Tink is a multi-language, cross-platform, open source library that provides cryptographic APIs that are secure, easy to use correctly, and hard(er) to misuse.

A tool for mocking HTTP services

A library for working with Bitcoin

CrateDB is a distributed and scalable SQL database for storing and analyzing massive amounts of data in near real-time, even with complex queries. It is PostgreSQL-compatible, and based on Lucene.

Desktop Bitcoin Wallet focused on security and privacy. Free and open source.

Testsigma is an agentic test automation platform powered by AI-coworkers that work alongside QA teams to simplify testing, accelerate releases and improve quality across web, mobile, desktop, API, …

IMAP and POP3 email importer for Elasticsearch (no river anymore)