Limrun alternatives
TL;DR: 12 companies doing similar work to Limrun in B2B, ranked by how closely they match what Limrun 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 Limrun. They are scored on how closely their own description overlaps with Limrun's, and all facts shown come from the YC company records — nothing is estimated.
What are the best alternatives to Limrun?
| Alternative | What it does | Batch | Team | Status |
|---|---|---|---|---|
| Ardent | Database sandboxes for Agents | Spring 2026 | 3 | Active |
| Fithub | — | Winter 2010 | — | Inactive |
| Insoshi | — | Winter 2008 | — | Inactive |
| primitive | communication for agents | Spring 2026 | 4 | Active |
| Bryel | Devin for AI Research Engineering | Fall 2026 | 2 | Active |
| Magma | Monetize your agent's traces. | Summer 2026 | 1 | Active |
| Terse | Durable state for AI agents | Fall 2026 | 2 | 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 |
| Firebase | Build and grow iOS, Android, and Web apps. | Summer 2011 | 500 | Acquired |
| Minefold | Simple multiplayer game servers. | Winter 2012 | 2 | Inactive |
| Indexable | sandbox infrastructure for AI agents | Spring 2026 | 3 | Active |
Is Limrun still active?
Limrun 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 Limrun. They are then ranked on how closely their own description overlaps with Limrun's, so the closest matches come first rather than whoever happens to share a tag.