A Crystal implementation of the Raft consensus algorithm for building distributed systems with strong consistency guarantees.

A Crystal shard for CouchDB — local-first storage backed by SQLite3 that replicates to and from a remote CouchDB server. Inspired by PouchDB.

Build HTML using a crystal DSL

JSON Object Signing and Encryption (JOSE) for Crystal — JWS (signing), JWE (encryption), JWT, and JWKS (key sets), in both compact and JSON serialization, backed by OpenSSL.

Crystal implementation ChaCha20 stream cipher as well as the Poly1305 authenticator and the AEAD mode defined in rfc8439.

Implements the openfeature specification in crystal

Create PDF documents in crystal using libhpdf / libharu

Access the keycloak admin API from Crystal

OIDC client for crystal

A simple http router for crystal

Scoped key-value store for each `Fiber` instance

A focused and fast library to gather memory, cpu, network, load avg and disk information

find stuff in binary content

direct access to the sparse bundle format using golang

CodeKata to implement an interval merge in golang.

List linux block devices in Go

Docker container for cyrus-imap 3.x based on alpine

Open DOS bitmap font (MZ file format, PSF)