TL;DR: If you are replacing Icarus, the closest options are Maquoketa Research, Boost Biomes, 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 Icarus (YC Fall 2025).
Last verified:
The three closest alternatives to Icarus are:
| Alternative | What it does | Stage | Team | Status |
|---|---|---|---|---|
| Maquoketa Research | The intelligence layer for drones | YC Spring 2026 | 5 | Active |
| Boost Biomes | — | YC Summer 2019 | 12 | Inactive |
| ThereCraft | — | YC Summer 2017 | 1 | Active |
| Null Labs | End-to-end Simulation for Defense Autonomy | YC Fall 2025 | 2 | Active |
| Antropi Robotics | Autonomous CNC factories for faster hardware | YC Fall 2026 | — | Active |
| Normal | Testing and certifying the hardware of the future | YC Summer 2025 | 2 | Active |
| Ares Industries | Building low-cost cruise missiles | YC Summer 2024 | 2 | Active |
| Elodin | Unified flight software and hardware for the mission of tomorrow | YC Winter 2024 | 5 | Active |
| Parametric | Physical businesses that run themselves | YC Fall 2025 | 7 | Active |
| Inversion Space | Turning space into a transportation layer for Earth | YC Summer 2021 | 28 | Active |
| Deepnight | Building The Next Generation of Night Vision Devices | YC Winter 2024 | 16 | Active |
| Shone | Shone makes existing cargo ships autonomous through retrofit. | YC Winter 2018 | 8 | Inactive |
It depends on your size. Maquoketa Research is the closest match on what Icarus 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.
Icarus 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 Icarus 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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