PyPI Ranking home
1st lxml

Powerful and Pythonic XML processing library combining libxml2/libxslt with the ElementTree API.

118,335
2nd distribute

Easily download, build, install, upgrade, and uninstall Python packages

101,514
3rd supervisor

A system for controlling process state under UNIX

73,608
4th requests

Python HTTP for Humans.

66,754
5th Jinja2

A small but fast and easy to use stand-alone template engine written in pure python.

45,371
6th meld3

meld3 is an HTML/XML templating engine.

45,249
7th Django

A high-level Python Web framework that encourages rapid development and clean, pragmatic design.

43,396
8th nose

nose extends unittest to make testing easier

42,985
9th setuptools-git

Setuptools revision control system plugin for Git

42,811
10th pip

pip installs packages. Python packages. An easy_install replacement

40,451
11th boto

Amazon Web Services Library

39,433
12th python-dateutil

Extensions to the standard python 3.0+ datetime module

39,377
13th six

Python 2 and 3 compatibility utilities

38,059
14th virtualenv

Virtual Python Environment builder

35,168
15th paramiko

SSH2 protocol library

32,592
16th setuptools

Download, build, install, upgrade, and uninstall Python packages -- easily!

32,088
17th pycrypto

Cryptographic modules for Python.

30,429
18th Werkzeug

The Swiss Army knife of Python web development

26,666
19th coverage

Code coverage measurement for Python

26,590
20th SQLAlchemy

Database Abstraction Library

24,963
21st httplib2

A comprehensive HTTP client library.

24,202
22nd Flask

A microframework based on Werkzeug, Jinja2 and good intentions

23,628
23rd redis

Python client for Redis key-value store

23,300
24th MySQL-python

Python interface to MySQL

23,217
25th graphite-web

Enterprise scalable realtime graphing

22,517
26th Fabric

Fabric is a simple, Pythonic tool for remote execution and deployment.

21,068
27th pymongo

Python driver for MongoDB

20,797
28th South

South: Migrations for Django

20,247
29th zc.buildout

System for managing development buildouts

17,938
30th Pygments

Pygments is a syntax highlighting package written in Python.

17,500
31st simplejson

Simple, fast, extensible JSON encoder/decoder for Python

17,480
32nd kombu

AMQP Messaging Framework for Python

17,384
33rd carbon

Backend data caching and persistence daemon for Graphite

16,832
34th numpy

NumPy: array processing for numbers, strings, records, and objects.

16,788
35th psycopg2

Python-PostgreSQL Database Adapter

16,611
36th greenlet

Lightweight in-process concurrent programming

16,425
37th celery

Distributed Task Queue

15,136
38th pep8

Python style guide checker

14,936
39th suds

Lightweight SOAP client

14,878
40th gunicorn

WSGI HTTP Server for UNIX

14,869
41st docutils

Docutils -- Python Documentation Utilities

14,385
42nd Mako

A super-fast templating language that borrows the best ideas from the existing templating languages.

14,303
43rd anyjson

Wraps the best available JSON implementation available in a common interface

13,786
44th gevent

Python network library that uses greenlet and libevent for easy and scalable concurrency

13,686
45th MarkupSafe

Implements a XML/HTML/XHTML Markup safe string for Python

13,669
46th pytz

World timezone definitions, modern and historical

13,660
47th zope.interface

Interfaces for Python

13,071
48th selenium

Python bindings for Selenium

12,972
49th iso8601

Simple module to parse ISO 8601 dates

12,853
50th oauth2

library for OAuth version 1.0

12,798