Articles:

Wed 13 March 2013 - Optimizing server for heavy load wsgi application
Wed 06 March 2013 - Table partitioning with PostgreSQL
Sun 03 March 2013 - Table inheritance with PostgreSQL
Tue 19 February 2013 - Index usage statistics in PostgreSQL
Mon 18 February 2013 - Python and Node performance tests
Sun 17 February 2013 - Show database, table and indexes size on PostgreSQL
Sat 16 February 2013 - Show replication status in PostgreSQL
Sat 02 February 2013 - Vuelta de tuerca a los settings de django
Fri 01 February 2013 - Una manera (de muchas) de desplegar un proyecto django
Mon 22 October 2012 - Server side cursors with PostgreSQL and Django.
Sun 21 October 2012 - Order by subquery array with PostgreSQL
Tue 09 October 2012 - PostgreSQL full text search with Django

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Projects:

django-redis - Full featured redis cache backend for Django.
django-jinja - Jinja2 templating language integrated in Django.
py-couchdb - Modern pure python CouchDB Client.
wand - The ctypes-based simple ImageMagick binding for Python
django-ext-pool - DB-API2 connection pool for Django
django-ext-pgarray - PostgreSQL native array fields extension for Django
django-ext-hstore - PostgreSQL HStore module integraion for Django
py-mhash - Mhash ctypes bindings for python3 and python2
moment-tokens - Unix (strftime) and php format translations for momentjs
django-sse - HTML5 Server-Sent Events integration for Django
sse - Server Sent Events protocol implemetation on python2/3

And more others on my Github.