ContraForce alternatives
TL;DR: 12 companies doing similar work to ContraForce in B2B, ranked by how closely they match what ContraForce 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 ContraForce. They are scored on how closely their own description overlaps with ContraForce's, and all facts shown come from the YC company records — nothing is estimated.
What are the best alternatives to ContraForce?
| 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 |
| Brushes | iPad drawing software. | Summer 2010 | — | Inactive |
| Sublime Black | Automating Cyber Security Incident Response Through Artificial… | Winter 2019 | — | Inactive |
| idemeum | AI-powered Application Control | Summer 2021 | 10 | Active |
| Dyneti Technologies | Reduce payment fraud | Winter 2019 | 3 | Active |
| PromptArmor | LLM Security and Compliance | Winter 2024 | — | Active |
| Kestrel AI | AI Agents for Platform Engineering | Fall 2025 | 2 | Active |
| Arcten | Lab working on long-horizon autonomous research and coding agents | Fall 2025 | 2 | Active |
| Escape | Offensive security for the teams that are 100x outnumbered | Winter 2023 | 29 | Active |
| SolidStage | Sysadmin as a service. We make deploying, configuring, monitoring,… | Winter 2012 | — | Inactive |
Is ContraForce still active?
ContraForce 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 ContraForce. They are then ranked on how closely their own description overlaps with ContraForce's, so the closest matches come first rather than whoever happens to share a tag.