Open Source

We open source components for Bitcoin payments, accounting, event sourcing, reliability infrastructure, and more, so builders can inspect, adapt, and reuse them.

Selected Projects

es-entity

Event sourcingPostgreSQLRust

A framework for persisting event-sourced entities in PostgreSQL. It makes event sourcing possible and practical throughout your whole system.

cala

Accounting LedgerRust

A double-entry accounting ledger for high-throughput financial applications. It is strongly typed, SQL-backed, and designed so balances reconcile every time.

job

ReliabilityBackground jobsRust

A durable background job runner backed by PostgreSQL. It schedules and retries asynchronous work with the same transactional safety as the rest of the system.

obix

ReliabilityMessagingRust

Outbox and inbox patterns implemented in Rust. It makes message passing between services reliable, solving a problem that every event-driven system eventually runs into.

bria

Bitcoin paymentsWallet infrastructureRust

Wallet infrastructure for services that move on-chain Bitcoin at scale. It handles UTXO management, transaction batching, fee estimation, and signing behind a clean API.

stablesats-rs

StablecoinsHedgingRust

Stablesats infrastructure that lets Bitcoin deposits hold USD-denominated value. It calculates target liabilities from ledger activity and hedges exposure through exchange integrations.

Find more

Explore the full GitHub organization for more libraries, services, and examples.