Open source focus
Open Source Alternatives to Antimatter
60 open source Artificial Intelligence options similar to Antimatter, 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.
Archestra.AI55Artificial IntelligenceLondon, United Kingdom$10.0MOpen source · Self-hostable
KryptvaktCybersecurityOpen source
Forter85FintechNew York, United States$550.0MOpen source
OpenAI84Artificial IntelligenceSan Francisco, United States$493.9BOpen source
LogicGate Risk Cloud68GRCChicago, United States$269.0MOpen source
Coro65EnterpriseNew York, United States$235.0MOpen source
Oligo Security63EnterpriseTel Aviv, Israel$70.0MOpen source · Self-hostable
Giskard60Artificial IntelligenceParis, France$2.5MOpen source
Netskope58CybersecuritySanta Clara, United States$1.5BOpen source
Ray Security57EnterpriseSan Francisco, United States$11.0MOpen source
JupiterOne57CybersecurityCary, USA$3.0MOpen source
General Analysis55Artificial IntelligenceSan Francisco, USA$10.0MOpen source
Piiano54EnterpriseTel Aviv, Israel$9.0MOpen source
Knostic54Cybersecurity$14.3MOpen source
Oplane49CybersecurityMalmö, Sweden$4.5MOpen source
Arcade48Artificial IntelligenceSan Francisco, USA$60.0MOpen source
Prem47Artificial IntelligenceZurich, Switzerland$100.0MOpen source
- BABAND42Artificial IntelligenceKochav Ya'ir, Israel$17.0M
Open source
- FOFortanix35CybersecuritySanta Clara, United States$121.0M
Open source
- THtheCUBE Research22MediaPalo Alto, United States
Open source
Gravitee4CybersecurityLondon, United KingdomOpen source
SafeforkCybersecurityTel Aviv, IsraelOpen source
CustomsecureAgentic AIOpen source
WWT85CybersecuritySt. Louis, USA$63.0MOpen source
1Password85CybersecurityToronto, Canada$1.2BOpen source
Ubuntu85Operating SystemsLondon, United Kingdom$63.0MOpen source · Self-hostable
New Relic85Enterprise SoftwareSan Francisco, United States$7.2BOpen source
DeepL82Artificial IntelligenceCologne, Germany$300.0MOpen source
Cursor80Artificial IntelligenceSan Francisco, United States$2.9BOpen source
NemoClaw75Artificial IntelligenceOpen source · Self-hostable
Vanta75CybersecuritySan Francisco, United States$154.0MOpen source
Auth075Identity & Access Management (IAM)Bellevue, United States$282.4MOpen source
StarkWare73BlockchainTel Aviv, Israel$180.0MOpen source
Osaurus71Artificial IntelligenceSan Francisco, USA$63.0MOpen source
WekaIO70ComputingCampbell, United States$565.0MOpen source
Crunchbase70DataSan Francisco, United StatesOpen source
Talon Cyber Security69EnterpriseNew York, United States$126.0MOpen source
XBOW69CybersecuritySeattle, United States$215.0MOpen source
SafeBreach69EnterpriseTel Aviv, Israel$140.5MOpen source
Teleport69CybersecurityOakland, United States$190.0MOpen source
Pinecone69AI InfrastructureSan Francisco, United States$138.0MOpen source
Sysdig69CybersecuritySan Francisco, USA$608.0MOpen source
Starburst67AIBoston, United States$414.0MOpen source · Self-hostable
Solo.io66Artificial IntelligenceCambridge, USA$174.8MOpen source · Self-hostable
Tines66Security AutomationDublin, Ireland$260.1MOpen source
Zenity66CybersecuritySan Francisco, United States$59.5MOpen source
Aikido Security65CybersecurityGhent, Belgium$84.4MOpen source
Perception Point65EnterpriseTel Aviv, Israel$38.0MOpen source
Cockroach Labs65EnterpriseNew York, United States$308.1MOpen source
Protect AI64CybersecuritySeattle, United States$105.0MOpen source
Intezer63EnterpriseTel Aviv, Israel$58.0MOpen source
CyCognito63EnterprisePalo Alto, United States$153.0MOpen source
Lakera AI AG63AI SecurityBerlin, Germany$12.0MOpen source
Nagomi Security63CybersecuritySan Francisco, United States$30.0MOpen source
Artemis Global Technologies62CybersecuritySan Francisco, United States$85.0MOpen source
Orkes62Artificial IntelligenceSanta Clara, USA$89.3MOpen source
Viktor62Artificial IntelligenceWarsaw, Poland$64.7MOpen source
NinjaOne62SoftwareAustin, United States$1.2BOpen source
FossID62SoftwareStockholm, Sweden$63.0MOpen source
- RIRiffle Resilience62Artificial IntelligenceDallas, USA$63.0M
Open source
| Company | Sector | License | HQ | Funding | Score | Website |
|---|---|---|---|---|---|---|
| Archestra.AI | Artificial Intelligence | Open source · Self-hostable | London, United Kingdom | $10.0M | 55 | |
| Kryptvakt | Cybersecurity | Open source | — | — | — | |
| Forter | Fintech | Open source | New York, United States | $550.0M | 85 | |
| OpenAI | Artificial Intelligence | Open source | San Francisco, United States | $493.9B | 84 | |
| LogicGate Risk Cloud | GRC | Open source | Chicago, United States | $269.0M | 68 | |
