Alternatives to Output

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

Microsoft's open-source framework for building multi-agent AI workflows.

OpenAI Agents SDK: Lightweight Python framework for building multi-agent workflows with handoffs, sandboxing, and voice.

Microsoft's open-source, code-first agent framework for stateful, data-intensive conversational tasks.

Open-source LLM that turns natural language into API calls for tool-using agents

Open-source multi-agent framework for role-based software engineering

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.

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

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

Open-source agentic AI data assistant for SQL, code, and reports

Microsoft's open-source SDK for building production-grade AI agents with plugins, memory, and orchestration.

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

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.

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

Open-source spec framework that keeps AI coding agents aligned with your requirements as work evolves.

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

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

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

Zhipu GLM delivers open-source LLM models, MaaS APIs, and autonomous agents for Chinese enterprises and developers.

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

Imbue is an open AI lab building coding agent tools that run in parallel and answer to you, not a vendor.

Microsoft's framework for building production-grade agentic AI on Azure, with Python, C#, and Go SDKs and a GA Agent Harness runtime.

Durable execution for background jobs, workflows, and AI agents — written in your own code

Google's MIT-licensed open-source framework for building, evaluating, and deploying production AI agents in five languages.

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

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

Terminal-based AI pair programming with Git-native workflows and codebase-wide awareness