Nimbus alternatives
TL;DR: 12 companies doing similar work to Nimbus in B2B, ranked by how closely they match what Nimbus 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 Nimbus. They are scored on how closely their own description overlaps with Nimbus's, and all facts shown come from the YC company records — nothing is estimated.
What are the best alternatives to Nimbus?
| Alternative | What it does | Batch | Team | Status |
|---|---|---|---|---|
| Fithub | — | Winter 2010 | — | Inactive |
| Insoshi | — | Winter 2008 | — | Inactive |
| Optilly/Installmonetizer | Fb ad optimization platform | Winter 2012 | 11 | Inactive |
| Bryel | Devin for AI Research Engineering | Fall 2026 | 2 | Active |
| primitive | communication for agents | Spring 2026 | 4 | Active |
| PhoneSys | The Phone System for Sales Teams. | Summer 2011 | 4 | Inactive |
| Apportable | iOS porting | Winter 2011 | 51 | Acquired |
| OpenVector | AI that turns any camera to an autonomous worker with real-time vision | Summer 2026 | 4 | Active |
| Maritime | The managed cloud for AI agents. | Fall 2026 | 3 | Active |
| Mireye | Search Engine for the Physical World | Summer 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 |
Is Nimbus still active?
Nimbus 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 Nimbus. They are then ranked on how closely their own description overlaps with Nimbus's, so the closest matches come first rather than whoever happens to share a tag.