Beancount github.com ↗

BLIK ↗Finance & payments

A Polish mobile payment system.

FreeTaxUSA ↗Finance & payments

A US online tax filing service.

Aiwyn Tax connector ↗Finance & payments

A Claude marketplace connector that uses a tax engine to back and correct Claude's tax calculations.

FedNow ↗Finance & payments

The US Federal Reserve's instant payment and settlement service.

ParkMobile ↗Finance & payments

A parking payment app used across many US cities.

Negative income tax Finance & payments

A tax scheme that pays people with income below a threshold rather than taxing them.

Chaum eCash ↗Finance & payments

David Chaum's blind-signature electronic cash system and its newer revival.

Privacy.com ↗Finance & payments

A service that issues virtual payment cards for online purchases.

Mercury ↗

An online banking service for businesses and individuals.

BLIK ↗

A Polish mobile payment system.

Wise ↗

An online money transfer and multi-currency account service.

Airwallex ↗

Financial platform offering virtual card issuing among other payment services.

Aiwyn Tax connector ↗

A Claude marketplace connector that uses a tax engine to back and correct Claude's tax calculations.

Allica Bank ↗

A UK bank serving small and medium-sized businesses.

Apple Pay ↗

Apple's mobile and online payment service.

CME FedWatch Tool ↗

A CME Group tool showing market-implied probabilities of Fed rate changes.

Chase UK ↗

The UK retail bank of J.P. Morgan.

Chaum eCash ↗

David Chaum's blind-signature electronic cash system and its newer revival.

Current Account Switch Service ↗

A UK service that moves direct debits, balances and incoming payments to a new bank account.

Curve ↗

A card aggregation service that can link to other bank cards.