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Code - OSS is the community-developed source repository behind Visual Studio Code, combining code editing, navigation, understanding, lightweight debugging, and an extension model. It is the place to study, contribute to, or build from the editor core. The downloadable Visual Studio Code product adds Microsoft-specific customizations and is distributed under a separate product license.

CC Switch replaces manual JSON, TOML, and environment-file edits with a desktop interface for managing providers across Claude Code, Codex, Gemini CLI, OpenCode, OpenClaw, Hermes, and related tools. It also synchronizes MCP servers, prompt files, and skills across supported apps and can browse session history. Most tools still need a terminal or CLI restart after a provider switch.

Warp is an agentic development environment built around the terminal. You can use its built-in coding agent or bring command-line agents such as Claude Code, Codex, and Gemini CLI. The client codebase is open source and can be built locally; most of the repository is licensed under AGPLv3, while the Warp UI crates use MIT.

goose is an extensible open-source agent available as a desktop app, CLI, and API for coding and broader workflows. Instead of stopping at suggestions, it can install dependencies, execute commands, edit files, and run tests with the user's chosen LLM. It supports macOS, Linux, and Windows, and can be repackaged as a custom distribution with preconfigured model providers, extensions, and branding.