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Echo, an iOS SSH+mosh client built on Ghostty

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HN · launched Feb 18, 2026 · 122 upvotes (top 9%) · 1 view

Niche: mobile developer and terminal clients · 57 launches, 4 in the last 7 days ▼ -43% · Explore this niche →

Category and tags

  • Horizontal
  • Dev tools
  • Developer
  • Not AI
  • Commercial product

Visit website ↗ Source listing ↗

Could you build this?

No Creating a high-performance native iOS terminal client supporting SSH, Mosh UDP state sync, and Metal-accelerated terminal rendering is an advanced systems-programming effort.

What it would actually take: Requires building an iOS app with Swift and Metal to embed the Zig-based Ghostty terminal engine via C-FFI. It requires low-level networking implementations of libssh2 and the Mosh protocol (SSP state synchronization over UDP), along with custom mobile virtual keyboard input and iOS background execution handlers. Deep expertise in graphics rendering engines, C/Zig cross-compilation for iOS, and network protocol engineering is essential.

Discussion

20 comments analyzed.

Competitors mentioned: Termius, Ghostty, ttyd

Concerns raised: Only works on iOS 16 (not older devices), Doesn't support ETM MAC algorithms for hardened NixOS sshd, Mosh sessions don't resume as expected, requires new session each time, SSH certificate authentication advertised but CA configuration missing, Keyboard handling on iOS is difficult

Feature requests: SSH jump host / ProxyJump support, Agent forwarding support, Sync saved connections to iCloud across devices, Support additional MAC algorithms, Scroll up/down functionality in UI

Competitors

Other products that read as similar to this one : 2365 launches clear the similarity bar, closest 8 shown.

Attention rank: #208 of 2366 (itself plus its competitors, highest first, normalized so YC and Product Hunt are compared fairly).

Launched 110 days after the earliest competitor.

The niche, labels, vibe code rating and competitor comparison on this page are analysis by Nicheloom. If you use them, please credit nicheloom.com. How you may use our data.