FreeTaxUSA

Aiwyn Tax connector ↗Finance & payments

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

Long-Term Stock Exchange ↗Finance & payments

A US stock exchange whose listing standards are aimed at companies focused on long-term value.

Airwallex Finance & payments

Financial platform offering virtual card issuing among other payment services.

Buhl Data Finance & payments

A German company making tax return software with live refund estimates.

Patreon Finance & payments

A membership platform for funding creators.

BLIK ↗Finance & payments

A Polish mobile payment system.

Mercury Finance & payments

An online banking service for businesses and individuals.

Stripe Issuing ↗Finance & payments

Stripe's API for programmatically issuing and controlling payment cards.

BLIK ↗

A Polish mobile payment system.

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.

Cake Wallet

A non-custodial cryptocurrency wallet app.

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.

Fact Graph ↗

The IRS's open-sourced tax logic knowledge graph from the Direct File program.

First Direct

A UK bank offering phone and online banking.

Hyperliquid

A crypto exchange offering perpetual futures, including contracts tracking stock indices.