By Parsa Khazaeepoul, co-founder of Pane. Tested every agent manager in this comparison set in production. .
Emdash is a YC W26-backed open-source desktop app for running CLI coding agents in parallel. Like Pane, it's cross-platform and agent-agnostic. The core difference is UX: Emdash is an opinionated workspace with scattered panels — separate buttons for changes, file explorer, agent status, PM integrations. Pane simplifies everything into one primitive: the pane. Inside each pane, everything is a tab — agents, diff viewer, file explorer, git tree, logs. Navigate panes with up/down, tabs with left/right. No panels to discover. No buttons to click. Just panes and tabs.
benchmark data: See how Pane and Emdash compare on memory, disk, and workflow keystrokes in our Q2 2026 measurement run.
| pane | emdash | |
|---|---|---|
| platform | windows + mac + linux, including Windows ARM64 | mac + windows + linux; public Windows downloads are x64 |
| Windows / WSL workflow | first-class Windows app, ARM64 installer, WSL-aware remote runtime path | Windows x64 downloads; no documented WSL environment support |
| UI model | one primitive: panes. everything inside is a tab (agents, diff, files, git, logs) | multi-panel workspace with buttons for changes, files, status |
| navigation | up/down = switch panes. left/right = switch tabs. ⌘K = everything else | click buttons, navigate panels |
| agents | any CLI agent — just a terminal, zero integration | 27 CLI agents (claude code, codex, opencode, gemini, amp, cline, cursor, continue, devin, aider + 17 more) |
| agent support model | universal — if it has a CLI, it works. no integration needed | per-agent integrations |
| diff viewer | built-in, syntax-highlighted | built-in |
| git workflow | commit, push, rebase, squash, merge — all keyboard | worktrees + merge |
| keyboard-first | every action has a shortcut. command palette (⌘K) | keyboard shortcuts available |
| integrations | agents connect via MCPs and CLI tools — the terminal is the integration layer | linear, github issues, jira, gitlab, forgejo, plain |
| SSH / remote agents | local by default; optional self-hosted remote daemon | yes (SSH + SFTP) |
| best-of-N | manual — create multiple panes from the same base branch | first-class: spawn N agents on the same task, pick the best |
| philosophy | vim for agent management — the tool everything integrates with | integrated workspace with PM tools |
| open source | yes (AGPL-3.0) | yes (Apache-2.0) |
| local-first | yes (config stored locally) | yes (local SQLite database) |
| session persistence | yes — survives restarts | yes |
| backed by | dcouple inc (indie) | Y Combinator (W26) |
Windows power-user support
Pane treats Windows as a first-class platform, including Windows ARM64 builds for Surface and Snapdragon machines. It also handles Windows + WSL workflows, where the desktop app can stay on Windows while the repo, shell, and agents run where they belong. Emdash's public install list currently shows Windows x64 downloads only.
simpler mental model
Emdash's UI is opinionated — separate panels and buttons for viewing changes, browsing files, checking agent status, managing integrations. You're clicking around a workspace. Pane has one concept: panes. Inside each pane, everything is a tab — agents, diff viewer, file explorer, git tree, logs. Switch panes with up/down. Switch tabs with left/right. That's the whole navigation model. Nothing to discover, nothing to learn incrementally. You get it in 30 seconds.
keyboard-first, not keyboard-available
Every single action in Pane has a keyboard shortcut. The command palette (⌘K) puts everything one keystroke away. Pane was built as a keyboard app that happens to have a GUI. Emdash has keyboard shortcuts, but the UI is designed around clicking — buttons for "view changes," panels you open and close with your mouse.
zero abstractions
Pane gives every agent a real terminal. No custom chat UI, no agent-specific wrappers, no polling hacks. If an agent has a CLI, it works in Pane instantly — today, tomorrow, forever. Emdash builds per-agent integrations for its 27 supported agents, which means new agents need explicit support before they work.
the terminal is the integration layer
Emdash builds direct integrations with Linear, Jira, GitLab, Forgejo, and GitHub Issues. Pane doesn't need to — your agents already talk to those tools through MCPs and CLI commands. You don't need a Linear button because your agent already connects to Linear via MCP. Pane doesn't re-integrate what the terminal already accesses.
full git workflow from the keyboard
Commit, push, rebase, squash, merge — all from keyboard shortcuts with command preview. The agent writes code, you review the diff, you ship. That loop is seamless.
