Mycelium

Launch ephemeral AWS EC2 instances in 2 minutes

Free, open-source CLI tools for developers who value simplicity and cost control

Install CLI View on GitHub

✅ 100% Free & Open Source • You only pay AWS for compute time (~$0.01/hr for small instances)

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Truffle

Find and discover instance types, check Spot prices, manage quotas

No AWS account needed
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Spawn

Launch instances in 2 minutes with interactive wizard or CLI

Auto-termination
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Spored

Monitor automatically with TTL, idle detection, and hibernation

Laptop-independent

Quick Start

# Install via Homebrew
brew install scttfrdmn/tap/truffle
brew install scttfrdmn/tap/spawn

# Launch your first instance
spawn
# Install via Scoop
scoop bucket add scttfrdmn https://github.com/scttfrdmn/scoop-bucket
scoop install truffle
scoop install spawn

# Launch your first instance
spawn
# Download from GitHub releases
# https://github.com/scttfrdmn/mycelium/releases/latest

# Extract and run
tar -xzf spawn_*_$(uname -s)_$(uname -m).tar.gz
./spawn

Why Mycelium?

✓ 2-Minute Setup - From zero to instance instantly
✓ No Surprise Bills - Auto-termination with TTL
✓ Cross-Platform - Windows, macOS, Linux
✓ GPU Support - Auto-detects GPU-enabled AMIs
✓ Hibernation - Save 99% costs when idle
✓ Multilingual - 6 languages supported

📊 Also Available: Web Dashboard

Prefer a GUI? Monitor your instances from any browser

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Real-Time Monitoring

View all your instances across regions

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TTL Tracking

See exactly when instances will terminate

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Secure OAuth

Sign in with Google, GitHub, or Globus

Common Use Cases

💰 Cheapest Dev Box

truffle spot "t3.*" --sort-by-price --pick-first | spawn --ttl 8h
# Cost: ~$0.01/hr • Auto-terminates after 8h

🎮 GPU Training

truffle capacity --instance-types g5.xlarge | spawn --ttl 24h --hibernate-on-idle
# Auto-hibernates when idle • Saves 99% cost

🌍 Multi-Language Support

spawn --lang es    # Spanish
spawn --lang ja    # Japanese
spawn --lang fr    # French