Alternatives to Spacecake

GitHub's AI coding agent for inline completion, delegated pull requests, code review, and recurring agent tasks across your repos.

Cursor is an AI coding agent that plans, builds and ships features from your editor, CLI, Slack, GitHub and iOS.

Free open-source design-intelligence skill that feeds UI styles, palettes, fonts, and chart rules into Claude Code, Cursor, and other AI coding assistants.

Sourcegraph Cody: an AI coding assistant that grounds chat and agentic code changes in context from your whole multi-repo codebase.

ForgeCode turns your ZSH prompt into an AI coding agent — open-source, model-agnostic, terminal-native.

Open-source, self-hosted AI coding assistant with code completion, an in-IDE answer engine, inline chat, and the Pochi agent

Open-source skill that turns any brand into a design system Claude Code and Codex can build with

Self-hosted code search and AI code Q&A that gives coding agents context across every repo you own

Bito Governor is an AI model router with a code context engine that cuts coding-agent spend by 40-70%.

OpenSpec is an open-source spec-driven development framework that keeps AI coding agents building the right thing, with verify and archive

Userdoc turns ideas, Figma designs, and existing source code into software specs that humans and AI coding agents can both read.

Open-source SKILL.md rules that stop AI coding agents shipping generic frontend UI

Open-source MCP skill that adds 25 workflow commands, persistent memory, and an audit trail to the AI coding agents you already run

Free open-source JetBrains plugin for agentic coding, spec-driven development and multi-provider LLM chat

WeSight is an open-source desktop workspace that runs Claude Code, Codex and other CLI coding agents side by side.

Opcode is a free, open-source desktop GUI for Claude Code with session checkpoints, agent building, and token cost tracking.

RobotGo is an open-source Go library for desktop automation — drive mouse, keyboard, screen and windows from native Go code

Enterprise AI coding assistant with a Context Engine and air-gapped deployment

Amazon CodeWhisperer is now Amazon Q Developer — an AI coding assistant with AWS expertise, built into your IDE and CLI

Glamourous agentic coding in your terminal: bring your own LLM, LSP context and MCP tools, swap models mid-session.

Codey brings local-first agentic coding to your machine: 25 agent CLIs and 200+ models on your own API keys for $10 flat.

Desktop AI code review that splits agent-generated pull requests into numbered walkthrough sections and refactors the slop before merge

Ctx is a local, open-source CLI to search your coding-agent history, blame code lines to the agent session that wrote them, and graph your

A free VS Code-fork AI code editor whose router sends 'PearAI Model' to the top-scoring coding model.

ClinePass: flat-rate access to open-weight coding models inside the Cline agent

Terax is a terminal-first AI-native dev workspace with Vim editing, agentic AI coding agents, and live web preview in a 7 MB app

Godcoder is a free, open-source desktop coding agent that builds and optimizes its own harness while your code stays local.

Ponytail is an MIT-licensed ruleset that makes your AI coding agent write the least code that works — 53% less, the vendor says.

HumanLayer is a multiplayer coding agent workspace that puts human review checkpoints between agent prompts and shipped code.

Windsurf is now Devin Desktop — a cockpit for running many coding agents from one Sessions board.