To get the latest snapshot (and probably unstable) release, just add a dependency to it in your pom.xml
<dependency>
<groupId>net.sf.tacos</groupId>
<artifactId>tacos-seam-core</artifactId>
<version>0.0.1-SNAPSHOT</version>
</dependency>
The snapshots can be downloaded from the Tacos nightly repository:
<repository>
<id>tacos-nightly</id>
<name>Tacos Nightly Repo</name>
<url>http://tacos.sourceforge.net/nightly/</url>
</repository>