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Ripper

FOUNDER & EDITOR-IN-CHIEF
Built TerminalFeed from scratch as a personal second-monitor dashboard. Turned it into a real-time data platform with 30+ live feeds, a public API, and a growing suite of developer tools. Writes about building products, the state of crypto, and whatever catches his attention on the terminal. Also runs a music label and makes games.
Product Crypto Building Weekly Originals

>_ ARTICLES BY Ripper

PRODUCTIVITYBUILDING
Why Your Second Monitor Should Be a Dashboard, Not a Distraction
Most people waste their second screen on Slack or YouTube. Here's the case for turning it into a live data feed that actually helps you work.
April 7, 2026 · 6 min read
CRYPTOGUIDE
What is the Crypto Fear & Greed Index and How to Actually Use It
Everyone references the Fear and Greed Index. Few people understand how it's calculated or what it actually tells you about the market.
March 2026 · 6 min read
DEVAPIs
30+ Free APIs Every Developer Should Know in 2026
A curated list of free APIs for crypto, weather, news, space, and more. Every one of these powers a live panel on TerminalFeed.
March 2026 · 12 min read
BITCOINTECHNICAL
How to Monitor Bitcoin Network Health: Mempool, Hashrate & Fees Explained
Block height, mempool depth, hashrate, and fee estimates. What each metric means and how to read them without a computer science degree.
March 2026 · 8 min read
BUILDINGSTORY
How I Built a Real-Time Dashboard with 30+ Live Data Feeds
The full story of building TerminalFeed from a blank Next.js project to a live platform with WebSockets, SSE streams, and a Cloudflare Worker backend.
March 2026 · 10 min read
MARKETSGUIDE
Prediction Markets Explained: How to Read Polymarket Odds Like a Pro
Polymarket odds are everywhere now. Here's how prediction markets work, what the percentages actually mean, and how to interpret them.
March 2026 · 7 min read