Built for speed, designed for uncompromisable focus.
YEN connects everything you need into a single CLI experience. No complexity, no fragmentation — just pure productivity. It's your Personal Terminal Experience.
Built on Metal, GPU-accelerated, and generally fast af.
Download for macOS ↓Verify your download: SHA256 checksum
v0.5
The Personal Terminal Experience
$ yen
Welcome to YEN
Your entire world, integrated.
$ yen today
→ Your schedule, tasks, and tools at your fingertips
Trusted by productivity-focused teams at innovative companies
Everything you need, right where you work.
GPU-accelerated rendering, native macOS integration, shell integration, themes, ligatures, and more. YEN brings powerful features together in one place, so you can focus on what matters instead of switching between apps.
Check out the features →$ yen today
Today's schedule:
9:00 AM - Team standup
2:00 PM - Project review
$ yen tasks
Your tasks (3 due today):
→ Review design mockups
→ Update project docs
→ Prepare presentation
$ yen weather
San Francisco: 68°F, sunny
$ yen benchmark
Running performance tests...
RENDERING:
FPS: 60.0 (locked, GPU-accelerated)
Latency: 0.8ms (input to display)
Memory: 42MB (efficient Metal backend)
IO PERFORMANCE:
4x faster than iTerm2 (text reading)
2x faster than Terminal.app (text reading)
Competitive with Alacritty
TECHNICAL SPECS:
GPU-accelerated (Metal)
60 FPS locked rendering
Sub-millisecond input latency
All benchmarks passed
A serious upgrade from Terminal.app.
Built on Metal — Apple's GPU framework — YEN uses your Mac's graphics card to render text instantly. No lag, no stutter, just smooth 60 FPS performance that makes Terminal.app feel slow. On IO benchmarks, YEN reads text 4x faster than iTerm2 and 2x faster than Terminal.app.
GPU-accelerated rendering
Uses your Mac's graphics card instead of the CPU, making everything faster and smoother.
Metal backend
Built on Apple's Metal framework for maximum performance and efficiency on macOS.
Sub-millisecond latency
Input appears on screen in under a millisecond. You type, it responds — instantly.
One interface. Your entire world.
Connect your calendar, tasks, tools, and services. No more switching between apps. Everything you need, accessible instantly from one place.
Integrations (Coming Soon!) →$ yen connect
Connected services:
Calendar
- 3 meetings today, next at 2:00 PM
Task Manager
- 5 tasks due this week
- 12 unread, 3 urgent
Git
- 2 branches ahead, 1 PR ready
$ _
A new way to focus and get things done.
Zero bullshit
No complexity, no configuration hell. YEN works the way you expect. Simple commands, instant results, zero friction.
Everything integrated
Your calendar, tasks, tools, and services — all accessible from one place. Stop switching apps. Start getting things done.
Built for focus
Designed to help you focus. Clean interface, instant responses, no distractions. Just you and your work.