Kalibrr alternatives
TL;DR: 12 companies doing similar work to Kalibrr in B2B, ranked by how closely they match what Kalibrr 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 Kalibrr. They are scored on how closely their own description overlaps with Kalibrr's, and all facts shown come from the YC company records — nothing is estimated.
What are the best alternatives to Kalibrr?
| Alternative | What it does | Batch | Team | Status |
|---|---|---|---|---|
| Brushes | iPad drawing software. | Summer 2010 | — | Inactive |
| Fithub | — | Winter 2010 | — | Inactive |
| Insoshi | — | Winter 2008 | — | Inactive |
| Zip | The future of B2B spend | Summer 2020 | 500 | Active |
| Seal | All-in-one workspace for companies making regulated products | Summer 2020 | 22 | Active |
| Serve AI | AI for Field Service Enterprises | Summer 2024 | 6 | Active |
| Walter | AI Employee for Manufacturing Operations | Spring 2026 | — | Active |
| SolidStage | Sysadmin as a service. We make deploying, configuring, monitoring,… | Winter 2012 | — | Inactive |
| Smartbase | AI-native ERP for manufacturers | Spring 2026 | 2 | Inactive |
| MarcoPolo | Alibaba for Latin America | Winter 2021 | — | Inactive |
| gaiia | all-in-one operating system (OS) for telcos | Winter 2021 | 100 | Active |
| BookSolid | BookSolid is the opentable for tour operators. | Winter 2012 | — | Inactive |
Is Kalibrr still active?
Kalibrr has been acquired, which often means pricing, roadmap or support changes. That is the usual reason people start looking at this list.
How was this list put together?
Every company here is Y Combinator-backed and shares at least one category with Kalibrr. They are then ranked on how closely their own description overlaps with Kalibrr's, so the closest matches come first rather than whoever happens to share a tag.