Superlogical
Superlogical is building a durable session layer—the “multiplexer for all work”—that connects local development, remote access, coding agents, background jobs, production applications, live debugging, shared terminals, incident response, and multiplayer work. It is starting with a modern terminal multiplexer and intends to make the system composable and safe to operate in production.
At a Glance
- Software developers and developer-tool users
- Engineering teams operating local, remote, sandbox, CI, and production environments
- Teams using coding agents and other autonomous software workflows
- Infrastructure, platform engineering, and incident-response teams
AI Tools by Superlogical
(1)
Rex from Superlogical
Terminal Multiplexer for macOS
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Latest News
Public testing is beginning for Rex; initial testing is limited to macOS and invites are being sent in waves.
Notable Capital announced it is leading Superlogical's seed round.
Superlogical was announced as a new company building a multiplexer for all work, starting with a terminal multiplexer.
Amplify Partners announced its investment in Superlogical and described the company's durable-session and developer-primitives thesis.
Products & Services
A terminal multiplexer and drop-in replacement for a terminal, with persistent sessions, remote connections, program activity status, native macOS client, self-hostable servers, and planned web and native macOS/iOS access. It is designed to keep work available after disconnecting and to support humans, automation, and coding agents.
Market Position
Superlogical positions Rex as a more modern, cross-environment alternative to traditional terminal multiplexers such as tmux and zellij: it combines persistent server-side sessions with native application access, sharing, native scrollback/selection, remote connections, and program-status signaling. Its broader differentiation is a planned durable session layer spanning human interaction, CI/background work, agents, and production operations; the company is also adjacent to newer agent-aware tools such as Herdr.
Leadership
Founders
Mitchell Hashimoto
Creator of Ghostty; co-founded HashiCorp and created Vagrant, Terraform, and Vault. He spent more than a decade as HashiCorp CEO and CTO through its IPO.
Jack Pearkes
HashiCorp's first employee and former VP of Engineering and VP of R&D; helped create HashiCorp's first products and hired and led its original engineering team.
Alasdair Monk
Head of Experience at Poolside; previously VP of Design at Vercel and a senior design leader at HashiCorp and Heroku.
Hector Simpson
Interface designer and builder who designed apps, services, and agentic experiences at Poolside and shipped developer-first products at Heroku, HashiCorp, Clearbit, and Vercel.
Founding Story
Mitchell Hashimoto says he was not looking for another company but found a problem he wanted to work on for years, a scope requiring a team, and people he wanted to build it with. The team identified fragmentation across local and remote machines, sandboxes, services, production systems, CI, and increasingly autonomous agents, and chose a terminal multiplexer as the narrow foundation for a broader durable-session layer.
Business Model
Revenue Model
Rex is free, does not require an account, can be fully self-hosted, and its clients and servers will not be directly monetized. Superlogical says it has not yet announced the commercialization plan for the broader composability and production-operations layers.
Pricing Tiers
Superlogical says Rex is and will always be free; self-hosting is supported, no account is required, and the company does not see or share user data.
Target Markets
- Software developers and developer-tool users
- Engineering teams operating local, remote, sandbox, CI, and production environments
- Teams using coding agents and other autonomous software workflows
- Infrastructure, platform engineering, and incident-response teams
- Interactive local development
- Remote development and reconnectable terminal sessions
- Running coding agents in parallel while keeping work visible and controllable by people
- CI and background jobs
- Production applications and live debugging
- Shared terminals, incident response, and multiplayer collaboration