v2ray, xray, sing-box, clash, mihomo... GUI for Windows, macOS, Linux, Android, (iOS currently blocked).
Typically used in combination with a core (v2ray-core, xray-core, sing-box, etc)
Multilingual support: العربية, Deutsch, English, Español, فارسی, Français, हिन्दी, Bahasa Indonesia, 日本語, 한국어, Português, Русский, ไทย, Türkçe, Tiếng Việt, 中文