Mosh-rs, Mosh rewritten in Rust with scrollback and Windows support
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HN · launched Oct 14, 2026 · 20 upvotes (top 31%)
- Horizontal
- Dev tools
- Developer
- Not AI
- Hobby / open-source project
Similar launches
See all 674 similar launches →Could you build this?
No Rewriting Mosh in Rust involves low-level systems programming, terminal emulation (PTY handling, escape sequences), custom UDP roaming state synchronization (SSP protocol), and Windows ConPTY internals.
What it would actually take: Building this requires deep systems engineering in Rust, implementing state synchronization protocols over UDP with AES-OCB encryption, full VT100/ANSI terminal emulation, and cross-platform PTY abstraction (termios on POSIX and ConPTY on Windows). The hard parts are seamless network roaming across IP transitions, local predictive echo, and robust terminal state diffing under flaky network conditions. This demands specialized systems programming expertise that cannot be prompted away.
Discussion
9 comments analyzed.
Competitors mentioned: mosh, zmx, zmosh, herdr, term-preserver
Concerns raised: Lack of SSH ControlMaster or connection multiplexing, Dispute over whether it is a true rewrite
Feature requests: SSH ControlMaster support, Session and state persistence across reboots, Undo close tab functionality
Competitors
Other products that read as similar to this one : 674 launches clear the similarity bar, closest 8 shown.
Attention rank: #218 of 675 (itself plus its competitors, highest first, normalized so YC and Product Hunt are compared fairly).
Launched 337 days after the earliest competitor.
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- dsh-ops · github · 2026-10-08 · 661 upvotes · similarity 0.48
- lockjaw · github · 2026-09-29 · 25 upvotes · similarity 0.47
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