Cajal alternatives
TL;DR: 12 companies doing similar work to Cajal in B2B, ranked by how closely they match what Cajal 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 Cajal. They are scored on how closely their own description overlaps with Cajal's, and all facts shown come from the YC company records — nothing is estimated.
What are the best alternatives to Cajal?
| 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 |
| Brushes | iPad drawing software. | Summer 2010 | — | Inactive |
| Rescale | High Performance Computing Built for the Cloud | Winter 2012 | 250 | Active |
| GiveSpark | Givespark was a celebrity charity fundraising platform | Winter 2012 | 1 | Inactive |
| Maritime | The managed cloud for AI agents. | Fall 2026 | 3 | Active |
| BookSolid | BookSolid is the opentable for tour operators. | Winter 2012 | — | Inactive |
| SolidStage | Sysadmin as a service. We make deploying, configuring, monitoring,… | Winter 2012 | — | Inactive |
| Amiato | The BI bridge for unstructured data. We automatically bridge the gap… | Winter 2012 | 2 | Acquired |
| Envariant | Interpretability and reasoning infra for foundation models. | Winter 2026 | 1 | Active |
| Reflex | The operating system for building mission-critical enterprise apps. | Winter 2023 | 10 | Active |
Is Cajal still active?
Cajal 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 Cajal. They are then ranked on how closely their own description overlaps with Cajal's, so the closest matches come first rather than whoever happens to share a tag.