Oolu alternatives
TL;DR: 12 companies doing similar work to Oolu in Industrials, ranked by how closely they match what Oolu 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 Oolu. They are scored on how closely their own description overlaps with Oolu's, and all facts shown come from the YC company records — nothing is estimated.
What are the best alternatives to Oolu?
| Alternative | What it does | Batch | Team | Status |
|---|---|---|---|---|
| Apollo Atomics, Inc. | We make the most compact nuclear reactors | Spring 2026 | — | Active |
| Enode | Energy Orchestration Platform | Winter 2021 | 70 | Active |
| Rewbi | A stealth mode startup. | Summer 2024 | 3 | Active |
| Atmeto | Building a frontier world model for power | Winter 2023 | 2 | Active |
| 6thSense | Nervous System for Physical AI | Summer 2026 | 4 | Active |
| Prometheus | We use solar and wind power to make zero net carbon electrofuels | Winter 2019 | 25 | Active |
| Maritime Fusion | Fusion reactors for ships | Winter 2025 | 6 | Active |
| OctaPulse | CV and robotics to automate quality inspection in fish farms | Winter 2026 | 2 | Active |
| General Instinct | Inference Infrastructure for Physical AI | Spring 2026 | 2 | Active |
| Zephyr Fusion | Powering tomorrow's industrial revolution in space | Fall 2025 | 2 | Active |
| Astro | The world’s first AI energy developer | Winter 2025 | 1 | Active |
| Terranox AI | The first AI-powered uranium discovery company | Winter 2026 | 2 | Active |
Is Oolu still active?
Oolu has been acquired, which often means pricing, roadmap or support changes. That is the usual reason people start looking at this list.
How was this list put together?
Every company here is Y Combinator-backed and shares at least one category with Oolu. They are then ranked on how closely their own description overlaps with Oolu's, so the closest matches come first rather than whoever happens to share a tag.