OptionParser crystal-lang.org

command-line options processing (Crystal stdlib)

FoxIt Reader (by ptrex) autoitscript.com

OpenSSL crystal-lang.org

bindings to libssl (Crystal stdlib)

Real Vista Aero Glass (by James) autoitscript.com

OAuth2 crystal-lang.org

OAuth2 client (Crystal stdlib)

Registry (by engine) autoitscript.com

Progressbar with GDIplus (by ProgAndy) autoitscript.com

OAuth crystal-lang.org

OAuth consumer (Crystal stdlib)

Local account (by engine) autoitscript.com

Log crystal-lang.org

logging utility (Crystal stdlib)

Printing (by GRS) autoitscript.com

JSON crystal-lang.org

parsing and generating JSON documents (Crystal stdlib)

ZIP (by torels) autoitscript.com

INI crystal-lang.org

INI file parser (Crystal stdlib)

HTTP::WebSocket crystal-lang.org

HTTP WebSocket client (Crystal stdlib)

HTTP::Server crystal-lang.org

HTTP server (Crystal stdlib)

SetOnEvent (by martin) autoitscript.com

HTTP::Client crystal-lang.org

HTTP client (Crystal stdlib)

Webcam (by ludocus) autoitscript.com

SNMP - MIB protocol (by ptrex) autoitscript.com

ECR (Embedded Crystal) crystal-lang.org

compile time template language which uses plain crystal expressions (Crystal stdlib)

iTunes (by torels) autoitscript.com

Zlib crystal-lang.org

readers and writers of zlib format (Crystal stdlib)

IrrLicht (by A. Percy) autoitscript.com

Zip crystal-lang.org

readers and writers of zip format (Crystal stdlib)

Webcam (by LIMITER) autoitscript.com

Gzip crystal-lang.org

readers and writers of gzip format (Crystal stdlib)

POP3 SSL (by Fox2) autoitscript.com

PixelGetColor (by Manadar) autoitscript.com

CSV crystal-lang.org

parsing and generating for comma-separated values (Crystal stdlib)

Opera (by MrCreatoR) autoitscript.com

UPnP Protocol (by ptrex) autoitscript.com

cpf_cnpj codeberg.org

Provide utilities for validating and formatting CPF and CNPJ identifiers

DDEML (by doudou) autoitscript.com

carc.in carc.in

A web service that runs your code and displays the result

WinPcap (by JRSmile) autoitscript.com

br.crystal-lang.org br.crystal-lang.org

Brazilian

MS SQL (by ChrisL) autoitscript.com

language-crystal-actual atom.io

Crystal language support in Atom

SciLexer (by Kip) autoitscript.com

Resources (by Zedna) autoitscript.com

Printer controller (by martin) autoitscript.com

ACL (by ptrex) autoitscript.com

OCR (by ptrex) autoitscript.com

Registry (by seanhart) autoitscript.com

Microsoft Office PowerPoint (by Toady) autoitscript.com

Zip plugin (by eltorro) autoitscript.com

IRC (by McGod) autoitscript.com

crystal-tools atom.io

Enables built in tools in Crystal compiler

PDFCreator (by ptrex) autoitscript.com