CUE

Cue is a standalone personal-agent app from Manus. It gives each agent its own email address, phone number, wallet, and computer so it can send messages, answer calls, make payments within a budget, and work with other agents as a team.

Cua is an open-source computer-use platform from Cua AI, Inc. that provides desktop automation, isolated cloud desktops, local virtual machines, and benchmarks for AI agents. Its Cua Fleets provision Linux desktops whose capacity is managed in pools; agents use the Sandbox SDK to run commands, capture screenshots, and interact with applications. Cua Driver exposes tools for inspecting and operating native desktop applications and browsers on macOS, Windows, and Linux through a CLI, MCP, or typed SDKs, with background delivery where supported. Lume creates and manages local macOS and Linux virtual machines on Apple Silicon using Apple's Virtualization framework. Cua Bench builds computer-use tasks, evaluates agents, and exports trajectories for training, including simulated tasks that do not require a VM, Docker, or a model API key. The project is MIT-licensed, while some third-party components have separate licenses.

KCL is an open-source, constraint-based record and functional language for generating and managing configuration, including cloud-native and Kubernetes resources. It uses schemas, static types, constraints, rules, and isolated configuration blocks to model, validate, mutate, and organize configuration while reducing boilerplate; it can generate JSON and YAML or integrate with existing data. KCL supports configuration tooling such as formatting, linting, testing, documentation, package management, IDE extensions, and SDKs for several languages, and integrates with Kubernetes through tools including the Kubectl, Kustomize, Helm, and Crossplane KCL plugins. In Crossplane workflows, it can be used to develop composition functions as independent executable source code before embedding them into YAML at build time. The project is a CNCF Sandbox project and its implementation uses Rust and C, with support for native-code and WebAssembly compilation.

Composio is a developer platform for orchestrating just-in-time tool calls, secure delegated authentication, sandboxed execution environments, and parallel execution across integrations with 1,000+ applications. It is designed to let applications and AI agents invoke external tools safely and at scale.

Crossplane is a Kubernetes-native, CNCF project for building cloud-native control planes without writing a custom control-plane implementation. Its extensible backend orchestrates applications and infrastructure across environments through declarative APIs, while its configurable frontend lets platform teams define schemas for internal infrastructure abstractions. It manages provider-backed managed resources (MRs), composite resources (XRs), and Compositions that package collections of infrastructure resources behind simpler interfaces. Kubernetes reconciliation continuously works toward the declared state through provider APIs, and custom functions can be developed as reusable building blocks within compositions.