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BLOG can run on all operating systems that support Java. The minimal requirement is Java 1.6 or higher. BLOG interactive shell and debugger require scala 2.10.4 or above.

Stable Release

Release notes.

Previous Versions

Latest Development Snapshot

You may download the latest development Zip File

You may also view the latest development from Github

Tools

License

BLOG system is released under the BSD license:

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND 
CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, 
INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 
MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 
DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR 
CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 
BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 
HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE 
OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

Copyright (c) 2005, 2006, 2012, 2013, 2014 Regents of the University of California. Copyright (c) 2007, 2008, Massachusetts Institute of Technology. All rights reserved.

Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:

Redistributions of source code must retain the above copyright 
notice, this list of conditions and the following disclaimer.
Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer 
in the documentation and/or other materials provided with the distribution.
Neither the name of the University of California, Berkeley nor 
the names of its contributors may be used to endorse or promote 
products derived from this software without specific prior written permission.

The BLOG system also includes several pieces of third-party software: A modified version of the CUP v0.11b parser generator; a modified version of the JFLex 1.6.0 lexical analyzer generator; the JAMA 1.0.3 matrix package; the JUnit 4.10 unit testing framework; and Google Json library. These third-party packages have their own open-source licenses.