Glider alternatives
TL;DR: 12 companies doing similar work to Glider in B2B, ranked by how closely they match what Glider 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 Glider. They are scored on how closely their own description overlaps with Glider's, and all facts shown come from the YC company records — nothing is estimated.
What are the best alternatives to Glider?
| Alternative | What it does | Batch | Team | Status |
|---|---|---|---|---|
| Snapboard | — | Winter 2020 | 2 | Inactive |
| Insoshi | — | Winter 2008 | — | Inactive |
| Thinkature | — | Summer 2006 | — | Inactive |
| Acunote | — | Winter 2011 | — | Active |
| Post.fm | New email inbox. | Summer 2010 | — | Inactive |
| ZumoDrive | Media in the cloud | Summer 2007 | 15 | Acquired |
| Fithub | — | Winter 2010 | — | Inactive |
| Retool | Build internal tools fast. | Winter 2017 | 300 | Active |
| ZeroMailer | Easy mailing lists | Summer 2012 | 2 | Acquired |
| Emailio | Email built for wellness | Winter 2014 | 5 | Active |
| Zapier | The easiest way to automate your work. | Summer 2012 | 700 | Active |
| Fibo | SaaS calendar and messaging for SMBs | Winter 2017 | 15 | Inactive |
Is Glider still active?
Glider 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 Glider. They are then ranked on how closely their own description overlaps with Glider's, so the closest matches come first rather than whoever happens to share a tag.