1. Key difference 1: Integration with development tools: CodeStream is a code collaboration and knowledge-sharing platform that integrates with popular code editors like Visual Studio Code, Atom, and JetBrains IDEs. It provides seamless integrations and in-editor experiences for code reviews, comments, and discussions. On the other hand, Terraform is an open-source infrastructure as code software tool that allows users to define and provision infrastructure resources using declarative configuration files. It integrates with various cloud providers and deployment tools, enabling infrastructure orchestration and automation.
2. Key difference 2: Scope of usage: CodeStream is primarily focused on enhancing the coding experience by providing tools for code review, knowledge sharing, and collaboration within an integrated development environment (IDE). It enables developers to discuss code in-line, capture feedback, and share code snippets more efficiently. In contrast, Terraform is specifically designed for managing infrastructure as code, allowing users to define, provision, and maintain cloud infrastructure resources such as virtual machines, networks, storage, and services.
3. Key difference 3: Programming languages supported: CodeStream supports a wide range of programming languages since its main purpose is to facilitate code collaboration and discussion within an IDE. It provides language-specific features like code reviewing and commenting for various languages like JavaScript, Python, Java, C++, and more. On the contrary, Terraform is language-agnostic and can be used to provision infrastructure resources on any supported cloud provider, irrespective of the programming language used to develop the application.
4. Key difference 4: Level of abstraction: CodeStream operates at a higher level of abstraction, focusing on the code review and collaboration aspects of software development. It provides real-time collaboration features, like code commenting and discussions, directly within the IDE. In contrast, Terraform operates at a lower level of abstraction, allowing users to define infrastructure resources and their configurations using declarative syntax, which is then translated into the specific cloud provider's API calls.
5. Key difference 5: Complexity: CodeStream is designed to simplify the code review and collaboration process by providing a user-friendly interface and integrated functionalities within the IDE. It aims to reduce the complexity of coordinating and managing feedback and discussions related to code changes. Conversely, Terraform can involve more complexity due to the need to define and manage infrastructure resources, dependencies, and their configurations using Terraform-specific language constructs and modules.
6. Key difference 6: Target audience: CodeStream is primarily targeted towards software development teams and organizations that prioritize collaboration, knowledge sharing, and code review processes as part of their development workflow. It is especially useful for teams working on complex projects or distributed teams that require effective code discussion and collaboration. In contrast, Terraform caters to infrastructure engineers, DevOps teams, and cloud architects who are responsible for managing and provisioning infrastructure resources, automating deployment processes, and maintaining infrastructure-as-code practices.

In summary, CodeStream focuses on enhancing code collaboration and knowledge sharing within an IDE, while Terraform is geared towards infrastructure management and provisioning using declarative configuration files, catering to different needs and target audiences in software development and infrastructure domains.