Portalform alternatives
TL;DR: 12 companies doing similar work to Portalform in B2B, ranked by how closely they match what Portalform 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 Portalform. They are scored on how closely their own description overlaps with Portalform's, and all facts shown come from the YC company records — nothing is estimated.
What are the best alternatives to Portalform?
| Alternative | What it does | Batch | Team | Status |
|---|---|---|---|---|
| Compose | We make it easy to run databases. PostgreSQL, Redis, MongoDB,… | Summer 2011 | 51 | Acquired |
| Riften | Earned intelligence for every company | Summer 2026 | 5 | Active |
| Caution | Hosting platform for software you can't afford to have hacked | Summer 2026 | 5 | Active |
| Mirrors | Fix your AI agent's errors at runtime, so they never happen twice | Fall 2026 | 2 | Active |
| AppHarbor | .NET Cloud Platform as a Service | Winter 2011 | 1 | Inactive |
| Codag | The AI gateway for cheaper, faster, permissioned agents. | Summer 2026 | 1 | Active |
| Fithub | — | Winter 2010 | — | Inactive |
| Insoshi | — | Winter 2008 | — | Inactive |
| Brace | Backlift allows front-end only developers to build entire websites… | Winter 2012 | — | Inactive |
| Bryel | Devin for AI Research Engineering | Fall 2026 | 2 | Active |
| Versori | Agentic integrations & automations for enterprise | Winter 2023 | 16 | Acquired |
| Firebase | Build and grow iOS, Android, and Web apps. | Summer 2011 | 500 | Acquired |
Is Portalform still active?
Portalform 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 Portalform. They are then ranked on how closely their own description overlaps with Portalform's, so the closest matches come first rather than whoever happens to share a tag.