Odoo is an all-in-one business management suite of mobile-friendly web apps that integrates everything you need to grow your business: CRM, website content management, project management, human resources, accounting, invoicing and more. Odoo apps integrate seamlessly to provide a full-featured open source ERP, but can also be used stand-alone. Python programmers can develop their own app modules, or choose from an array of free open source such as those provided by OCA; or paid commercial ones.

Ansible is a simple, agentless IT automation engine that automates cloud provisioning, configuration management, application deployment and intra-service ochestration. It can configure systems, deploy software, and streamline advanced IT tasks such as continuous deployments or zero downtime rolling updates.

Django is a high-level Python Web framework that encourages rapid development and clean, pragmatic design. Python's equivalent to the famous Ruby on rails, Django lets you build high-performing, elegant Web applications quickly. Django focuses on automating as much as possible and adhering to the "Don't Repeat Yourself" (DRY) principle.

Trac is a web-based project management and bug-tracking tool. It allows hyperlinking information between a computer bug database, revision control and wiki content. It also serves as a web interface to the revision control systems Subversion and Git. Among the users of Trac is NASA's Jet Propulsion Laboratory.