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Software · Internet & communication

YASS

Lightweight forward proxy.

  • Completely free
  • Linux
  • Open source
  • Old edition (2011)

Old edition: the latest known version (1.24.14) dates from 11 November 2011. It is no longer recommended as current software; the package date does not mean the software is still maintained.

Overview

Old edition: the latest known version (1.24.14) dates from 2011; it is no longer presented as current software.

Overview written by LicitPro from the documentation published by the authors and the cited sources; we have not tried the resource ourselves.

At a glance

All of YASS is free: no feature is locked behind a paid plan, and its code is open.

Its licence (GPL-2.0) is a copyleft open source licence: you may use, study, modify and redistribute it, including commercially; modified versions must keep the same licence.

Plans and conditions

  • The publisher also offers paid plans (hosting, support or services); they are described on its website.

Strengths

  • Open source code
  • Commercial use allowed

About

YASS is initiated as c++ rewrite of the outdated shadowsocks-libev package and provide the similar functionalities. During the recent development, it also supports naiveproxy protocol which is more efficient protocol. Compared with shadowsocks-libev, it not only contains the client cli command and server cli command, but also it contains a qt6 graphical interface which is more friendly to the new users.

Description from Flathub — AppStream (Flathub)

Sources and checks

  • Facts collected from Official plan pages (pricing, licence, terms) (limits, commercial use) —
  • Facts collected from Flathub (credit card, source code, publisher, licence, free status, platforms, commercial use, version) —
  • Last technical check: 8 November 2026
  • Description from Flathub — AppStream (Flathub)

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