This system tweaker uses command prompt to disable any Windows data collection & bloatware. It can also be used to disable data collection and bloatware in macOS and Linux.

PowerShell script for Windows 10 and 11 removes preinstalled apps, disables telemetry, blocks ads, hides suggestions, customizes taskbar, and controls privacy settings.

XD-AntiSpy is a tweaking tool for Windows 11, derived from the xp-AntiSpy tool for Windows XP. It is a small application, less than 350 kilobytes, that can run without installation.

WindowsSpyBlocker is an application written in Go and delivered as a single executable to block spying and tracking on Windows systems.

Privatezilla integrates the most critical Windows 10 privacy settings and allows you to quickly perform a privacy check against these settings. Active settings are marked with the status "Configured" and indicates that your privacy is protected.

This has a blocklist for Windows spyware. It doesn't have as many built-in blocklists as Portmaster but it's light on resources. I would say configure the settings 1st though.

This has a blocklist for Windows spyware, among others. It also comes with DNSCrypt and a proxy known as SPN. However it is heavy on resources. Every time I tried this, my cpu & memory usage went up a ridiculous amount.

NextDNS protects you from all kinds of security threats, blocks ads and trackers on websites and in apps and provides a safe and supervised Internet for kids — on all devices and on all networks.

It shows the filepath for apps to help you check if something's malware posing as legit software. Plus it distinguishes between different svchost.exe functions.

Open source virtualization tool supporting x86/AMD64, runs on Windows, Linux, Mac, Solaris. Offers portable, lightweight, ad-free use.

Sandboxie Plus creates a sandbox-like isolated operating environment in which applications can be run or installed without permanently modifying the local or mapped drive.

Tor is free software and an open network that helps you defend against traffic analysis, a form of network surveillance that threatens personal freedom and privacy, confidential business activities and relationships, and state security.

The I2P network provides strong privacy protections for communication over the Internet. Many activities that would risk your privacy on the public Internet can be conducted anonymously inside I2P.

This isn't as private as Librewolf or Mullvad Browser. But it's still more private than Chrome or Edge.

A hardened fork of Firefox with ublock.

A fork of Firefox that's inspired by Tor Browser. It's meant to be used with a VPN. Since part of the company's wide acclaim among privacy advocates is their VPN service. However if you use another VPN, you may lose out on certain features like their mullvad.leta search engine or their extension that chooses a different location for each site.

Cross-platform email client providing POP/IMAP support, robust filtering, multiple accounts, and chat. Extendable via add-ons with RSS/Atom, etc.

Protonmail is more private than most email providers. However they cracked down on activists a couple of times. So be sure to use it over Tor if that's what you're using it for.

I'd say same as with protonmail. But I'm not sure if they allow for use over Tor.

Email over the I2P network. It can also be used over Thunderbird with pgp keys. But if you do this, make sure Thunderbird is automatically routed through either I2P or Tor.

It gained a considerable amount of trust after protecting protesters. It also has a .onion url. But it should be noted they lost trust after they got subpoenaed. Same goes for their vpn.