WhatA standardized protocol and SDK that lets any terminal emulator render inline 3D/2D graphics, enabling developers to build visual CLI tools without building their own terminal.
SignalThe Ratty project demonstrates that developers genuinely want richer visual output in terminals but the ecosystem is fragmented across incompatible protocols (Sixel, Kitty Graphics, now Ratty Graphics Protocol), creating integration pain for tool builders.
Why NowGPU-accelerated terminals (Ghostty, Kitty, Alacritty, WezTerm) are now mainstream, Rust/WebGPU have matured, and the developer tooling market is shifting toward richer CLI experiences after decades of plain text.
MarketDeveloper tooling companies and CLI-first startups pay; ~$5B dev tools TAM; key gap is that Kitty, Sixel, and iTerm protocols are all incompatible with no unifying abstraction layer.
MoatNetwork effects — if enough CLI tools adopt the protocol, terminal emulators must support it, creating a standards-based lock-in similar to LSP for editors.
Ratty – A terminal emulator with inline 3D graphicsView discussion ↗ · Article ↗ · 649 pts · May 11, 2026
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