TL;DR: If you are replacing Turnstone, the closest options are Operand, Plutis, Demospace. 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 Turnstone (YC Winter 2026).
Last verified:
The three closest alternatives to Turnstone are:
| Alternative | What it does | Stage | Team | Status |
|---|---|---|---|---|
| Operand | — | YC Winter 2025 | 8 | Active |
| Plutis | — | YC Winter 2023 | 2 | Active |
| Demospace | — | YC Winter 2023 | 2 | Inactive |
| Hey Healthcare | — | YC Summer 2019 | 1 | Inactive |
| Iron Leap | Enteprise AI | YC Winter 2022 | 5 | Active |
| Overeasy | — | YC Summer 2024 | 2 | Active |
| Kestroll | — | YC Summer 2025 | 2 | Active |
| Terrasoft | — | YC Winter 2020 | — | Active |
| Moonshine | Extending AI to interact with the real world | YC Fall 2024 | 2 | Active |
| Trelium | The Agent to Build Your Agents | YC Fall 2025 | 6 | Active |
| MadeThis | The autonomous business platform | YC Fall 2025 | 3 | Active |
| Olive | — | YC Winter 2025 | 2 | Active |
It depends on your size. Operand is the closest match on what Turnstone 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.
Turnstone 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 Turnstone 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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