QuestDB alternatives
TL;DR: 12 companies doing similar work to QuestDB in B2B, ranked by how closely they match what QuestDB 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 QuestDB. They are scored on how closely their own description overlaps with QuestDB's, and all facts shown come from the YC company records — nothing is estimated.
What are the best alternatives to QuestDB?
| Alternative | What it does | Batch | Team | Status |
|---|---|---|---|---|
| Fithub | — | Winter 2010 | — | Inactive |
| Insoshi | — | Winter 2008 | — | Inactive |
| Bryel | Devin for AI Research Engineering | Fall 2026 | 2 | Active |
| Chartio | Chartio is changing how companies work by building the best… | Summer 2010 | 40 | Acquired |
| Ardent | Database sandboxes for Agents | Spring 2026 | 3 | Active |
| Magma | Monetize your agent's traces. | Summer 2026 | 1 | Active |
| primitive | communication for agents | Spring 2026 | 4 | Active |
| Hub | Real-world training data for frontier AI labs and robotics. | Spring 2026 | 10 | Active |
| PhoneSys | The Phone System for Sales Teams. | Summer 2011 | 4 | Inactive |
| Convox | Open-source tools for deploying, managing, and monitoring cloud… | Summer 2015 | 3 | Acquired |
| Memorable | reducing agent reasoning into a graph search problem | Summer 2027 | 2 | Active |
| GoScale | Dynamical Scaling Virtual Machines as a Service | Summer 2012 | 2 | Inactive |
Is QuestDB still active?
QuestDB 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 QuestDB. They are then ranked on how closely their own description overlaps with QuestDB's, so the closest matches come first rather than whoever happens to share a tag.