Async alternatives
TL;DR: 12 companies doing similar work to Async in B2B, ranked by how closely they match what Async actually does — not just by category.
How this list was built: every company here is Y Combinator-backed and shares at least one category with Async. They are scored on how closely their own description overlaps with Async's, and all facts shown come from the YC company records — nothing is estimated.
What are the best alternatives to Async?
| Alternative | What it does | Batch | Team | Status |
|---|---|---|---|---|
| Fithub | — | Winter 2010 | — | Inactive |
| Insoshi | — | Winter 2008 | — | Inactive |
| Optilly/Installmonetizer | Fb ad optimization platform | Winter 2012 | 11 | Inactive |
| Brushes | iPad drawing software. | Summer 2010 | — | Inactive |
| dili | Automating Compliance for Construction | Summer 2023 | 15 | Active |
| inDinero | Financial dashboard for businesses. | Summer 2010 | 250 | Active |
| Citus Data | Real-time. Big data. PostgreSQL | Summer 2011 | 45 | Acquired |
| Bytebot | Bytebot is the open source container for AI desktop agents. | Summer 2021 | 3 | Acquired |
| Amiato | The BI bridge for unstructured data. We automatically bridge the gap… | Winter 2012 | 2 | Acquired |
| Mailwarm | Prevents your emails from landing in spam. | Summer 2020 | 10 | Active |
| Halluminate | Data and RL environments to automate knowledge work | Summer 2025 | 5 | Active |
| Overshoot | AI Infra for real-time vision applications | Winter 2026 | 5 | Active |
Is Async still active?
Async is still operating, so switching is a choice rather than a forced migration. Compare on fit and price rather than urgency.
How was this list put together?
Every company here is Y Combinator-backed and shares at least one category with Async. They are then ranked on how closely their own description overlaps with Async's, so the closest matches come first rather than whoever happens to share a tag.