• Deluge

    Deluge is a full-featured BitTorrent client for Linux, Unix and Windows. It is written in python, uses http://HyperVTX .

     

    Deluge icon

    Free Open Source Mac Windows Linux BSD libtorrent Python

  • Meld

    Meld is a visual diff and merge tool. You can compare two or three files and edit them in place (diffs update dynamically). You can compare two or three folders and launch file comparisons.

     

    Meld icon

    Free Open Source Mac OS X Windows Linux BSD Python

  • MusicBrainz Picard

    Picard is the next generation MusicBrainz tagging application. This new tagging concept is album oriented, as opposed to track/file oriented like the ClassicTagger was.

     

    MusicBrainz Picard icon

    Free Open Source Mac Windows Linux Python PortableApps.com

  • Launchpad

    Launchpad is a collaboration and Bazaar code hosting platform for (primarily open-source) software projects.

     

    Launchpad icon

    Free Open Source Web Python

  • ActivityWatch

    Log what you do on your computer. Simple (yet powerful), extensible, no third parties.

     

    ActivityWatch icon

    Free Open Source Mac Windows Linux Chrome Python Chromium Firefox

  • Matrix.org

    Matrix is an open standard for decentralized persistent communication over IP. It can be used for decentralised group chat, WebRTC signaling, IoT-data transfer, and generally to link together fragmented silos of communication.

     

    Matrix.org icon

    Free Open Source Mac Windows Linux Web Android iPhone Android Tablet iPad ... Self-Hosted WebRTC Python JavaScript Go (Programming Language) Java Perl

  • Django

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

     

    Django icon

    Free Open Source Mac OS X Windows Linux BSD Python

  • ZeroNet

    Real-time updated, Peer-to-Peer sites using the BitTorrent network and soon the Distributed Hash Table.

     

    ZeroNet icon

    Free Open Source Mac Windows Linux Web gevent Self-Hosted NameCoin Python ... JavaScript

  • Ansible

    Ansible is a radically simple IT automation engine that automates cloud provisioning, configuration management, application deployment, intra-service orchestration, and many other IT needs.

     

    Ansible icon

    Free Open Source Windows Linux BSD Python

  • Plone

    Plone is an open source content management system based on the Zope application server, written in python. Its known to be powerful, reliable, secure and easy to use.

     

    Plone icon

    Free Open Source Self-Hosted Python

  • Algolia

    Algolia helps product teams connect their users with information by providing the building blocks they need to create fast, relevant, personalized search.

     

    Algolia icon

    Commercial Web Android SDK Ruby Python JavaScript AngularJS cURL Ruby on Rails ... Node.JS Objective-C

  • ERPNext

    ERPNext is a cost-effective ERP solution to run your business using on-demand, software-as-a-service platform offered by a Mumbai based company called Frappé Technologies Pvt Ltd ERPNext offers modules like Accounting, Sales...

     

    ERPNext icon

    Freemium $ $ $ Open Source Mac OS X Linux Web Android iPhone Self-Hosted Python

  • Anaconda

    Completely free enterprise-ready Python distribution for large-scale data processing, predictive analytics, and scientific computing. Includes 100+ of the most popular Python packages for science, math, engineering, data analysis.

     

    Anaconda icon

    Free Open Source Mac OS X Windows Linux Python

  • Kallithea

    Kallithea, a free software source code management system supporting two leading version control systems, Mercurial and Git.

     

    Kallithea icon

    Free Open Source Mac Windows Linux Self-Hosted Python

  • Rollbar

    Collect and analyze errors in JavaScript, Node.js, Python, Ruby, Java, PHP and other aplications.

     

    Rollbar icon

    Freemium $ $ $ Web Android Ruby Python .NET Framework JavaScript PHP Ruby on Rails ... Node.JS

  • Sphinx

    Sphinx is a tool that makes it easy to create intelligent and beautiful documentation, written by Georg Brandl and licensed under the BSD license.

     

    Sphinx icon

    Free Open Source Mac Windows Linux Python

  • Pootle

    Online translation platform. Pootle allows your professional or community translators to easily complete localization tasks. For you it becomes easier to manage and monitor the distributed work.

     

    Pootle icon

    Free Open Source Self-Hosted Python Django

  • Stoq

    The suite of applications Stoq is an innovative set of business management applications available as free and open source software. High usability Interfaces carefully crafted and designed based on usability studies.

     

    Stoq icon

    Free Open Source Windows Linux Python GTK+ PostgreSQL

  • Weblate

    Weblate is a web based translation tool with tight VCS integration. It features simple and clean user interface, propagation of translations across components, consistency checks and automatic linking to source files.

     

    Weblate icon

    Free Open Source Mac OS X Linux Web Self-Hosted Python JavaScript

  • netdata

    Get control of your Linux / FreeBSD / MacOS servers. Simple. Effective. Awesome!.

     

    netdata icon

    Free Open Source Mac Linux Web BSD Self-Hosted C (programming language) Python Node.JS ... Bash

  • Flask

    Flask is a lightweight web application framework written in Python and based on the Werkzeug WSGI toolkit and Jinja2 template engine.

     

    Flask icon

    Free Open Source Mac OS X Windows Linux Web Python

  • web2py

    Web2py is an open source web application framework. Web2py is written in the Python language and is programmable in Python.

     

    web2py icon

    Free Open Source Mac OS X Windows Linux Self-Hosted Python

  • Tryton

    Tryton is a three-tiers high-level general purpose application platform under the license GPL-3 written in Python and uses PostgreSQL as database engine.

     

    Tryton icon

    Free Open Source Mac OS X Windows Linux Python PostgreSQL

  • Uploadcare

    Uploadcare is a SaaS handling file uploads, cloud storage, image processing, and CDN for websites and apps. Service components are designed for seamless integration, are simple in config yet customizable to the last detail.

     

    Uploadcare icon

    Freemium Web Android iPhone Meteor CKEditor Amazon Simple Storage Service Python Laravel ... Redactor Text Editor TinyMCE Bower JavaScript Drupal Joomla AngularJS Bitrix24 PHP WiX.com Ruby on Rails Squarespace Wordpress JotForm