cmux tech stack
cmux builds mostly with Zig, C++, Rust, Swift. Its stack also includes GitHub, Linux. Zig is named in 3 of the 3 job postings cmux published in the last 12 months (100%). Counted by Alion from the job postings of cmux, updated Sep 26, 2026.
What programming languages does cmux use?
Zig is named in 100% of job postings at cmux, followed by C++ (67%), Rust (67%), Swift (33%).
What cloud and platforms does cmux use?
GitHub is named in 100% of job postings at cmux, followed by Linux (100%), Windows (100%).
What developer tools does cmux use?
Ghostty is named in 100% of job postings at cmux.
Which engineering practices does cmux ask for?
AI Agents is named in 100% of job postings at cmux.
AI Agents
3 100%
How does your stack fit cmux?
How modern is the cmux stack?
cmux scores 80 out of 100 (Cutting-edge). The score averages how current each technology in the stack is and adds weight for AI adoption. AI technologies in the stack: 0; legacy ones: 0.
Questions about the cmux tech stack
What programming languages does cmux use?
The languages named in cmux job postings are Zig (100%), C++ (67%), Rust (67%), Swift (33%), as a share of the 3 postings of the last 12 months.
Does cmux use GitHub?
Yes. GitHub is named in 3 of 3 job postings (100%) and required in 3 of them.
What cloud and platforms does cmux use?
The cloud and platforms named in cmux job postings are GitHub (3), Linux (3), Windows (3) (postings in brackets).
Is the cmux tech stack changing?
No new technology has appeared in cmux job postings in the last six months.
How modern is the cmux tech stack?
cmux scores 80 out of 100 (Cutting-edge). The score averages how current each technology in the stack is and adds weight for AI adoption. AI technologies in the stack: 0; legacy ones: 0.
How does Alion know the cmux tech stack?
Alion reads every job posting cmux publishes and tags the technologies each one names. The figures on this page count the 3 postings of the last 12 months and were updated on Sep 26, 2026.
Method and citation
Alion reads every job posting the company publishes and tags the technologies each one names. Shares count the postings of the last 12 months, open and closed; the company's own products are counted apart. How we count
Alion, "cmux tech stack: 9 technologies from 3 job postings", as of Sep 26, 2026. https://alion.io/company/cmux/technologies