> For the complete documentation index, see [llms.txt](https://amazing-apps.gitbook.io/windows-apps-that-amaze-us/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://amazing-apps.gitbook.io/windows-apps-that-amaze-us/en/security.md).

# security

Enhance privacy protection and your OS secuirty

## [Acrylic DNS Proxy](http://mayakron.altervista.org/wikibase/show.php?id=AcrylicHome) ![GPL 2.0@SourceForge: https://sourceforge.net/projects/acrylic/](/files/-LCNPk0UbeWYJd26V7WL) ![](/files/-LCNPjscryN3lRjZcW8O) ![](/files/-LCNPjkvXrHjKE66zGdr) ![](/files/-LCNPjdrjDtnhg469hj5)

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](https://github.com/miaomiaosoft/Acrylic-DNS-Proxy-GUI)

## [AdwCleaner](https://toolslib.net/downloads/viewdownload/1-adwcleaner/) ![](/files/-LCNPjmLp2jOOp1sBmL4) ![](/files/-LCNPjdrjDtnhg469hj5)

Free removal tool for adware, PUP/LPI, Toolbars and Hijacker.

## Authy Desktop ![](/files/-LCNPjscryN3lRjZcW8O) ![](/files/-LCNPjbKRT3vtDHiAwf4)

### [Official Site](https://authy.com/)｜[Download Page](https://authy.com/download/)

Sync your 2FA info across multiple devices.

## [Bitwarden](https://bitwarden.com) ![](/files/-LCNPjmLp2jOOp1sBmL4) ![GPL 3.0@GitHub: https://github.com/bitwarden/desktop](/files/-LCNPk0UbeWYJd26V7WL) ![](/files/-LCNPjdrjDtnhg469hj5) ![](/files/-LCNPjbKRT3vtDHiAwf4)

Open-source & light password manager with free cloud sync

## [Buttercup](https://buttercup.pw/) ![GPL 3.0@GitHub: https://github.com/buttercup/buttercup](/files/-LCNPk0UbeWYJd26V7WL) ![](/files/-LCNPjscryN3lRjZcW8O) ![](/files/-LCNPjbKRT3vtDHiAwf4)

A password manager based on JavaScript, elegant, brief, compatible with few other types of databases.

## CCleaner ![](/files/-LCNPjmLp2jOOp1sBmL4) ![](/files/-LCNPjbKRT3vtDHiAwf4)

### [Official Site](https://www.piriform.com/CCLEANER)｜[Download Page](https://www.piriform.com/ccleaner/download/standard)

A light-weighted & award-winning PC optimization tool.

## [Comodo Firewall](https://personalfirewall.comodo.com/) ![](/files/-LCNPjmLp2jOOp1sBmL4)

Personal Firewall & HIPS protection

## Cryptomator ![MIT X Consortium & Others@GitHub: https://github.com/cryptomator/cryptomator](/files/-LCNPk0UbeWYJd26V7WL) ![](/files/-LCNPjmLp2jOOp1sBmL4) ![](/files/-LCNPjbKRT3vtDHiAwf4)

### [Official Site](https://cryptomator.org/)｜[Download Page](https://cryptomator.org/downloads/#allVersions)

Encrpty your cloud files.

Free client-side encryption for your cloud files

## [Encrypto](http://macpaw.com/encrypto) ![](/files/-LCNPjscryN3lRjZcW8O)

Encrypt your files in an elegant way.

## [GlassWire](https://www.glasswire.com/) ![](/files/-LCNPjmLp2jOOp1sBmL4) ![](/files/-LCNPjbKRT3vtDHiAwf4)

Network security monitoring tool and analyzer that visualizes your network activity.

## KeePass ![GPL 2.0+@SourceForge: https://sourceforge.net/projects/keepass/](/files/-LCNPk0UbeWYJd26V7WL) ![](/files/-LCNPjmLp2jOOp1sBmL4) ![](/files/-LCNPjdrjDtnhg469hj5) ![](/files/-LCNPjbKRT3vtDHiAwf4)

### [Official Site](http://keepass.info/)｜[Download Page](http://keepass.info/download.html)

Open source password manager.

## LastPass ![](/files/-LCNPjmLp2jOOp1sBmL4) ![](/files/-LCNPjbKRT3vtDHiAwf4) ![](/files/-LCNPk0XUci5GryGyEA_)

### [Official Site](https://www.lastpass.com/)｜[Download Page](https://lastpass.com/misc_download2.php?tab=windows)

Powerful all-in-one password manager and keeper with free cloud sync across all platform.

## NetLimiter ![](/files/-LCNPjscryN3lRjZcW8O)

### [Official Site](https://www.netlimiter.com/)｜[Download Page](https://www.netlimiter.com/download)

Internet traffic control and monitoring tool

## [Pcap\_DNSProxy](https://github.com/chengr28/Pcap_DNSProxy) ![GPL 2.0@GitHub: https://github.com/chengr28/Pcap\_DNSProxy](/files/-LCNPk0UbeWYJd26V7WL) ![](/files/-LCNPjscryN3lRjZcW8O) ![](/files/-LCNPjbKRT3vtDHiAwf4)

A local DNS server based on WinPcap and LibPcap to prevent DNS pollution & to improve DNS query reliability by multi-server requesting

## [RevokeChinaCerts](https://github.com/chengr28/RevokeChinaCerts) ![GPL 2.0 for Windows@GitHub: https://github.com/chengr28/RevokeChinaCerts](/files/-LCNPk0UbeWYJd26V7WL) ![](/files/-LCNPjscryN3lRjZcW8O) ![](/files/-LCNPjdrjDtnhg469hj5) ![](/files/-LCNPjbKRT3vtDHiAwf4) ![](/files/-LCNPjfnhndT8Zc4wKNi)

Revoke any doubeful/illegal certificates, most of which are from China.

## [Sandboxie](http://www.sandboxie.com/) ![](/files/-LCNPjmLp2jOOp1sBmL4)

A sandbox-based isolation program.

## [Simple DNSCrypt](https://simplednscrypt.org/) ![MIT@GitHub: https://github.com/bitbeans/SimpleDnsCrypt](/files/-LCNPk0UbeWYJd26V7WL) ![](/files/-LCNPjmLp2jOOp1sBmL4)

A simple management tool to configure [dnscrypt-proxy](https://dnscrypt.org/) to prevent DNS spoofing.

## [VeraCrypt](https://www.veracrypt.fr/en/Home.html) ![Apache 2.0@HOMEPAGE: https://www.veracrypt.fr/code/VeraCrypt/](/files/-LCNPk0UbeWYJd26V7WL) ![](/files/-LCNPjmLp2jOOp1sBmL4) ![](/files/-LCNPjdrjDtnhg469hj5) ![](/files/-LCNPjbKRT3vtDHiAwf4)

Open-source & cross-platform disk encryption software.

## [XX-Net](https://github.com/XX-net/XX-Net) ![NO LICENSE@GitHub: https://github.com/XX-net/XX-Net](/files/-LCNPk0UbeWYJd26V7WL) ![](/files/-LCNPjmLp2jOOp1sBmL4) ![](/files/-LCNPjdrjDtnhg469hj5) ![](/files/-LCNPjbKRT3vtDHiAwf4)

A web proxy tool.