Alacritty Supports macOS Windows and Linux | Generated by AI

Home 2026.05

Yes, Alacritty is cross-platform. Evidence from the codebase:

  1. Self-described in Cargo.toml and the man page: “A fast, cross-platform, OpenGL terminal emulator”

  2. Three platform targets in the code via #[cfg(...)]:
    • target_os = "macos" — native macOS (Cocoa, Metal/OpenGL)
    • windows — Windows (ConPTY)
    • Linux/Unix with two display backends:
      • feature = "x11" — X11
      • feature = "wayland" — Wayland
  3. TTY layer has platform-specific implementations:
    • tty/unix.rs — macOS + Linux (pty via posix_openpt)
    • tty/windows/mod.rs + conpty.rs — Windows ConPTY
  4. Font defaults are per-platform (font.rs:105-110):
    • macOS: Menlo
    • Windows: Consolas
    • Linux: monospace

  5. Display server selection in main.rs:12-25:

    #[cfg(not(any(feature = "x11", feature = "wayland", target_os = "macos", windows)))]
compile_error!("...");  // won't compile without at least one platform

So it supports macOS, Windows, and Linux (X11 or Wayland).

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