ZAPP

ZAPP — Android/Desktop DPI bypass & VPN toolbox (Kotlin Multiplatform, Compose)

🎯 Features Area What works 🛡️ Tor bridge sources built in (top-100 lists and custom URLs), fastest-bridge auto-pick by latency, failover to a backup pool, bootstrap to 100%, local SOCKS 9050, pluggable transports via lyrebird 🌐 VPN WireGuard / AmneziaWG, OpenVPN and sing-box engines (vless, vmess, trojan, ss, hysteria2, tuic), grouped configs with urltest, kill-switch, VpnService permission flow 🛹 Zapret / GoodbyeDPI root daemons nfqws and goodbyedpi share one NFQUEUE chain (ZAPP_DPI), 16 strategy codes, auto-strategy picker, both run at the same time, auto-restart on crash 📊 Speed plaque live counters plus the active modes in brackets -- (T|V|Z|GDPI); the same line goes to the notification shade 📈 Speed sparkline rx/tx mini-graph on the status card (download red, upload blue) plus a session traffic counter right under it 🧭 DNS autoselect with an empty user DNS list the tunnel probes public resolvers (8.8.8.8, 1.1.1.1, 77.88.8.8, ...) with a real A-query before start and rides the first one that answers 🧱 Shared UI Compose Multiplatform module :composeApp compiled for Android and JVM desktop 🧭 Navigation six tabs on Android -- Tor, VPN, Zapret, GoodbyeDPI, GPS, Settings -- packed by tabSlots() into four bar slots: Tor shares one with VPN, Zapret with GoodbyeDPI, because full names do not fit; GPS mock exists only on Android, so desktop has five tabs in three slots 🎨 Design system one dark colour scheme, typography, shapes, spacing scale, ripples, starfield/glass background 🌗 Theme dark only -- there is no light scheme and nothing to switch to ⚙️ Settings grouped cards: language, welcome tour replay, performance, permissions, device, updates, traffic, presets, VPN profiles, routing, URL test, Zapret strategy and filters, GoodbyeDPI mode, logs, docs, about 📖 In-app docs 7 sections, 11 items, EN / RU / ZH 📶 Traffic monitor system counters, speed graph, session summary; native C++ reader on Android with a Kotlin fallback, opens as a separate window 📦 Packaging local APK / MSI / .deb / AppImage; APK split by ABI (four architectures plus a universal); GitHub Actions builds the same on push to main and on v* tags and publishes a signed release 🧪 Tests 1654 cases in desktopTest: WCAG contrast, locale resolution, config codecs, link parsing, sing-box config, bridge selection, sparkline math, DNS autoselect

📄 License Free and open for everyone -- see LICENSE.

Use it, study it, change it, fork it, sell it, ship it in a paid product -- no permission needed, no agreement, no revenue share, no royalties to anyone. No paid tier, no subscription, no paywalled features, no donations, no account, no telemetry. It runs entirely on your machine. Attribution is appreciated but not required. ZAPP is provided "AS IS", without warranty of any kind. You are responsible for compliance with the laws that apply to you.