Show HN: Cornercase – terminal multiplexer for running coding agents in parallel

Category: devtools

Tags: terminal-multiplexer, coding-agents, git-worktrees, tui, rust, ai-agents

Score: 7.3/10 (Innovation: 7, Technical: 8, Documentation: 8, Utility: 6)

Cornercase is a Rust-based terminal multiplexer purpose-built for orchestrating parallel coding agents. It gives each agent an isolated git worktree and tab, surfaces status and diffs alongside the work, and keeps sessions alive via a background server so agents continue running after you detach. The tight integration of issue trackers, agent CLIs, worktrees, and review tooling into one TUI is a genuinely useful combination.

Target audience: Backend developers and DevOps engineers running multiple AI coding agents in parallel

Repository: https://github.com/usecornercase/cornercase-terminal · Rust · Apache-2.0 · 37 stars

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