These are release versions on Mac, Linux and Windows. Go here for a free lifetime account at FICS. It is arguably the world's oldest chess server decending from the original ICS server dating to 92 or earlier.
PearlChess1.1.1.dmg is our free signed installer on Mac. Just run and drag Lantern to the Applications folder. Works on both modern and older Macs. 95 Meg
On Windows it is recommended to get Pearl from the Microsoft Store in order to get updates.
Pearl-1.1.1.msi is the direct installer though this is less frequently downloaded. Updated Oct 23, 2023. 64 bit and 105 Meg
For Linux PearlChess1.1.jar . Runs with back to Java 8 or modern. Download is one file, free and GPL. Make it executable and launch it with java. If jar is extracted, it contains full source for this build. For full source control see github link bottom of this page. 31 Meg
This can also be used on Mac and Windows for users with Java installed who want a smaller download. It does not come with Stockfish bundled.
pearl_1.0-1_amd64.deb is our Debian intaller for Linux, 62 Meg. It doesn't create a short cut, and the app has to be run by typing its name, Pearl. Or a short cut has to be created. Java won't need to be installed as it comes with an app run time. Double click to run it from Downloads folder.

Resuming games now supported and variant support now for all variants including crazyhouse, except bughouse. In wild fr, fischer random, the user must type castle moves, oo or ooo, in console.
The App includes Stockfish Engine Analysis when examining finished games or observing games, an opening explorer, a toolbar for easy access to both, game logging, open game log files, a seek graph and is highly customizable allowing any color to be set or a wallpaper used.
lanternbugs at gmail for support
This is a version of Lantern, a former ICC interface for chat and play, that will run on FICS. Pearl is GPL. Our git repo is https://sourceforge.net/projects/lantern-pearl/
krell created the Debian installer and adcool made the icon.