Information wants to be expensive

Functional, typesafe and well-tested JSON RPC client for Bitcoin, Ethereum and Omni full nodes

An enterprise-grade Java-based, Apache 2.0 licensed Ethereum client https://wiki.hyperledger.org/display/besu

Zero-knowledge virtual machine written in Rust

Hardhat is a development environment to compile, deploy, test, and debug your Ethereum software.

Golang Client for Schema Registry

Command Line Tool for managing Apache Kafka

Interactive Go interpreter and debugger with REPL, Eval, generics and Lisp-like macros

A lightweight stream processing library for Go

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Utilities for interacting with the Ethereum virtual machine

Kafka Streams + Memcached (e.g. AWS ElasticCache) for low-latency in-memory lookups

Functional, typesafe, well-tested and composable streaming blockchain importer, drop-in solution for Kafka ecosystem.

Scala DSL for Unit-Testing Processing Topologies in Kafka Streams

Go compiler for small places. Microcontrollers, WebAssembly (WASM/WASI), and command-line tools. Based on LLVM.

Goka is a compact yet powerful distributed stream processing library for Apache Kafka written in Go.