Alternatives to Spacecake

Open-source autonomous AI coding agent that plans, executes, and deploys tasks inside VS Code and JetBrains IDEs.

Open-source coding agent that edits code and runs terminal commands across IDE, CLI, and desktop.

Open-source AI agent for desktop, CLI, and API — automate code, research, and workflows locally

Multi-project, multi-agent desktop IDE where every repo and Claude/Codex/Gemini session stays open at once.

MiMo-Code is Xiaomi's free open-source AI coding assistant with unlimited context and a 256k-token MiMo-V2-Flash model.

Godcoder is a local-first, open-source AI coding agent that builds its own harness on your desktop.

An open-source multi-agent harness that runs a virtual office of AI clones on your existing Claude Code and Codex subscriptions.

Foreman is an open-source orchestrator TUI that supervises headless Claude Code agents through a gated delivery pipeline.

Open-source dev platform uniting AI, NoCode, Code, and reusable MicroApps.

Pioneering open-source AI coding agent for VS Code and JetBrains, now archived after Cursor acquisition.

Free, open-source AI code assistant for JetBrains IDEs with spec-driven development

Open-source ruleset that makes AI coding agents write minimal, pragmatic code.

Open-source AI tool that converts screenshots, mockups, and screen recordings into clean HTML, React, and Vue code.

Open-source desktop workspace to run and route multiple AI coding agents locally.

Open-source AI coding agent for terminal, IDE, and desktop with model-agnostic provider support.

Free open-source VSCode extension for one-click AI code comments, conversions, and UI-to-code

Open-source AI + no-code platform for building reliable business systems fast.

Open-source agent orchestration graph that routes every task to the best model.

Self-hosted open-source AI coding assistant with code completion, answer engine, inline chat, and Pochi agent.

Local-first Agent OS for running Claude Code, Codex, and OpenCode on your machine

Open-source long-running AI agent loop that codes for days in Docker sandboxes, returning commits.

AI model router and code context engine that cuts coding agent token spend by grounding requests in your codebase.

Open-source platform for autonomous cloud coding agents that fix bugs, review PRs, and automate workflows.

Tabnine: AI code assistant with enterprise-grade code completion and context engine

Claude is Anthropic's AI assistant for long-document analysis, coding, and multi-agent workflows.

Define cloud coding agents in environment.yaml, deploy them by merging a PR, and run Claude Code or Codex with scoped permissions and hard spend caps.

Sourcegraph Cody is an AI coding assistant that grounds chat, completions, and agent workflows in your entire multi-repo codebase.

Frontier code models and ultra-long context for automating software engineering research

Windsurf Editor is an agent-centric IDE for orchestrating multiple coding agents on one Sessions Board.

Crush is a free, open-source agentic coding assistant that runs in your terminal and wires any LLM into your CLI workflow.