Theora alternatives
TL;DR: 12 companies doing similar work to Theora in B2B, ranked by how closely they match what Theora 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 Theora. They are scored on how closely their own description overlaps with Theora's, and all facts shown come from the YC company records — nothing is estimated.
What are the best alternatives to Theora?
| Alternative | What it does | Batch | Team | Status |
|---|---|---|---|---|
| Fithub | — | Winter 2010 | — | Inactive |
| Insoshi | — | Winter 2008 | — | Inactive |
| Preseen | The AI forecasting company for global macro events. | Summer 2025 | 1 | Active |
| Halluminate | Data and RL environments to automate knowledge work | Summer 2025 | 5 | Active |
| Fulcrum | The agentic debugger for AI systems | Summer 2025 | 2 | Active |
| Varos | AI Business Analysts to gather requirements and optimize processes | Summer 2021 | 9 | Active |
| PromptLoop | AI agents to build B2B datasets | Winter 2022 | 2 | Active |
| Parse | Parse is the easiest way to build apps. | Summer 2011 | 11 | Acquired |
| HypaHub | A Cloud-Based Bioinformatics and AI Platform | Winter 2022 | 6 | Acquired |
| HyperGlue | Business intelligence on text | Winter 2021 | 5 | Acquired |
| Brewit | Conversational data analytics for every team | Winter 2023 | 4 | Acquired |
| Framed Data | Predicted churn for enterprises. (Acquired by Block) | Winter 2014 | 2 | Acquired |
Is Theora still active?
Theora 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 Theora. They are then ranked on how closely their own description overlaps with Theora's, so the closest matches come first rather than whoever happens to share a tag.