Colloquy is an advanced IRC & SILC client which aims to fill a void left by unglamorous clients. By adhering to OS X interface conventions, Colloquy has the look and feel of a quality Mac application.

Features:

• AppleScript: A powerful dictionary for easy scripting.
• Fast & Solid IRC Core: Powered by the Irssi engine.
• Fast & Solid SILC Core: Powered by the SILC Toolkit.
• Plug-In Love: Unlimited extensability through Plug-Ins.
• Tight Ship: IRC over SSL for the paranoia.
• Styled For You: Pick the look for your conversations, powered by WebKit.
• Colors of the World: Fully compatible with mIRC colors.
• Unintrusive Interface: Sleek multi- or single-window modes with tabs or a drawer.
• File Transfer Medly: Full DCC transfer support with resume and passive DCC.
• They're Your Buddies: A buddy list for your IRC friends.
• Multiplicity: The freedom to chat on multiple servers.
• Open Minded: Open source, like it should be.
• Much, Much More! Just a better experience all-around.