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The Open Source Implementation of Google App Engine -- Take your apps everywhere.
Python Go JavaScript HTML PHP CSS Other
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AppController Merge pull request #1707 from obino/service
AppDB fix unit test and catch zk release lock exceptions
AppDashboard remove old dashboard data and add timestamps
AppLoadBalancer merge from main, plus some datastore fixes
AppManager removed secret from args for java appserver
AppServer removed arg from appserver
AppServer_Java fixes from code review
AppTaskQueue fixed issue with binding to private IP
InfrastructureManager code review fixes
SearchService Added commit
XMPPReceiver Fixed nginx issue where it would be fatal, cleaned up ruby code to ma…
debian Merge pull request #1707 from obino/service
lib Replace static version strings with functions
scripts Removing script to clean zookeeper.
.gitignore ignoring .idea files produced by rubymine
LICENSE updated date
LICENSE.UCSB added ucsb license back in Version bumped to 2.3.0
RELEASE updated release notes
Rakefile test framework added
VERSION Version bumped to 2.3.0
Watchfile not having rakefile and watchfile look over neptune dir, since it no … Brokers and initial implementation of bulk add started, more tests. Remove old symlinks in init.d removed paths no longer valid
firewall.conf exposing access to the monit dashboard in the firewall
monitrc clarified comments in monit config files Catch generic exceptions and do not use -9 to bring down appservers

AppScale Logo

AppScale is a platform that allows users to deploy and host their own Google App Engine applications. It executes automatically over Amazon EC2, Google Compute Engine, Digital Ocean, Rackspace, Eucalyptus, CloudStack, OpenStack, as well as Xen, VirtualBox, VMWare, and KVM. It has been developed and is maintained by AppScale Systems, Inc., in Santa Barbara, CA.

It supports the Python, Java, PHP, and Go Google App Engine platforms.

To find out more visit

Official Documentation

Latest Release

The latest stable release is AppScale 2.3.0, released in April, 2015. Feature requests and pull requests gladly welcomed.

Mailing List

Join the mailing list for announcements, help, and to discuss cloud research:


Also, join us on #appscale on freenode if you have questions, suggestions, comments, or just want to say hi!

Why Use AppScale?

Our goal with AppScale is to provide an open-source cloud platform that you can use to deploy your Google App Engine applications on clusters and clouds of your choice.

Screen Shots

AppScale Dashboard Screenshot



IBM Research

National Science Foundation

National Institutes of Health


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