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jak21117-maker/README.md

About me

Indie developer focused on making awkward networking problems disappear. I build small, self-contained tools that run entirely on your own hardware — no cloud, no accounts, no telemetry in the data path.

  • Currently building LinkHelm-exp — transparent proxying without a virtual adapter: WinDivert + SOCKS5 reflection, sharing an Android phone's connection over Wi-Fi Direct to a Windows PC.
  • Interests: data-plane engineering (WinDivert, native lwIP, Wintun), SOCKS5, Android VPN services, Wi-Fi Direct, reproducible builds, native C++ on Win32.
  • I care about verifiable software: pinned binary hashes, CI-built releases, published checksums.

Spotlight: LinkHelm-exp — now at beta0.4.0

Release License Stars Platform

The same phone-to-PC sharing, but the Windows side proxies traffic in place — no virtual adapter, no TUN device, no driver-stack lwIP.

What makes the exp branch different:

  • No virtual adapter — a WinDivert NETWORK-layer filter captures TCP/UDP in flight and reflects it to a local SOCKS5 listener; the phone-side SOCKS5 host endpoint is 100% identical to the mainline app
  • Clean machine, clean exit — no routes added, no NCSI probe changes, no registry surgery; Stop is a WinDivert session close and an RST sweep
  • CI-built and verified — self-test (17 assertions) runs on the release runner, APK signed with the same developer identity as the mainline app, checksum manifest on every release
  • Quiet logs — per-flow logging off by default; one aggregate stats line every 30 s, all runtime logs English

LinkHelm (mainline) — now at stable 1.1.3

Release License Stars Platform

Turn one Android phone's shared connection into a normal network for your other devices — over Wi-Fi Direct, locally, with nothing in the cloud.

Highlights:

  • Native C++ desktop edition — the Windows app rewritten in C++17 on raw Win32: same UI, one ~0.9 MB executable, instant startup, ~40 MB package
  • Measured, version-over-version gains — throughput from ~30% (beta1.0.0) to 70–80% of the host line speed, typical latency from 100–200 ms down to 20–70 ms
  • Smart store accelerator — auto proxy/port detection, multi-domain panel failover, accurate per-node latency test, any subscription format
  • Wintun + lwIP data plane — the battle-tested path the exp branch replaced; both apps can be installed side by side
  • Fully bilingual UI (English / 中文), node names included
  • Resumable local file transfer — SHA-256 verified, up to 10 GB, real file names
  • Trustable binaries — SHA-256-verified engine files, GitHub Actions builds, checksum manifest on every release

Contact

Popular repositories Loading

  1. LinkHelm LinkHelm Public

    Share your Android phone's connection over Wi-Fi Direct to a Windows PC, then re-share it as a normal Wi-Fi hotspot or Ethernet - local-only, no cloud, no accounts. Unified lwIP engine on both ends.

    Python

  2. jak21117-maker jak21117-maker Public

    Networking tools that run on your own hardware - local-only, no cloud.

  3. LinkHelm-exp LinkHelm-exp Public

    Experimental LinkHelm branch: transparent proxying without a virtual adapter (WinDivert + SOCKS5)

    C++