TL;DR: If you are replacing Remora, the closest options are Boost Biomes, Phykos, 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 Remora (YC Winter 2021).
Last verified:
The three closest alternatives to Remora are:
| Alternative | What it does | Stage | Team | Status |
|---|---|---|---|---|
| Boost Biomes | — | YC Summer 2019 | 12 | Inactive |
| Phykos | Growing seaweed to stabilize the climate. | YC Summer 2021 | 2 | Active |
| ThereCraft | — | YC Summer 2017 | 1 | Active |
| Hermes Robotics | Autonomous street sweeping as a service by retro-fitting vehicles | YC Winter 2021 | 5 | Active |
| Seabound | Carbon capture equipment for ships | YC Winter 2022 | 18 | Active |
| Dipole Labs | AI-controlled optical switching for AI clusters | YC Summer 2026 | — | Active |
| lvl5 | HD maps for self-driving cars. | YC Winter 2017 | 6 | Acquired |
| Helion Energy | Building the world's first fusion power plant | YC Summer 2014 | 150 | Active |
| Atum Works | Gigascale Nanomanufacturing | YC Spring 2025 | 3 | Active |
| Micro Meat | Technologies for scaling up cultured/clean meat production | YC Summer 2021 | — | Inactive |
| AirMyne | Building systems to remove carbon dioxide from air at industrial scale | YC Winter 2022 | 11 | Active |
| Meteoric | Drones that clear clouds over solar farms and weaken hurricanes | YC Summer 2026 | 2 | Active |
It depends on your size. Boost Biomes is the closest match on what Remora 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.
Remora 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 Remora 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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