Zetema

For developers and students

Tech challenges, ready to pick up.

Real problems people have written down in open-source issue trackers, developer threads and the gaps in public data. Every one is sourced, has a brief and a builder's kit, and is sized so a first version fits a weekend, a few weeks or a semester.

“There is no royal road to geometry.”
Euclid · as reported by Proclus
Where Everywhere

  • Kit readyA few weeks

    Security & privacy · Anywhere

    Meshtastic users can't share their location on the mesh without risking showing where they live.

    Solved looks like

    A firmware setting for up to three privacy zones (centre and radius). Inside a zone, the position sent is rounded to the zone's precision; outside, the normal setting applies. Checked on a bench node with simulated GPS that the exact home position is never transmitted.

    Proof1 source · 3 quoted claims · github.com/meshtastic · Oct 2025

    Market11 reactions on the issue

    Kit5 steps · 22 tools · starter prompt ready

    1. Sourced (done)
    2. Kit (done)
    3. Wanted (next)
    4. Building
    5. Solved
    Open the kit →

    Be the first to want this solved. Nobody is building it yet.

  • Kit readyA few weeks

    Security & privacy · Anywhere

    Yarn users can't block a package update that suddenly arrives without the provenance its earlier versions had.

    Solved looks like

    A Yarn plugin or patch that, at install time, fails with a clear message when a package that had provenance in earlier versions resolves to a version without it. Tested against a local test registry with a downgrade case and a never-had-provenance case.

    Proof2 sources · 3 quoted claims · github.com/axios, github.com/yarnpkg · Apr 2026

    Market59 reactions on the issue

    Kit5 steps · 21 tools · starter prompt ready

    1. Sourced (done)
    2. Kit (done)
    3. Wanted (next)
    4. Building
    5. Solved
    Open the kit →

    Be the first to want this solved. Nobody is building it yet.