security
Enhance privacy protection and your OS secuirty
A local DNS proxy which caches the responses coming from your DNS servers and helps you fight unwanted ads through a custom HOSTS file.
See Chinese re-build version here
Free removal tool for adware, PUP/LPI, Toolbars and Hijacker.
Authy Desktop 
Sync your 2FA info across multiple devices.
Open-source & light password manager with free cloud sync
A password manager based on JavaScript, elegant, brief, compatible with few other types of databases.
CCleaner 
A light-weighted & award-winning PC optimization tool.
Personal Firewall & HIPS protection
Cryptomator 
Encrpty your cloud files.
Free client-side encryption for your cloud files
Encrypt your files in an elegant way.
Network security monitoring tool and analyzer that visualizes your network activity.
KeePass 
Open source password manager.
LastPass 
Powerful all-in-one password manager and keeper with free cloud sync across all platform.
NetLimiter
Internet traffic control and monitoring tool
A local DNS server based on WinPcap and LibPcap to prevent DNS pollution & to improve DNS query reliability by multi-server requesting
Revoke any doubeful/illegal certificates, most of which are from China.
A sandbox-based isolation program.
A simple management tool to configure dnscrypt-proxy to prevent DNS spoofing.
Open-source & cross-platform disk encryption software.
A web proxy tool.
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