yass is client-server model based and efficient forward proxy supporting http/socks4/socks4a/socks5 protocol. The server side is experimental.
- Better scaled, less memory consumption and CPU cycles.
- Easier to maintain and adopt new features.
- Safe memory layout.
More Information refers to wiki.
- Android download apk or download 32-bit apk
- iOS join via TestFlight or download ipa
- Windows download installer or download 32-bit installer (require vc 2010 runtime) or download woa arm64 installer
- macOS download intel dmg or download apple silicon dmg
via homebrew:
brew install --cask yass
- Linux download rpm or download deb
View more at release page
Visit wiki's Status of Package Store
Take a look at BUILDING.md for more instructions.
Visit wiki's Supported Operating System
Visit wiki's Usages and Server Usage.
Starting with release 1.9.5 and 1.8.7, Post Quantum Kyber Support is added on all of supported Platforms.You can enable it via Options Dialog(non-iOS)/Settings(iOS) manually.
This option will be enabled by default in the future (M128).
It refers to http2 cipher as NaïveProxy-compatible protocol support.
Starting with release 1.9.2 and 1.8.5, it will no longer keep log file and will not occupy extra disk space for Android/iOS/HarmonyOS client.
Android releases from 1.5.24 are signed and have been updated to add VpnService support.
iOS releases from 1.5.22 have fixed memory pressure crashes and have been updated to add Packet tunnel support.
For Apple Silicon macOS Users such as M1/M2/M3, you can also install Packet tunnel version via TestFlight.
macOS releases from 1.5.19 are notarized. Please note the dmg suffixed with -unsigned is not.
MinGW 64-bit releases from 1.6.5 and 1.7.1 no longer require Visual C++ 2010 Runtime.
For Windows XP Users, please make Visual C++ 2010 Runtime installed and use 32-bit releases. Depending the your system's architecture, use x86 installer or x64 installer.
Supplementary support for missing ISRG (Let's Encrypt Root) on some Windows 11 Installation and Android prior to 7.1.1
Releases from 1.5.25 and 1.6.4 fixes an issue that ISRG Root 1 and ISRG Root 2 might be missing in some machines and that causes troubles.
Due to the fact of possibly violating GPL license by linking static Visual C++ Runtime or distribute the CRT dll files we are still supporting MSVC builds, but the prebuilt binaries are removed from the release page. You can build MSVC binaries by yourself or switch to MinGW builds.
Please visit the pages site.
It is licensed with GPLv2.
