Relay
Share your phone's internet with your PC, no cloud
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Relay turns your Android phone into a secure hotspot for your Windows PC — over an encrypted WireGuard tunnel, with no root, no account, and no server in between. Pair with a QR code or a 2-digit number and you're online in seconds. It handles TCP/UDP, survives Wi-Fi switches and DHCP changes, and keeps DNS/IPv6 traffic locked inside the tunnel. Kotlin/Compose on Android,NET 8/WinUI 3 on Windows, Go-based WireGuard core with gVisor. Open source (GPL-3.0), with real everyday users.
PH · launched Sep 22, 2026 · 1 upvote (top 69%) · 2 views
Niche: networking and tunneling utilities · 190 launches, 10 in the last 7 days ▼ -17% · Explore this niche →
Category and tags
- Horizontal
- Workflow automation
- Prosumer
- Not AI
- Commercial product
- Android
- Windows
- Open Source
- GitHub
Visit website ↗ Source listing ↗
More like this: all 190 launches in networking and tunneling utilities →
Could you build this?
No Relay relies on low-level networking, custom Android VPN service routing, userspace WireGuard tunneling, and Windows virtual network adapter drivers (Wintun) to bypass carrier tethering limitations without cloud servers or root.
What it would actually take: The architecture requires an Android app using Android's VpnService to intercept and forward raw IP packets into a userspace WireGuard implementation (Go/Rust/C), alongside a Windows desktop client bundling Wintun drivers and Windows Network Setup service APIs. Maintaining TCP/UDP state across dynamic network transitions without root access demands deep systems programming and network protocol engineering skills.
Competitors
Other products that read as similar to this one : 473 launches clear the similarity bar, closest 8 shown.
Attention rank: #381 of 474 (itself plus its competitors, highest first, normalized so YC and Product Hunt are compared fairly).
Launched 328 days after the earliest competitor.
- Smart Tether · ph · 2026-11-09 · 1 upvotes · similarity 0.63
- Tether Link Utility · ph · 2026-09-10 · 2 upvotes · similarity 0.61
- Hotspotfly · ph · 2026-09-28 · 2 upvotes · similarity 0.54
- ThunderVPN · ph · 2026-10-30 · 1 upvotes · similarity 0.54
- TreeTalk Node · ph · 2026-09-19 · 1 upvotes · similarity 0.52
- RoamDeck · ph · 2026-10-07 · 2 upvotes · similarity 0.51
- ReSocks · ph · 2026-09-11 · 2 upvotes · similarity 0.51
- PC Link · ph · 2026-11-10 · 1 upvotes · similarity 0.49
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