Alternatives to Spool

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

Open-source, local-first AI design workspace that wires your coding agent into a design engine

Moonshot AI's agentic workspace for coding, research, and knowledge work.

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

Self-hosted shared memory, MCP tools, and cross-agent audit for multi-model coding workflows.

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

Open-weight agentic coding models — Laguna XS 2.1 and Laguna S 2.1 — built for secure on-prem and air-gapped enterprise AI.

Multi-agent AI coding assistant for VS Code, launching soon

Build and deploy full-stack apps from natural language with Replit Agent

LangSmith is an AI agent observability platform for tracing, monitoring, and evaluating LLM apps and long-running agents.

AI memory layer that auto-captures your work into a searchable timeline and feeds context to MCP-ready AI tools

AWS-native AI coding assistant with agentic automation for developers

Arena AI is a free, community-voted LLM leaderboard ranking chat models, agents, and fullstack code on live head-to-head battles.

AI coding agent that completes code, reviews PRs, and runs agents from issue to merge inside GitHub

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

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

Free AI code autocomplete, chat, and agent coding in your IDE

Agent evaluation and simulation platform that catches hallucinations before they reach production

Spec-driven AI coding platform that turns prompts into executable specs and ships verified code with parallel agents.

Evidence-first AI coding agent for JetBrains IDEs — but not yet available

Orchestrate fleets of local and cloud coding agents from one AI-native IDE.

Agent orchestration platform for running a software factory: loops for code review, ticket-to-PR, and incident triage.

Mastra is an open-source TypeScript agent framework for building durable AI agents and workflows that run for days.

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

Agentic coding assistant for autonomous multi-step engineering tasks in your terminal

Build, run, and orchestrate fleets of AI coding agents across your SDLC with Warp Factories, Warp Terminal, and the Warp Agent CLI

From natural language to hosted full-stack apps — Replit Agent builds and ships it.

IDE-native coding assistant with provider choice and multi-agent flexibility

Junie is JetBrains' AI coding agent that runs in your terminal, IDE, GitHub, or GitLab — with any model you bring.

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