TL;DR: If you are replacing Arc, the closest options are ThereCraft, Earendil Robotics, Volansi. 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 Arc (YC Summer 2012).
Last verified:
The three closest alternatives to Arc are:
| Alternative | What it does | Stage | Team | Status |
|---|---|---|---|---|
| ThereCraft | — | YC Summer 2017 | 1 | Active |
| Earendil Robotics | Drone swarm defence at a small-unit level | YC Summer 2026 | 7 | Active |
| Volansi | Autonomous VTOL delivery solutions. | YC Winter 2017 | 85 | Acquired |
| Aerones | Robotics for wind turbine maintenance. | YC Winter 2018 | 250 | Active |
| Airware | Airware provides end-to-end solutions that enable enterprises to… | YC Winter 2013 | 51 | Inactive |
| Skyways | Creating a new form of air transportation to advance our civilization | YC Summer 2017 | 33 | Active |
| Corvus Robotics | Autonomous drones to help warehouses scan inventory. | YC Summer 2018 | 30 | Active |
| Lucid Bots | We build robots for dull, dirty, and dangerous jobs. | YC Summer 2019 | 26 | Active |
| Guardian RF | Drone detection for US defense and national security | YC Summer 2024 | 15 | Active |
| Terravion | Real time Google Earth for agriculture -- imagery collected weekly… | YC Winter 2014 | 11 | Inactive |
| Theseus | GPS Denied Navigation for Drones | YC Summer 2024 | 7 | Active |
| Ornadyne | We're building robot birds for surveillance. | YC Spring 2026 | 4 | Active |
It depends on your size. ThereCraft is the closest match on what Arc 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.
Arc is no longer listed as active, so anyone still relying on it should plan a migration to one of the alternatives above.
Every company here is Y Combinator-backed and was matched to Arc 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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