| Coro | Enterprise | Open source | New York, United States | $235.0M | 65 | |
| Oligo Security | Enterprise | Open source · Self-hostable | Tel Aviv, Israel | $70.0M | 63 | |
| Giskard | Artificial Intelligence | Open source | Paris, France | $2.5M | 60 | |
| Netskope | Cybersecurity | Open source | Santa Clara, United States | $1.5B | 58 | |
| Ray Security | Enterprise | Open source | San Francisco, United States | $11.0M | 57 | |
| JupiterOne | Cybersecurity | Open source | Cary, USA | $3.0M | 57 | |
| General Analysis | Artificial Intelligence | Open source | San Francisco, USA | $10.0M | 55 | |
| Piiano | Enterprise | Open source | Tel Aviv, Israel | $9.0M | 54 | |
| Knostic | Cybersecurity | Open source | — | $14.3M | 54 | |
| Oplane | Cybersecurity | Open source | Malmö, Sweden | $4.5M | 49 | |
| Arcade | Artificial Intelligence | Open source | San Francisco, USA | $60.0M | 48 | |
| Prem | Artificial Intelligence | Open source | Zurich, Switzerland | $100.0M | 47 | |
| BABAND | Artificial Intelligence | Open source | Kochav Ya'ir, Israel | $17.0M | 42 | |
| FOFortanix | Cybersecurity | Open source | Santa Clara, United States | $121.0M | 35 | |
| THtheCUBE Research | Media | Open source | Palo Alto, United States | — | 22 | |
| Gravitee | Cybersecurity | Open source | London, United Kingdom | — | 4 | |
| Safefork | Cybersecurity | Open source | Tel Aviv, Israel | — | — | |
| Customsecure | Agentic AI | Open source | — | — | — | |
| WWT | Cybersecurity | Open source | St. Louis, USA | $63.0M | 85 | |
| 1Password | Cybersecurity | Open source | Toronto, Canada | $1.2B | 85 | |
| Ubuntu | Operating Systems | Open source · Self-hostable | London, United Kingdom | $63.0M | 85 | |
| New Relic | Enterprise Software | Open source | San Francisco, United States | $7.2B | 85 | |
| DeepL | Artificial Intelligence | Open source | Cologne, Germany | $300.0M | 82 | |
| Cursor | Artificial Intelligence | Open source | San Francisco, United States | $2.9B | 80 | |
| NemoClaw | Artificial Intelligence | Open source · Self-hostable | — | — | 75 | |
| Vanta | Cybersecurity | Open source | San Francisco, United States | $154.0M | 75 | |
| Auth0 | Identity & Access Management (IAM) | Open source | Bellevue, United States | $282.4M | 75 | |
| StarkWare | Blockchain | Open source | Tel Aviv, Israel | $180.0M | 73 | |
| Osaurus | Artificial Intelligence | Open source | San Francisco, USA | $63.0M | 71 | |
| WekaIO | Computing | Open source | Campbell, United States | $565.0M | 70 | |
| Crunchbase | Data | Open source | San Francisco, United States | — | 70 | |
| Talon Cyber Security | Enterprise | Open source | New York, United States | $126.0M | 69 | |
| XBOW | Cybersecurity | Open source | Seattle, United States | $215.0M | 69 | |
| SafeBreach | Enterprise | Open source | Tel Aviv, Israel | $140.5M | 69 | |
| Teleport | Cybersecurity | Open source | Oakland, United States | $190.0M | 69 | |
| Pinecone | AI Infrastructure | Open source | San Francisco, United States | $138.0M | 69 | |
| Sysdig | Cybersecurity | Open source | San Francisco, USA | $608.0M | 69 | |
| 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 | |
| Tines | Security Automation | Open source | Dublin, Ireland | $260.1M | 66 | |
| Zenity | Cybersecurity | Open source | San Francisco, United States | $59.5M | 66 | |
| Aikido Security | Cybersecurity | Open source | Ghent, Belgium | $84.4M | 65 | |
| Perception Point | Enterprise | Open source | Tel Aviv, Israel | $38.0M | 65 | |
| Cockroach Labs | Enterprise | Open source | New York, United States | $308.1M | 65 | |
| Protect AI | Cybersecurity | Open source | Seattle, United States | $105.0M | 64 | |
| Intezer | Enterprise | Open source | Tel Aviv, Israel | $58.0M | 63 | |
| CyCognito | Enterprise | Open source | Palo Alto, United States | $153.0M | 63 | |
| Lakera AI AG | AI Security | Open source | Berlin, Germany | $12.0M | 63 | |
| Nagomi Security | Cybersecurity | Open source | San Francisco, United States | $30.0M | 63 | |
| Artemis Global Technologies | Cybersecurity | Open source | San Francisco, United States | $85.0M | 62 | |
| Orkes | Artificial Intelligence | Open source | Santa Clara, USA | $89.3M | 62 | |
| Viktor | Artificial Intelligence | Open source | Warsaw, Poland | $64.7M | 62 | |
| NinjaOne | Software | Open source | Austin, United States | $1.2B | 62 | |
| FossID | Software | Open source | Stockholm, Sweden | $63.0M | 62 | |
| RIRiffle Resilience | Artificial Intelligence | Open source | Dallas, USA | $63.0M | 62 |