Harness Hub
All startups

Corgi

A helpful agent and terminal multiplexer for running several coding agents side by side.

Corgi presents itself as "a helpful {agent, terminal} multiplexer" and "friendly helper for your agents": a workspace for running and switching between several terminal coding agents at once. It launched with a Show HN on 23 October 2026 that drew 141 points and 47 comments.

Featured

The de-facto standard toolkit for building LLM applications and agents.

LangChain makes the LangChain framework and LangGraph, the low-level orchestration standard for stateful, controllable agents, plus the LangSmith platform for tracing, evaluating and monitoring them in production.

~$75M raised

Featured

Devin, the AI software engineer, and the Windsurf IDE.

Cognition builds Devin, an autonomous AI software engineer that plans and executes engineering tasks end-to-end, and acquired the Windsurf agentic IDE in 2025. One of the defining startups of the coding-agent wave.

~$10.2B valuation (Sep 2025)

Featured

Conversational AI agents for customer experience.

Sierra, co-founded by Bret Taylor and Clay Bavor, builds production conversational agents that resolve real customer issues with guardrails, evaluation and human escalation — a template for deploying vertical agents at the enterprise edge.

~$10B valuation (Oct 2025)

Connections

Relations from the Harness Hub knowledge graph, as charted in the State of Harness reports.

Similar entries · 2

Sources

  1. Corgi homepage