Free tools, built in the open.
No accounts. No paywalls. Nothing tracking you. The web tools run in your browser. Desktop apps ship as signed downloads, and the code gets talked through right here.
NEO-LR risk flag
web · liveAn options-trade risk model trained on 550 real Schwab trades. Full metrics, the confusion matrix, and a live demo. It barely beats the base rate, and the page says so.
Open the model →Buyback ledger
web · liveEvery $BASED buyback with its on-chain receipt. A running total, per-swap rows, and one click out to Solscan.
Open the ledger →Crypto starter
web · liveFirst wallet to first swap, taught the way it gets taught in person. Plain words, no jargon, nothing to buy.
Start learning →Dev resources
web · liveThe contract, the APIs, and step-by-step ways to verify the numbers yourself or build on top.
Open resources →Coinpurse, the money manager
mac · webLocal-first personal finance. Your data never leaves your device. Free Mac app, plus an installable web app for Windows, Linux, and phones. No account, no cloud.
Open coinpurse →Money manager
in buildThe next piece of the money manager, built in the open. Free, no account, your data stays on your machine. Build notes and code snippets land on this page as it ships.