8 Best The Agency Alternatives in 2026 (Open Source)

The Agency — A collection of specialized AI agents with distinct expertise, personalities, and workflows. Largest curated library of specialized AI agent personas with multi-tool compatibility — vs writing custom system prompts from scratch

Short answer

  • Closest match to The Agency: Evo.ninja.
  • Most actively developed: DeerFlow (1,263 commits in the last 90 days).
  • Fastest growing: gstack (+13,186 GitHub stars in the last 30 days).
  • No commit in 6+ months: Evo.ninja, Claude Engineer, CodeFuse-ChatBot and TinyTroupe.

These 8 open-source tools do the same job. They are ordered by how closely they match The Agency, with live GitHub data so you can see which projects are actively maintained.

ToolGitHub starsStars / 30dLast commit
The Agency(original)155.6k+14,5882026-10-01
Evo.ninja1.1k02024-07-19
gstack134.7k+13,1862026-09-29
Claude Engineer11.2k+72024-12-12
Roo-Code24.3k+2292026-05-15
OpenHands89.7k+3,1602026-10-01
DeerFlow83.3k+5,3182026-10-01
CodeFuse-ChatBot1.3k+12024-07-01
TinyTroupe7.6k+352026-03-28
  1. 1. Evo.ninja

    A versatile generalist agent.

    What sets it apart: vs single-persona agents: dynamic execution loop that predicts and switches between specialized personas (text, data, web, code) in real-time — adapts strategy mid-task rather than using one fixed approach

    Best for: Multi-domain task automation requiring different skill sets; Research synthesis combining web search and data analysis; Complex tasks benefiting from dynamic agent specialization

  2. 2. gstack

    Use Garry Tan's exact Claude Code setup: 15 opinionated tools that serve as CEO, Designer, Eng Manager, Release Manager, Doc Engineer, and QA

    What sets it apart: vs bare Claude Code: 23 specialist roles with structured sprint process; vs Cursor: not an IDE but a process layer that turns any coding agent into a virtual team with CEO/design/eng review

    Best for: Solo founders shipping production code with AI; Technical CEOs who still want to code; Teams wanting structured AI-assisted code review and QA

  3. 3. Claude Engineer

    Self-improving Claude 3.5 Sonnet assistant that dynamically creates and manages tools for software development

    What sets it apart: vs Open Interpreter / Aider: self-improving architecture where Claude creates and manages its own tools dynamically — the AI expands its capabilities through conversation, with dual web/CLI interfaces

    Best for: Developers wanting AI that autonomously expands its own capabilities; Claude-focused workflows needing custom tool creation; Power users wanting both web and CLI interfaces for AI interaction

  4. 4. Roo-Code

    Roo Code gives you a whole dev team of AI agents in your code editor.

    What sets it apart: vs Cursor: open-source with customizable modes and MCP support; vs GitHub Copilot: deeper codebase context and multi-mode interaction rather than inline suggestions

    Best for: VS Code users wanting AI coding assistant with mode flexibility; Teams building standardized AI-assisted workflows; Developers who want open-source alternative to Cursor

  5. 5. OpenHands

    🙌 OpenHands: AI-Driven Development

    What sets it apart: Unlike Claude Code and Codex (single-model CLI tools), OpenHands is model-agnostic with the highest SWE-Bench score (77.6%) and offers SDK, CLI, GUI, and enterprise deployment — a full-stack autonomous developer platform

    Best for: Engineering teams wanting an autonomous coding agent that can resolve real GitHub issues end-to-end; Enterprises needing self-hosted AI developer tools with Jira/Slack integration

  6. 6. DeerFlow

    Open-source agent harness for long-horizon research, coding, and content creation

    What sets it apart: vs AutoGPT: purpose-built for deep research with sub-agent orchestration and sandbox; vs LangGraph: higher-level harness with built-in memory, sandbox, and skill system rather than bare graph framework

    Best for: Deep research and exploration tasks; Building multi-agent systems with sub-agent orchestration; Teams wanting coding agent integration (Claude Code/Codex)

  7. 7. CodeFuse-ChatBot

    An intelligent assistant serving the entire software development lifecycle, powered by a Multi-Agent Framework, working with DevOps Toolkits, Code&Doc Repo RAG, etc.

    What sets it apart: vs GitHub Copilot/Cursor: multi-agent DevOps assistant from Ant Group with repository-level code analysis, knowledge graphs, and sandboxed execution — designed for enterprise private deployment

    Best for: DevOps teams needing AI-assisted code analysis and generation; Enterprise teams wanting private, self-hosted coding assistant with RAG

  8. 8. TinyTroupe

    LLM-powered multiagent persona simulation for imagination enhancement and business insights.

    What sets it apart: vs other multi-agent frameworks: Microsoft Research project specifically designed for business simulation and imagination enhancement, with deep persona customization, empirical validation tools, and focus on productivity/business insights rather than task automation

    Best for: Simulating focus groups for product/marketing feedback; Testing software with realistic synthetic user inputs; Business insight generation through persona simulation

FAQ

What are the best alternatives to The Agency?
The closest open-source alternatives to The Agency are Evo.ninja, gstack and Claude Engineer, followed by Roo-Code, OpenHands and DeerFlow. They are ranked by how closely they match what The Agency does.
Which The Agency alternative is the most popular?
gstack has the most GitHub stars among The Agency alternatives, with 134,650 stars.
Which The Agency alternative is the most actively maintained?
By recent activity, DeerFlow (1,263 commits in the last 90 days) is the most actively developed alternative.