Blyss alternatives
TL;DR: 12 companies doing similar work to Blyss in B2B, ranked by how closely they match what Blyss actually does — not just by category.
How this list was built: every company here is Y Combinator-backed and shares at least one category with Blyss. They are scored on how closely their own description overlaps with Blyss's, and all facts shown come from the YC company records — nothing is estimated.
What are the best alternatives to Blyss?
| Alternative | What it does | Batch | Team | Status |
|---|---|---|---|---|
| Hiro | Agents that handle security work | Summer 2023 | 2 | Active |
| Fithub | — | Winter 2010 | — | Inactive |
| Insoshi | — | Winter 2008 | — | Inactive |
| Unbound | Use AI tools without fear of data leakage | Summer 2024 | 7 | Active |
| Dyneti Technologies | Reduce payment fraud | Winter 2019 | 3 | Active |
| PromptArmor | LLM Security and Compliance | Winter 2024 | — | Active |
| Sphere Secure Workspace | — | Summer 2015 | 2 | Acquired |
| idemeum | AI-powered Application Control | Summer 2021 | 10 | Active |
| Tinfoil | Encrypted AI with verifiable privacy | Spring 2025 | 5 | Active |
| Clawvisor | The Authorization Layer for AI Agents | Spring 2026 | 1 | Active |
| Matano | Cloud Native SIEM (alternative to Splunk/Elastic) | Winter 2023 | 2 | Active |
| Observa | Catch accidental database exposures before the bad guys | Winter 2021 | 1 | Inactive |
Is Blyss still active?
Blyss is no longer listed as active, so anyone still relying on it should plan a migration to one of the alternatives above.
How was this list put together?
Every company here is Y Combinator-backed and shares at least one category with Blyss. They are then ranked on how closely their own description overlaps with Blyss's, so the closest matches come first rather than whoever happens to share a tag.