TL;DR: If you are replacing Releaf Earth, 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 Releaf Earth (YC Summer 2017).
Last verified:
The three closest alternatives to Releaf Earth 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 |
| Modular Science | We're making it easier to do sustainable farming. | YC Summer 2017 | — | Inactive |
| Enveritas | We verify global supply chains for issues like child slavery and… | YC Summer 2018 | 60 | Active |
| Seabound | Carbon capture equipment for ships | YC Winter 2022 | 18 | Active |
| Micro Meat | Technologies for scaling up cultured/clean meat production | YC Summer 2021 | — | Inactive |
| Inversion Space | Turning space into a transportation layer for Earth | YC Summer 2021 | 28 | Active |
| AirMyne | Building systems to remove carbon dioxide from air at industrial scale | YC Winter 2022 | 11 | Active |
| Genecis Bio | Makes guilt-free plastics from food waste | YC Winter 2020 | 30 | Active |
| Reditus Space | Reusable Satellites | YC Winter 2025 | 12 | Active |
| Carbonfact | Decarbonizing the fashion industry | YC Summer 2021 | 22 | Active |
It depends on your size. Boost Biomes is the closest match on what Releaf Earth 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.
Releaf Earth 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 Releaf Earth 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.
Looking to save on Industrials tools? Browse our vetted lifetime SaaS deals from verified vendors.
Built by LemStudio
Loading interactive view…