Riot alternatives
TL;DR: 12 companies doing similar work to Riot in B2B, ranked by how closely they match what Riot 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 Riot. They are scored on how closely their own description overlaps with Riot's, and all facts shown come from the YC company records — nothing is estimated.
What are the best alternatives to Riot?
| Alternative | What it does | Batch | Team | Status |
|---|---|---|---|---|
| Fithub | — | Winter 2010 | — | Inactive |
| Insoshi | — | Winter 2008 | — | Inactive |
| PromptArmor | LLM Security and Compliance | Winter 2024 | — | Active |
| Candor | Protect your data and stop insider risk | Winter 2025 | 3 | Active |
| Stacksi | Automated Answers to Security Questionnaires | Winter 2021 | 4 | Acquired |
| Delve | AI that makes compliance effortless | Winter 2024 | 33 | Active |
| Palisade | AI that finds and fixes OS-level vulnerabilities across device fleets | Summer 2026 | 1 | Active |
| Templarbit | Protecting applications from malicious activity | Summer 2017 | 11 | Acquired |
| ThinAir | Intelligent data security for teams | Winter 2015 | 11 | Inactive |
| Unbound | Use AI tools without fear of data leakage | Summer 2024 | 7 | Active |
| Dyneti Technologies | Reduce payment fraud | Winter 2019 | 3 | Active |
| Bunkyr | Zero-Knowledge security without seed phrases or backup codes | Winter 2022 | 3 | Active |
Is Riot still active?
Riot is still operating, so switching is a choice rather than a forced migration. Compare on fit and price rather than urgency.
How was this list put together?
Every company here is Y Combinator-backed and shares at least one category with Riot. They are then ranked on how closely their own description overlaps with Riot's, so the closest matches come first rather than whoever happens to share a tag.