Because Android 3.0 was never officially released as open-source in its entirety (Google held it back until 4.0 Ice Cream Sandwich), finding stable, standalone ROMs can be a bit of a scavenger hunt. Your best bets are legacy archives: XDA Forums:

Do not just search "Android 3.0 Honeycomb ROM download" and click the first link. Most results are malware. You need:

Here is a look at the reality of downloading Android 3.0 Honeycomb ROMs today, categorized by what you might be looking for.

A new developer framework that allowed apps to have multi-pane layouts (e.g., seeing an email list and the message body side-by-side). Redesigned Recent Apps:

Google did not release the full source code until Android 4.0 Ice Cream Sandwich arrived.

Android 3.0 Honeycomb Rom Download Fix-

Do not just search "Android 3.0 Honeycomb ROM download" and click the first link. Most results are malware. You need: Android 3.0 Honeycomb Rom Download-

Here is a look at the reality of downloading Android 3.0 Honeycomb ROMs today, categorized by what you might be looking for. Because Android 3

A new developer framework that allowed apps to have multi-pane layouts (e.g., seeing an email list and the message body side-by-side). Redesigned Recent Apps: You need: Here is a look at the

Google did not release the full source code until Android 4.0 Ice Cream Sandwich arrived.