Deskflow

Open-source software for sharing one keyboard and mouse across multiple computers.

Recommended as a free, open-source alternative to Synergy123 for sharing a keyboard and mouse between Macs and PCs over LAN,45 with some preferring it to remote desktop.67 Reported caveats include no trackpad support,8 occasional crashes and no SteamOS support.9
The HN verdict, written from 9 cited comments
5recommend
0warn against
May 13, 2026first mention
Oct 4, 2026latest mention
Nov 25 – Oct 26
Used forfor mixed Mac/PC setupsfor gaming setupsopen sourcesharing keyboard and mouse across machinesfree keyboard and mouse sharing

Why people recommend it

Free Synergy alternative · 3

Commenters point to it as the free, open-source version of Synergy.

“these days i strongly prefer deskflow (oss version of synergy) for this sort of thing”

“If free is your bag instead of supporting the nominal cost:”

Show 1 more

Cross-platform · 2

Used to share input between Macs and PCs.

“i use deskflow between two mac’s and a pc, but it doesn’t support trackpads.”

“Deskflow lets me use my Mac as a keyboard over LAN, too. Beats remote desktop for sure.”

Beats remote desktop · 2

Some prefer it over remote desktop, including for gaming.

“Deskflow lets me use my Mac as a keyboard over LAN, too. Beats remote desktop for sure.”

“these days i strongly prefer deskflow (oss version of synergy) for this sort of thing”

Caveats and dissent

No trackpad support · 1

One user reports it does not support trackpads.

“i use deskflow between two mac’s and a pc, but it doesn’t support trackpads.”

Occasional crashes · 1

A user says it occasionally crashes.

“use a piece of software called Deskflow to transmit my keyboard. But Deskflow occasionally crashes”

No SteamOS · 1

A user says it won't work if they install SteamOS.

“use a piece of software called Deskflow to transmit my keyboard. But Deskflow occasionally crashes”

No BIOS access · 2

Software sharing can't replace hardware for BIOS work or frequent reboots.

“use a piece of software called Deskflow to transmit my keyboard. But Deskflow occasionally crashes”

“these days i strongly prefer deskflow (oss version of synergy) for this sort of thing”

Often compared with

Who recommends it in their own words

All comments 6

“i use deskflow between two mac’s and a pc, but it doesn’t support trackpads.”

“If free is your bag instead of supporting the nominal cost:”

“use a piece of software called Deskflow to transmit my keyboard. But Deskflow occasionally crashes”

“these days i strongly prefer deskflow (oss version of synergy) for this sort of thing”

“Deskflow lets me use my Mac as a keyboard over LAN, too. Beats remote desktop for sure.”

Threads where it came up

Data: deskflow.json. Quotes are verbatim; the verdict and theme labels are written by a model from these comments, and every clause links to its sources.

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