Manatee alternatives
TL;DR: 12 companies doing similar work to Manatee in B2B, ranked by how closely they match what Manatee 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 Manatee. They are scored on how closely their own description overlaps with Manatee's, and all facts shown come from the YC company records — nothing is estimated.
What are the best alternatives to Manatee?
| Alternative | What it does | Batch | Team | Status |
|---|---|---|---|---|
| Fithub | — | Winter 2010 | — | Inactive |
| Insoshi | — | Winter 2008 | — | Inactive |
| Scribe | Scribe is an AI based Sales Development Representative that you can… | Winter 2017 | 15 | Acquired |
| Karumi | The Waymo of Personalized demos | Fall 2025 | 6 | Active |
| Cenote | AI agents for conversational commerce | Winter 2025 | 2 | Active |
| Champ | AI SDR | Summer 2022 | 1 | Active |
| Infer | Operating system for insurance agencies | Summer 2021 | 9 | Active |
| Ciro | GTM AI that books you 5-8 meetings/week | Summer 2022 | 5 | Active |
| Avina | GTM signals engine for sales teams. Automate warm outbound with AI. | Summer 2022 | 5 | Active |
| Penguin AI | AI Sales Rep for Website Intent Signals | Summer 2022 | 3 | Inactive |
| Saleswhale | Saleswhale is an automated sales assistant that follows up with your… | Summer 2016 | 23 | Acquired |
| Enable Us | Digital Sales Rooms (Acquired by MindTickle) | Winter 2021 | 14 | Acquired |
Is Manatee still active?
Manatee 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 Manatee. They are then ranked on how closely their own description overlaps with Manatee's, so the closest matches come first rather than whoever happens to share a tag.