Open Source Alternatives to QuantumSecure
5 open source Post-Quantum Cryptography options similar to QuantumSecure, ranked by named competitors first, sector overlap, and our 0-100 AI-readiness score. Every company listed publishes its source: each one carries an open source sector tag and a public GitHub repository.
- Puck52Endpoint SecurityUnited States
Open-source, AI-driven endpoint investigation tool for security teams.
Open source · Self-hostable
Outshift19Agentic AICisco's internal incubation engine for emerging technologies like agentic AI and quantum networking.
Open source · Self-hostable
Logz.io63EnterpriseTel Aviv, Israel$132.0MLogz.io provides an observability platform for cloud-native businesses, combining open-source tools for monitoring and security.
Open source · Self-hostable
CloudQuery53EnterpriseSan Francisco, United States$18.5MOpen-source data integration platform for security and infrastructure teams.
Open source · Self-hostable
Velum Labs49Machine LearningSan Francisco, United States$500KFirewall that controls access to information across AI and humans
Open source · Self-hostable
| Company | Sector | License | HQ | Funding | Score | Website |
|---|---|---|---|---|---|---|
| Endpoint Security | Open source · Self-hostable | United States | — | 52 | ||
| OutshiftCisco's internal incubation engine for emerging technologies like agentic AI and quantum networking. | Agentic AI | Open source · Self-hostable | — | — | 19 | |
| Logz.ioLogz.io provides an observability platform for cloud-native businesses, combining open-source tools for monitoring and security. | Enterprise | Open source · Self-hostable | Tel Aviv, Israel | $132.0M | 63 | |
| CloudQueryOpen-source data integration platform for security and infrastructure teams. | Enterprise | Open source · Self-hostable | San Francisco, United States | $18.5M | 53 | |
| Velum LabsFirewall that controls access to information across AI and humans | Machine Learning | Open source · Self-hostable | San Francisco, United States | $500K | 49 |