1. RKT :
RKT(发音为“rocket”)是一个用于在 Linux 平台上运行应用程序容器的 CLI。它的主要目的是安全、快速和可组合，因此它被设计为安全、可组合和基于标准的。它是按照“默认安全”的原则开发的，由各种基本的安全功能组成。它实现了应用程序规范，帮助容器网络接口规范，并且可以运行 Docker 图片和 OCI 镜像。
2.码头工人：
它是一个开源平台，用于通过允许开发人员将应用程序打包到容器中来构建和管理容器化应用程序。它使构建、部署和操作容器变得更容易、更简单、更安全。事实上，它是一种工具包，允许开发人员使用简单的指令和节省工作的自动化来构建、部署、运行、更新和停止容器。
RKT 和 Docker 的区别：
| S. No. | RKT | Docker |
|---|---|---|
| 1. | It is a CLI for running app containers on a Linux platform. | It is an open-source platform for building and managing containerized apps. |
| 2. | It can be run without root privileges. | It cannot be run without root privileges. |
| 3. | It does not need any private registry while sharing files. | It requires a private registry while sharing files. |
| 4. | Its architecture is modular. | It is not having a modular architecture. |
| 5. | It uses different modules to add features. | Within a single program file, it adds all features of it. |
| 6. | It has a small no. of lines of code as compared to docker. | It has a large no. of lines of code as compared to RKT. |
| 7. | It offers a framework that is universal. | It does not offer any universal framework. |
| 8. | Its performance is high as compared to docker. | Its performance is low as compared to RKT. |
| 9. | It is more secure than docker. | It is less secure than RKT. |