Overflux alternatives
TL;DR: 12 companies doing similar work to Overflux in B2B, ranked by how closely they match what Overflux 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 Overflux. They are scored on how closely their own description overlaps with Overflux's, and all facts shown come from the YC company records — nothing is estimated.
What are the best alternatives to Overflux?
| 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 |
| Citus Data | Real-time. Big data. PostgreSQL | Summer 2011 | 45 | Acquired |
| Overshoot | AI Infra for real-time vision applications | Winter 2026 | 5 | Active |
| Screenleap | One-click screen sharing with installation-free viewing on all devices | Winter 2012 | 4 | Active |
| Marft | Marft creates embeddable machine learning models for application… | Winter 2012 | 3 | Inactive |
| Hipmob | Customer communication for iOS and Android developers - an in-app… | Winter 2012 | 2 | Inactive |
| Sherpa Labs | The AI Data Team | Winter 2025 | 2 | Active |
| Signals | iMessage revenue channel for DTC brands that brings customers back | Winter 2026 | 2 | Active |
| Quotient Labs | Use Claude Code at 47% less cost in one line of installation. | Winter 2026 | 2 | Active |
Is Overflux still active?
Overflux 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 Overflux. They are then ranked on how closely their own description overlaps with Overflux's, so the closest matches come first rather than whoever happens to share a tag.