Coinperps
Real-time crypto derivatives data & market analytics
What it does
Get real-time analytics on crypto futures, perpetual contracts, funding rates, and more with Coinperps. Inform your trades with live market data.
Does a similar job
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damonstats — Crypto Derivatives DataJun 2026 · damonstats.com · ▲3Real-time crypto futures data across 11 exchanges.
More growth this month
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Launched alongside, June 2025
the whole month →- IM
Hey HN! Pilots everywhere are required to keep a logbook of all their flying hours, aircraft, airports, and so on. Since I track everything digitally (some people still just use paper logbooks!), I put together some data visualizations and a few 3D globes to show my flying history. This globe is probably my favourite so far: https://jameshard.ing/pilot/globes/all If you’ve got ideas for other graphs or ways to show this kind of data, I’d love to hear them!
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Stunning presentations with AI. No design skills required.
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Build native mobile apps for iOS and Android without code.
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All your connections, across all your socials.
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- WC
I was the main contributor to workout.lol, an open-source fitness app to easily build a workout routine. The project had traction (1.4k GitHub stars, 95 forks, ~20K visits/month), but was eventually sold due to video licensing hurdles. The new owner stopped maintaining it, and the repo went abandoned. Over the next 9 months, I sent 15 emails to try to save it : no replies. Feature requests & issues were ignored. The community was left with a "broken" tool let's say. I couldn't just let it die So I built the new version from scratch with the same open-source spirit, but a better…
Dev tools · 2025 · github.com