TellFi alternatives
TL;DR: 12 companies doing similar work to TellFi in B2B, ranked by how closely they match what TellFi 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 TellFi. They are scored on how closely their own description overlaps with TellFi's, and all facts shown come from the YC company records — nothing is estimated.
What are the best alternatives to TellFi?
| Alternative | What it does | Batch | Team | Status |
|---|---|---|---|---|
| Acunote | — | Winter 2011 | — | Active |
| Snapboard | — | Winter 2020 | 2 | Inactive |
| Insoshi | — | Winter 2008 | — | Inactive |
| Thinkature | — | Summer 2006 | — | Inactive |
| ZumoDrive | Media in the cloud | Summer 2007 | 15 | Acquired |
| Fithub | — | Winter 2010 | — | Inactive |
| Post.fm | New email inbox. | Summer 2010 | — | Inactive |
| Team Apart | — | Summer 2008 | 2 | Inactive |
| Retool | Build internal tools fast. | Winter 2017 | 300 | Active |
| ZeroMailer | Easy mailing lists | Summer 2012 | 2 | Acquired |
| Vimcal | The world's fastest calendar, beautifully designed for remote teams. | Summer 2018 | 9 | Active |
| Emailio | Email built for wellness | Winter 2014 | 5 | Active |
Is TellFi still active?
TellFi is no longer listed as active, so anyone still relying on it should plan a migration to one of the alternatives above.
How was this list put together?
Every company here is Y Combinator-backed and shares at least one category with TellFi. They are then ranked on how closely their own description overlaps with TellFi's, so the closest matches come first rather than whoever happens to share a tag.