TL;DR: If you are replacing Silurian, the closest options are Boost Biomes, Maquoketa Research, ThereCraft. The table below compares 12 alternatives on what they do, stage, size and status.
Every alternative below is compared on what it actually does, not just its category — so you can see which one genuinely replaces Silurian (YC Summer 2024).
Last verified:
The three closest alternatives to Silurian are:
| Alternative | What it does | Stage | Team | Status |
|---|---|---|---|---|
| Boost Biomes | — | YC Summer 2019 | 12 | Inactive |
| Maquoketa Research | The intelligence layer for drones | YC Spring 2026 | 5 | Active |
| ThereCraft | — | YC Summer 2017 | 1 | Active |
| StableBrowse | Building the Data Infrastructure layer for Physical AI. | YC Spring 2026 | 3 | Active |
| Iron Grid | Foundational models for risk and quality. | YC Summer 2025 | 2 | Active |
| Enode | Energy Orchestration Platform | YC Winter 2021 | 70 | Active |
| Talos | Predictive maintenance for power infrastructure. | YC Fall 2026 | 3 | Active |
| Apollo Atomics, Inc. | We make the most compact nuclear reactors | YC Spring 2026 | — | Active |
| Modular Science | We're making it easier to do sustainable farming. | YC Summer 2017 | — | Inactive |
| Lambda Robotics | Robotics for AI Infrastructure | YC Fall 2026 | 6 | Active |
| General Instinct | Inference Infrastructure for Physical AI | YC Spring 2026 | 2 | Active |
| Normal | Testing and certifying the hardware of the future | YC Summer 2025 | 2 | Active |
It depends on your size. Boost Biomes is the closest match on what Silurian actually does. If you need something more established, sort the table by team size — larger teams generally mean more support and a longer track record. If budget is the constraint, the earlier-batch companies are usually the ones still competing on price.
Silurian is still operating, so switching is a choice rather than a forced migration. Compare on fit and price rather than urgency.
Every company here is Y Combinator-backed and was matched to Silurian on what it actually does — its own description of its product — rather than on a broad category label. Batch, team size and operating status come from the YC directory and are shown as-is. We do not rank by payment.
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