Autonomous coding agent from Block (Square) that works with any LLM through MCP-first extensibility. Apache 2.0 licensed with 47K+ GitHub stars and a Linux Foundation AAIF founding project. Designed for terminal-based workflows with deep tool integration, making it a strong open-source option for developers who want agent-assisted coding without vendor lock-in.
Alternatives to Hermes Agent
3 editor-selected alternatives · Hermes Agent overview →
source: tools.alternatives · stored order · active records only; review scores are annotations and never change membership or order
A directional evidence panel appears only when the substitute rationale, trade-offs, sources, and verification date have been recorded. Older selections without that panel remain visible but are unclassified under the new evidence contract.
Open-source terminal-based AI coding agent built in Go by the SST team, with a rich TUI (Bubble Tea) supporting 75+ model providers including OpenAI, Anthropic, Gemini, Bedrock, Groq, and OpenRouter. Features vim-like editing, persistent SQLite sessions, and LSP integration for 40+ languages. Fully free with no vendor lock-in, it has rapidly grown to 95k+ GitHub stars.
Autohand is an AI platform for adaptive continuous engineering and autonomous code evolution, giving teams infrastructure to coordinate multiple AI agents inside sandboxed execution environments. Its open-source Commander tool builds command interfaces that orchestrate multi-agent workflows, while the broader platform lets agents iteratively write, test, and evolve code safely. Aimed at engineering teams pushing beyond simple code generation toward continuous AI-driven software improvement.
Open-source Hermes Agent alternatives
Goose, OpenCode, Autohand — see all open-source developer tools.
More Terminal & CLI Tools tools
same category, not editor-selected alternatives — see how Hermes Agent compares →
Hermes Agent head-to-head
FAQ
Which Hermes Agent alternative is listed first?
Goose is first in the editor-selected list of 3 Hermes Agent alternatives and carries an editorial review score of 84/100. The stored order is editorial; review scores do not determine membership or position.
Are there open-source Hermes Agent alternatives?
Yes — Goose, OpenCode, Autohand are open source.