Layer / Who writes the code
Execution
Coding agents and harnesses that read repositories, change files, run commands, and produce reviewable diffs.
- Aider
Open-source CLI coding agent with git-aware edits and commits.
- Amazon Q Developer
AWS coding assistant with IDE, CLI, and agent features.
- Amp
Sourcegraph coding agent for editor, CLI, and repository context.
- Augment
Enterprise coding agent for large private codebases.
- Bolt
StackBlitz app-building agent running in WebContainers.
- Browserbase
Hosted browser sessions and APIs for agent computer use.
- Claude Code
Anthropic coding agent for terminal, IDE, desktop, and browser workflows.
- Cline
Open-source VS Code coding agent with visible tool approvals.
- Continue
Open-source IDE agent for VS Code and JetBrains.
- Crush
Charm's open-source terminal coding agent.
- Cursor
Agent-focused IDE with cloud agents running in isolated VMs.
- Devin
Cognition cloud coding agent with Devin Desktop and CLI surfaces.
- Ellipsis
AI pull-request reviewer that can open follow-up fixes.
- Factory
Commercial agent platform for software delivery workflows.
- Fern
OpenAPI-to-SDK and documentation generation platform.
- Gemini CLI
Google open-source terminal coding agent for Gemini models.
- Gemini Code Assist
Google Cloud IDE coding assistant for Gemini models.
- GitHub Copilot
GitHub coding assistant with an issue-to-pull-request agent.
- Goose
Block open-source local-first agent with repeatable recipes.
- Jules
Google asynchronous coding agent that opens pull requests.
- Junie
JetBrains coding agent for IntelliJ-family IDEs.
- Kilo
Open IDE and CLI agent with a multi-model gateway.
- Lovable
Hosted full-stack app builder driven by natural-language prompts.
- Modal
Serverless containers and GPUs for agent workloads.
- OpenAI Codex
OpenAI coding agent for CLI, IDE, and cloud tasks.
- OpenCode
Open terminal coding agent with configurable model providers.
- OpenHands
Open-source software-agent runtime with terminal, editor, and browser.
- Plandex
Open terminal coding agent for planning large diffs.
- Pydantic AI
Typed Python agent framework from the Pydantic team.
- Qodo
Code generation and review agents with test-aware workflows.
- Replit Agent
Hosted development environment with an agent for building and deploying apps.
- Roo Code
Open-source Cline fork with modes and automation.
- smolagents
Hugging Face small code-agent library with a code-first interface.
- Sourcery
Refactoring and review assistant with IDE and CI surfaces.
- Stainless
Typed SDK generation from OpenAPI specifications.
- SWE-agent
Princeton open-source agent for SWE-bench-style issue patches.
- Tabby
Self-hosted coding assistant for internal model endpoints.
- Tabnine
Enterprise coding assistant with private model deployment options.
- Tessl
Specification-first platform for agent-assisted software development.
- Trae
ByteDance agentic IDE with a hosted runtime.
- Trevize
Shared cloud workspaces for agent runs, previews, and pull requests.
- v0
Vercel UI generator that produces Next.js code.
- Vercel AI SDK
TypeScript SDK for streaming model interfaces and tool-calling apps.
- Warp
Terminal, multi-model agents, and early-access factory workflows.
- Zed
Open Rust editor with integrated agent panels.