TL;DR: If you are replacing Enlightra, the closest options are Boost Biomes, ThereCraft, Dipole Labs. 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 Enlightra (YC Winter 2022).
Last verified:
The three closest alternatives to Enlightra are:
| Alternative | What it does | Stage | Team | Status |
|---|---|---|---|---|
| Boost Biomes | — | YC Summer 2019 | 12 | Inactive |
| ThereCraft | — | YC Summer 2017 | 1 | Active |
| Dipole Labs | AI-controlled optical switching for AI clusters | YC Summer 2026 | — | Active |
| deepsilicon | Software and hardware to run neural networks faster and cheaper | YC Summer 2024 | 2 | Inactive |
| Apollo Atomics, Inc. | We make the most compact nuclear reactors | YC Spring 2026 | — | Active |
| Inversion Space | Turning space into a transportation layer for Earth | YC Summer 2021 | 28 | Active |
| Atum Works | Gigascale Nanomanufacturing | YC Spring 2025 | 3 | Active |
| Rewbi | A stealth mode startup. | YC Summer 2024 | 3 | Active |
| StableBrowse | Building the Data Infrastructure layer for Physical AI. | YC Spring 2026 | 3 | Active |
| Helion Energy | Building the world's first fusion power plant | YC Summer 2014 | 150 | Active |
| CircuitHub | On-Demand Electronics Manufacturing | YC Winter 2012 | 58 | Active |
| Maritime Fusion | Fusion reactors for ships | YC Winter 2025 | 6 | Active |
It depends on your size. Boost Biomes is the closest match on what Enlightra 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.
Enlightra 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 Enlightra 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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