Technology & Software How the score works
seL4
seL4 is a formally verified, high-assurance open source microkernel operating system supported by the seL4 Foundation.
Visit sel4.systems ↗- Extension
- .systems
- Discovered
- 10/23/2026
- Domain registered
- Domain age
- Established
- Language
- English
Why it ranks
71 Strong
- Brand (25%)95
Brand: seL4
- Popularity / traffic (20%)10
Not in Tranco top 1M
- Authority / backlinks (15%)unknown
Not checked yet
- Marketing of the domain (15%)75
Official foundation site with summit info, mailing lists, and GitHub links.
- Content quality (10%)92
92/100
- Design & build (5%)85
85/100
- Domain age (10%)100
12.6 years since registration
Official, comprehensive website for the world-renowned formally verified seL4 microkernel and foundation.
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