Apollo alternatives
TL;DR: 12 companies doing similar work to Apollo in B2B, ranked by how closely they match what Apollo 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 Apollo. They are scored on how closely their own description overlaps with Apollo's, and all facts shown come from the YC company records — nothing is estimated.
What are the best alternatives to Apollo?
| Alternative | What it does | Batch | Team | Status |
|---|---|---|---|---|
| Fithub | — | Winter 2010 | — | Inactive |
| Insoshi | — | Winter 2008 | — | Inactive |
| Brushes | iPad drawing software. | Summer 2010 | — | Inactive |
| Memorable | reducing agent reasoning into a graph search problem | Summer 2027 | 2 | Active |
| Magma | Monetize your agent's traces. | Summer 2026 | 1 | Active |
| Proxino | Javascript proxy. | Summer 2011 | — | Inactive |
| 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 |
| Executor | The open source tool gateway | Summer 2026 | 1 | Active |
Is Apollo still active?
Apollo 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 Apollo. They are then ranked on how closely their own description overlaps with Apollo's, so the closest matches come first rather than whoever happens to share a tag.