AGPL-3.0 copyleft guarantee
Pane is AGPL-3.0: any network-served fork must remain open source. Emdash is Apache-2.0, which permits proprietary forks and SaaS resale without publishing changes. For teams who want a guarantee that the tool stays open regardless of company trajectory, AGPL-3.0 is a stronger commitment.
PM-tool integrations
Emdash connects to Linear, GitHub Issues, Jira, GitLab, Forgejo, and Plain — you can assign a ticket directly to an agent. If your workflow is ticket-driven or you use self-hosted GitLab/Forgejo, these first-party integrations save real setup time.
SSH / remote agents
If your repo is 20GB+ or you need GPU compute for model evaluation tasks, Emdash's SSH support lets you run agents on a remote machine while the review UI stays local. Pane now handles the same broad need with Remote Pane: a small daemon you install on your own VM, WSL box, or workstation, then connect to from the desktop app with a pane-remote://... code. The trade-off is SSH/SFTP project mounting versus Pane's self-hosted daemon model.
best-of-N workflow
Emdash's worktree model lets you spawn three agents on the identical task and pick the best result — useful for high-stakes refactors or evaluating model quality across providers. Pane is optimized for running different tasks in parallel; the same workflow is possible manually (create multiple panes from the same base branch) but not first-class.
VC backing
Emdash is YC W26-backed with dedicated funding. This means faster feature development and more resources — but also pressure to monetize and add complexity.
Both Pane and Emdash are local-first by default — neither needs to send your code to vendor servers. Emdash uses a local SQLite database; Pane stores config locally. Both now have a remote execution story: Emdash over SSH/SFTP, Pane through a self-hosted remote daemon. Both are cross-platform (Windows, Mac, Linux), both are open source, and both support parallel agents via git worktrees.
emdash flow
Connect repo → Emdash auto-detects installed agents → open ticket from Linear (or GitLab, Forgejo, Jira) → spawn agent on the ticket → review diff in the changes panel → push to remote.
pane flow
Open pane → launch agent in terminal → agent runs autonomously → ⌘D for diff review → ⌘K to commit and push → done. No ticket integration required — the agent already talks to your PM tools via MCP.
| emdash concept | pane equivalent | migration note |
|---|---|---|
| agent run (worktree + CLI provider) | pane + agent | 1:1. Each agent run = one Pane pane with assigned agent. |
| worktree (git worktree) | worktree | 1:1. Branch name and path carry over directly. |
| SSH remote connection | remote pane connection | Install the Pane daemon on the remote host, then import its pane-remote:// code in Settings. |
| issue / ticket passthrough (Linear, GitHub, Jira, GitLab, Forgejo) | no equivalent | Ticket ID and title can be preserved as pane task description. The agent accesses your PM tool via MCP instead. |
| .emdash.json (preserve patterns, setup / run / teardown scripts) | no equivalent | Surface as a migration checklist. Replay setup scripts manually as repo setup steps. |
Today this is manual — .emdash.json scripts can be replayed as setup steps. A one-click "Import from Emdash" adapter is on the Pane roadmap.
Emdash and Pane are the closest competitors in this space — both cross-platform, both open source, both agent-agnostic, both local-first. The choice comes down to how you think about the problem. Emdash builds an opinionated workspace with panels, buttons, PM integrations, SSH remote execution, and best-of-N parallel evaluation. Pane simplifies everything into panes and tabs, navigated entirely by keyboard. If you need SSH/SFTP project mounting, best-of-N agent selection, or first-party ticket integrations — Emdash. If you want one concept, raw keyboard speed, Windows ARM64 and WSL support, optional self-hosted remote runtime, and a stronger open-source copyleft guarantee — Pane.