MongoDB seems to be well supported in Python, other languages and distributions. Appscale (<meta http-equiv="content-type" content="text/html; charset=utf-8"><a href="http://appscale.cs.ucsb.edu/">http://appscale.cs.ucsb.edu/</a>) allows you to implement your own Google App Engine compatible platform and supports <span class="Apple-style-span" style="color: rgb(0, 0, 238); -webkit-text-decorations-in-effect: underline; "><font class="Apple-style-span" color="#000000" face="Arial, Helvetica, &#39;Liberation Sans&#39;, sans-serif" style="display: inline !important; "><span class="Apple-style-span" style="font-size: 14px;"><a href="http://hadoop.apache.org/hbase/" style="display: inline !important; ">HBase</a>, </span></font></span><span class="Apple-style-span" style="color: rgb(0, 0, 238); -webkit-text-decorations-in-effect: underline; "><font class="Apple-style-span" color="#000000" face="Arial, Helvetica, &#39;Liberation Sans&#39;, sans-serif" style="display: inline !important; "><span class="Apple-style-span" style="font-size: 14px;"><a href="http://hadoop.apache.org/hbase/" style="display: inline !important; ">Hypertable</a>, </span></font></span><span class="Apple-style-span" style="color: rgb(0, 0, 238); -webkit-text-decorations-in-effect: underline; "><font class="Apple-style-span" color="#000000" face="Arial, Helvetica, &#39;Liberation Sans&#39;, sans-serif" style="display: inline !important; "><span class="Apple-style-span" style="font-size: 14px;"><a href="http://hadoop.apache.org/hbase/" style="display: inline !important; ">MySQL Cluster</a>, </span></font></span><span class="Apple-style-span" style="color: rgb(0, 0, 238); -webkit-text-decorations-in-effect: underline; "><font class="Apple-style-span" color="#000000" face="Arial, Helvetica, &#39;Liberation Sans&#39;, sans-serif" style="display: inline !important; "><span class="Apple-style-span" style="font-size: 14px;"><a href="http://hadoop.apache.org/hbase/" style="display: inline !important; ">Cassandra</a>, </span></font></span><span class="Apple-style-span" style="color: rgb(0, 0, 238); -webkit-text-decorations-in-effect: underline; "><font class="Apple-style-span" color="#000000" face="Arial, Helvetica, &#39;Liberation Sans&#39;, sans-serif" style="display: inline !important; "><span class="Apple-style-span" style="font-size: 14px;"><a href="http://hadoop.apache.org/hbase/" style="display: inline !important; ">Voldemort</a>, </span></font></span><span class="Apple-style-span" style="color: rgb(0, 0, 238); -webkit-text-decorations-in-effect: underline; "><font class="Apple-style-span" color="#000000" face="Arial, Helvetica, &#39;Liberation Sans&#39;, sans-serif" style="display: inline !important; "><span class="Apple-style-span" style="font-size: 14px;"><a href="http://hadoop.apache.org/hbase/" style="display: inline !important; ">MongoDB</a> ,</span></font></span><span class="Apple-style-span" style="color: rgb(0, 0, 238); -webkit-text-decorations-in-effect: underline; "><font class="Apple-style-span" color="#000000" face="Arial, Helvetica, &#39;Liberation Sans&#39;, sans-serif" style="display: inline !important; "><span class="Apple-style-span" style="font-size: 14px;"><a href="http://hadoop.apache.org/hbase/" style="display: inline !important; ">MemcacheDB</a> as datastores</span></font></span>