, Luxembourg | $4.9B | 70 |
| MOMongoDB | Big Data | Open source | New York, USA | $1.5B | 70 |
| Sysdig | Cybersecurity | Open source | San Francisco, USA | $608.0M | 69 |
| VEVeeva Systems | SaaS | Open source | Pleasanton, United States | $7.0M | 67 |
| Crusoe Energy | Energy & Climate Tech | Open source | Denver, United States | $610.0M | 67 |
| Starburst | AI | Open source · Self-hostable | Boston, United States | $414.0M | 67 |
| Solo.io | Artificial Intelligence | Open source · Self-hostable | Cambridge, USA | $174.8M | 66 |
| WP Engine | Internet | Open source | Austin, United States | $251.2M | 65 |
| Habana Labs | Computing | Open source | Tel Aviv, Israel | $105.0M | 64 |
| Vultr | Neocloud | Open source | Herndon, United States | $662.0M | 63 |
| QDQdrant | Artificial Intelligence | Open source · Self-hostable | Berlin, Germany | $87.5M | 63 |
| Hyperstack | GPU-as-a-Service | Open source | London, United Kingdom | — | 62 |
| Speedata | Enterprise | Open source | San Jose, United States | $158.0M | 62 |
| Ampere | Semiconductors | Open source | Santa Clara, USA | $63.0M | 62 |
| Orkes | Artificial Intelligence | Open source | Santa Clara, USA | $89.3M | 62 |
| UPUpstash | SaaS | Open source | San Jose, United States | $11.9M | 62 |
| RadixArk | Artificial Intelligence | Open source | Palo Alto, USA | $20.0M | 62 |
| StarTree, Inc. | Real-Time Analytics | Open source · Self-hostable | Mountain View, United States | $75.2M | 61 |
| Canonical | Open Source | Open source · Self-hostable | London, United Kingdom | $348K | 60 |
| SpinLaunch | SpaceTech | Open source | Long Beach, United States | $116.5M | 60 |
| NGNGINX | Software | Open source | San Francisco, USA | $56.0M | 60 |
| SkyfireAI | Aerospace | Open source | Austin, USA | $19.5M | 59 |
| TENSORWAVE | AI Infrastructure | Open source | United States | $350.0M | 59 |
| Akash Network | DePIN | Open source · Self-hostable | San Francisco, United States | $2.0M | 56 |
| Usekernel | Developer Tools | Open source | San Francisco, United States | $22.0M | 56 |
| Prime Intellect | Neocloud | Open source | San Francisco, United States | $70.0M | 55 |
| Excelero | Data Center | Open source | Santa Clara, United States | $25.0M | 55 |
| Nexthop AI | Artificial Intelligence | Open source | Santa Clara, United States | $610.0M | 55 |
| OpsMill | Artificial Intelligence | Open source | Palo Alto, USA | $26.0M | 55 |
| Oxide Computer | Enterprise | Open source | San Francisco, United States | $200.0M | 55 |
| KiloClaw | Artificial Intelligence | Open source · Self-hostable | — | — | 54 |
| Tensorlake | Artificial Intelligence | Open source | San Francisco, United States | $8.0M | 54 |
| ACAcquia | SaaS | Open source | Boston, United States | $174.0M | 54 |
| Aura Aero | Aerospace | Open source | Toulouse, France | $340.0M | 54 |
| BreezoMeter | Weather | Open source | — | $42.9M | 54 |
| MemVerge | Memory | Open source | San Jose, United States | $43.5M | 54 |
| SPSpaceComputer | SpaceTech | Open source | Singapore, Singapore | $10.0M | 54 |
| Glow Power | Energy Procurement | Open source | San Francisco, United Kingdom | — | 54 |
| MAMAJESTIC LABS AI | AI | Open source | San Francisco, United States | $100.0M | 52 |
| InsightFinder | Artificial Intelligence | Open source | San Jose, USA | $15.0M | 52 |
| Platform9 | Cloud Infrastructure | Open source | San Jose, United States | $147.5M | 52 |
| NENextcloud | Cloud Computing | Open source · Self-hostable | Nuremberg, Germany | $63.0M | 52 |