Buzz vs Cmux
Buzz (Block Open Source) and Cmux (manaflow-ai) side by side on public data, as of Oct 10, 2026.
Buzz has 1.3x the GitHub stars of Cmux (35.8K against 28.1K). Buzz shipped 50 stable releases in the past 90 days. Cmux shipped 9 stable releases in the past 90 days.
Side-by-side numbers
| Metric | Buzz | Cmux |
|---|---|---|
| Gid Score | 43 | 41 |
| Overall rank | #98 | #112 |
| Downloads, last 7 days | — | — |
| Downloads, 7-day change | — | — |
| Downloads, 30-day change | — | — |
| VS Code installs | — | — |
| Marketplace rating | — | — |
| GitHub stars | 35.8K | 28.1K |
| Homebrew installs, 30 days | — | — |
| Hacker News mentions, 30 days | 0 | 0 |
| Latest stable release | 0.5.28 · yesterday | 0.65.0 · 5d ago |
| Stable releases, 90 days | 50 | 9 |
| Terminal-Bench (best run) | — | — |
| Price | Free (OSS) | — |
| License | Apache-2.0 | |
| First released | March 2026 | January 2026 |
| Interfaces | — | — |
| Models |
Trends
BuzzCmux
BuzzCmux
Buzz
Self-hostable workspace from Block where people and AI agents share the same channels; messages, workflows, reviews and Git events are signed events on a relay you own (Nostr).
Pricing: Open source under the Apache-2.0 licence; check the website for any paid hosted plans.
Latest release 0.5.28:
- test(desktop): move CSP guards from Rust to the desktop JS suite (#8172) (5142cf6b2a0f44686eeda1ed07905ee3560fd78e)
- fix(desktop): repair the Windows notification shim's false denial on read (#5600) (99924a5a69200d34f5cc67e9b76748d7ece72705)
- feat: raise hosted community limit to fifty (#8186) (8f66f7051c68560feb27dbc74b069c851bc018bd)
- feat(desktop): browse and moderate every community in the Admin Console (#8027) (836e7d0d06789765b4d98a93c2b509a2a0fbd1bf)
Cmux
Open source Ghostty-based macOS terminal with vertical tabs and notifications for AI coding agents. Built for multitasking, organization, and programmability.
Latest release 0.65.0:
- cmux bundles the ghostty CLI, which contains GNU libintl from gettext 0.24 (LGPL-2.1-or-later). The complete corresponding source and license text are attached to this release.…