Stablecoin FX & cross-border settlement. · building in crypto since 2015.
I open-source the products and tools I build. Everything below is production-grade and self-hostable — extracted from real, shipped products, stripped of proprietary branding and credentials, and released under MIT.
𝕏 @Josh_Gier · in LinkedIn
💳 blueballs — Open-source infrastructure for launching your own stablecoin-powered card and payments stack. Self-hostable, non-custodial, and built for real-world spending with stablecoin FX and settlement. Powers blueballs.tech.
🐝 buzz — My fork of Block's Buzz with Preview Studio: live, responsive previews and local review for agent-built work. Build a website, app, deck, image, or video and see what you're creating as you create it.
📑 docshare — A self-hosted DocSend alternative: upload decks, add Loom-style per-slide narration, share trackable links, and see exactly which pages each viewer read.
🔗 linkhub — A self-hosted team link-in-bio: branded profiles, canvas QR codes, Apple & Google Wallet cards, and your own geo analytics.
📈 prediction-fx-terminal — A self-custodial web + Telegram terminal: best-rate stablecoin FX, DeFi yield, P2P fiat ramp, and prediction markets.
📊 stablecoin-intelligence — An open-source research hub for 500+ stablecoins: A–D safety grades, reserve transparency, FX corridors, and news — plus a free public API and an MCP server so AI assistants can query graded, live data.
Cross-currency, stablecoins, and on-chain settlement
💳 blueballs — Open-source infrastructure for launching your own stablecoin-powered card and payments stack. Self-hostable, non-custodial, and built for real-world spending with stablecoin FX and settlement. Powers blueballs.tech.
📊 stablecoin-intelligence — Open-source stablecoin intelligence: 500+ coins graded A–D on reserves, backing, and peg health, with FX corridors, news, a free public API, and an MCP AI tool server.
💸 stablecoin-payroll — A multi-tenant EOR + payroll platform: pay distributed teams in stablecoins with authoritative Malaysia & Singapore statutory compliance.
📲 tg-dex-miniapp — A Telegram Mini App for cross-border stablecoin FX: an embedded wallet, swaps, P2P money-changing, and send-by-@username — no downloads.
📈 prediction-fx-terminal — Self-custodial FX + prediction-market trading, web and Telegram, in one wallet.
Self-hostable starters extracted from real products. Rebrand and deploy.
📑 docshare — DocSend-style deck sharing: upload PDF/PPTX, per-slide video narration, multi-link password/expiry controls, per-page analytics.
🔗 linkhub — Team link-in-bio with branded QR codes, Apple/Google Wallet passes, and self-hosted click + geo analytics.
🚀 launch-board — A rebrandable Product-Hunt-style launch board: submit, search, and upvote, with a pluggable Supabase / REST backend.
🪪 creator-storefront — A creator-economy marketplace: profiles, bookable services, and a fan-token economy with live portfolio P&L.
🏅 ambassador-kit — Run a community ambassador program: auditable XP from real X / Telegram activity, leaderboards, badges, and perks.
🕸️ network-graph — An interactive D3 graph that maps who-knows-who and traces the shortest intro path between any two people.
🐋 whale-tracker — A self-hostable dashboard for a live feed of large on-chain transactions — one-file rebrand, pluggable data provider.