Nextop alternatives
TL;DR: 12 companies doing similar work to Nextop in B2B, ranked by how closely they match what Nextop 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 Nextop. They are scored on how closely their own description overlaps with Nextop's, and all facts shown come from the YC company records — nothing is estimated.
What are the best alternatives to Nextop?
| Alternative | What it does | Batch | Team | Status |
|---|---|---|---|---|
| Fithub | — | Winter 2010 | — | Inactive |
| Insoshi | — | Winter 2008 | — | Inactive |
| Proxino | Javascript proxy. | Summer 2011 | — | Inactive |
| Sherpa Labs | Frontier Data | Winter 2025 | 5 | Active |
| Firebase | Build and grow iOS, Android, and Web apps. | Summer 2011 | 500 | Acquired |
| Documents.Me | Client-side encryption for your devices and the cloud. | Winter 2012 | — | Inactive |
| Magma | Monetize your agent's traces. | Summer 2026 | 1 | Active |
| 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 |
| Cascade | Distilling Proprietary Intelligence | Winter 2026 | 2 | Active |
| Memorable | reducing agent reasoning into a graph search problem | Summer 2027 | 2 | Active |
Is Nextop still active?
Nextop 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 Nextop. They are then ranked on how closely their own description overlaps with Nextop's, so the closest matches come first rather than whoever happens to share a tag.