FOXYYY

Open data tools for crypto perpetual futures traders. 20 exchanges, 6,800+ symbols, autonomous signals, daily research, and 10 calculators. Built by one person on a $5 VPS. No signup required.

Funding Finder LIVE

Cross-exchange perpetual funding rate scanner. Arbitrage opportunities, divergence ranking, heatmaps, and sentiment.

20 exchanges · ~6,800 perps · 5-min refresh

Funding Signals LIVE

Autonomous hourly cross-venue dislocation alerts. When one exchange pays 10x the median, you know within an hour.

hourly scan · public web feed · Telegram

Funding Research LIVE

Auto-generated daily research blog. Deterministic templating from real data, no LLM, no hallucination.

daily 06:00 UTC · no LLM

30 Boring Patterns €19

Recipe book of production-tested patterns for shipping services with Python + SQLite + systemd. 5 free, 25 paid.

CC BY-SA 4.0 · MIT code · Stripe checkout

Crypto Tools LIVE

10 server-rendered calculators for active perp traders. Funding yield, liquidation, position sizing, and more.

10 calculators · no JS required

Exchange Status LIVE

24h uptime tracker for the 20 perpetual exchanges. Per-venue pages with 5-min bucket history.

20 venues · 288 buckets/24h

Funding Dataset LIVE

Packaged historical funding rate data. Daily rebuilt CSV/SQLite. CC BY 4.0 — use for research, backtesting, ML.

2.58M rows · 95 MB · CC BY 4.0

Solo Dev Kit LIVE

Curated directory of infra resources for solo developers shipping production services on tiny budgets.

35 entries · 8 categories

Email Checker LIVE

Free email deliverability checker. MX, SPF, DKIM, DMARC analysis with score and actionable recommendations.

DNS-based · free API · no signup

stdlib-only CLI for unified cron + systemd timer observability. One command, all your scheduled jobs.

MIT · Python · 0 deps · GitHub