Powerful HTTP Benchmarking Tool

Example Applications built with Kemal

File attachment toolkit for Crystal apps with pluggable storage backends, metadata extraction, file processing, and a two-stage upload workflow.

Use SQL as first-class Crystal methods

Turn markdown files with frontmatter into queryable, type-safe collections. Parsed at compile time, baked into your binary.

Zero-dependency asset bundler with CSS hot-reloading, fingerprinting, live reload, and a flexible plugin system. Works with Rails, Hanami, or any Rack app.

Cable postgresql backend for Cable.cr

Cable postgresql backend for Cable.cr

Kagi Small Web

SearXNG is a free internet metasearch engine which aggregates results from various search services and databases. Users are neither tracked nor profiled.

🚀2.3x faster than MinIO for 4KB object payloads. RustFS is an open-source, S3-compatible high-performance object storage system supporting migration and coexistence with other S3-compatible platfor…

A modular tool for rendering front-end assets in a cache-able way for backend crystal servers. Import Maps and a little more.

A variable, friendly geometric sans-serif, inspired by newsprint ads from the 1980s.

simple terminal UI for git commands

Write HTML in plain Crystal

Pure-Crystal Redis client, supporting clustering, RedisJSON, RediSearch, RedisGraph, and RedisTimeSeries

Crystal SQL query builder

Manage AppImages with ease 📦

🍯 Simple invisible captcha spam protection for Lucky Framework apps.

Mutation testing for crystal.

A free font that is a tribute to LITT.CHR

MQTT protocol for Crystal

Encrypted attributes for Avram and Lucky Framework

x86-64 os made in crystal

A fancy self-hosted monitoring tool

Authorization for Lucky Crystal Apps

Advanced ORM between PostgreSQL and Crystal

Gardenable group chats in the Atmosphere.