CoreOS alternatives
TL;DR: 12 companies doing similar work to CoreOS in B2B, ranked by how closely they match what CoreOS 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 CoreOS. They are scored on how closely their own description overlaps with CoreOS's, and all facts shown come from the YC company records — nothing is estimated.
What are the best alternatives to CoreOS?
| Alternative | What it does | Batch | Team | Status |
|---|---|---|---|---|
| Fithub | — | Winter 2010 | — | Inactive |
| Insoshi | — | Winter 2008 | — | Inactive |
| Sherpa Labs | Frontier Data | Winter 2025 | 5 | Active |
| Magma | Monetize your agent's traces. | Summer 2026 | 1 | Active |
| Convox | Open-source tools for deploying, managing, and monitoring cloud… | Summer 2015 | 3 | Acquired |
| primitive | communication for agents | Spring 2026 | 4 | Active |
| Dialogus | voice AI agents that learn how your company actually works | Summer 2026 | 3 | Active |
| PhoneSys | The Phone System for Sales Teams. | Summer 2011 | 4 | Inactive |
| Korso | In Development | Spring 2026 | 3 | Active |
| InfluxData | The platform for building and operating time series applications. | Winter 2013 | 210 | Active |
| Memorable | reducing agent reasoning into a graph search problem | Summer 2027 | 2 | Active |
| GoScale | Dynamical Scaling Virtual Machines as a Service | Summer 2012 | 2 | Inactive |
Is CoreOS still active?
CoreOS has been acquired, which often means pricing, roadmap or support changes. That is the usual reason people start looking at this list.
How was this list put together?
Every company here is Y Combinator-backed and shares at least one category with CoreOS. They are then ranked on how closely their own description overlaps with CoreOS's, so the closest matches come first rather than whoever happens to share a tag.