Chatter alternatives
TL;DR: 12 companies doing similar work to Chatter in B2B, ranked by how closely they match what Chatter 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 Chatter. They are scored on how closely their own description overlaps with Chatter's, and all facts shown come from the YC company records — nothing is estimated.
What are the best alternatives to Chatter?
| Alternative | What it does | Batch | Team | Status |
|---|---|---|---|---|
| Fithub | — | Winter 2010 | — | Inactive |
| Insoshi | — | Winter 2008 | — | Inactive |
| Brushes | iPad drawing software. | Summer 2010 | — | Inactive |
| SolidStage | Sysadmin as a service. We make deploying, configuring, monitoring,… | Winter 2012 | — | Inactive |
| Haystack | Replay real customer journeys against every change before you ship | Summer 2024 | 2 | Active |
| Envariant | Interpretability and reasoning infra for foundation models. | Winter 2026 | 1 | Active |
| Optilly/Installmonetizer | Fb ad optimization platform | Winter 2012 | 11 | Inactive |
| Marft | Marft creates embeddable machine learning models for application… | Winter 2012 | 3 | Inactive |
| Omnara | The Open-Source Alternative to Claude Managed Agents | Summer 2025 | 4 | Active |
| Interstate | Create & Share Product Roadmaps | Summer 2011 | 2 | Inactive |
| Cascade | Distilling Proprietary Intelligence | Winter 2026 | 2 | Active |
| Pixelapse | Github for designers. We automatically keep track of revisions of… | Winter 2012 | — | Inactive |
Is Chatter still active?
Chatter 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 Chatter. They are then ranked on how closely their own description overlaps with Chatter's, so the closest matches come first rather than whoever happens to share a tag.