Cactus

Safe software we recommend

Trustworthy security tools, favouring free and open-source options - to protect your passwords, messages, browsing, and devices.

Build a Windows install script

Tick the apps you want below and we'll generate one script that installs them all with winget, Microsoft's built-in package manager. We host nothing - winget downloads each app from its official source.

No apps selected yet.

Tick "Add to install script" on the apps you want, then copy the script from here.

Windows 10 and 11 include winget. Paste the script into PowerShell or Terminal and press Enter. Always review a script before you run it.

Password managers

Generate and store a unique password for every account so one breach can never cascade.

Bitwarden

Open source Free + paid plans

Full-featured, audited, and works on every platform. The free tier covers most people.

Visit Bitwarden

KeePassXC

Open source Free

An offline vault stored as a file you control - no cloud account required.

Visit KeePassXC

1Password

Paid

Polished and family-friendly. Paid only, but widely trusted and easy for non-technical users.

Visit 1Password

Proton Pass

Open source Free + paid plans

From the makers of Proton Mail - open-source, with built-in 2FA and email aliases. Solid free tier.

Visit Proton Pass

Two-factor authentication apps

Generate the 6-digit codes that add a second lock to your accounts. Safer than text-message codes.

Ente Auth

Open source Free

Cross-platform, open-source, with encrypted backups so you do not lose your codes.

Visit Ente Auth

Aegis Authenticator

Open source Free

A well-regarded open-source authenticator for Android.

Android only.

Visit Aegis Authenticator

2FAS

Open source Free

Open-source authenticator for iPhone and Android, with optional encrypted backup.

Visit 2FAS

Web browsers

Your browser is your front door to the web - these put privacy and security first.

Mozilla Firefox

Open source Free

Independent, open-source, with strong built-in tracking protection.

Visit Mozilla Firefox

Brave

Open source Free

Chromium-based with ads and trackers blocked by default.

Optional crypto features can be turned off.

Visit Brave

Mullvad Browser

Open source Free

A privacy-hardened browser from Mullvad and the Tor Project - strong anti-fingerprinting, without needing the Tor network.

Desktop only.

Visit Mullvad Browser

Tor Browser

Open source Free

Routes your traffic through the Tor network for anonymity. Slower, but the strongest option for sensitive browsing.

Visit Tor Browser

LibreWolf

Open source Free

A Firefox fork hardened for privacy out of the box, with no telemetry - maximum privacy with minimal setup.

Visit LibreWolf

Ad and tracker blockers

Blocking ads and trackers also blocks a common path for malware ("malvertising").

uBlock Origin

Open source Free

The gold-standard, lightweight, open-source content blocker for Firefox and Chromium browsers.

Visit uBlock Origin

Privacy Badger

Open source Free

A set-and-forget tracker blocker from the EFF that learns to block hidden trackers as you browse. Pairs well with uBlock Origin.

Visit Privacy Badger

Private messaging

End-to-end encrypted messaging so only you and the recipient can read your conversations.

Signal

Open source Free

The benchmark for private messaging - open-source, nonprofit, and end-to-end encrypted by default.

Visit Signal

SimpleX Chat

Open source Free

A newer open-source messenger with no user IDs or phone numbers at all - the most metadata-private option.

Newer, with a smaller community than Signal.

Visit SimpleX Chat

Private email

Encrypted email providers that do not mine your inbox for advertising.

Proton Mail

Open source Free + paid plans

Encrypted email with a usable free tier.

Based in Switzerland (strong privacy laws).

Visit Proton Mail

Tuta

Open source Free + paid plans

Encrypted email and calendar, open-source, with a free tier.

Based in Germany.

Visit Tuta

Mailbox.org

Paid

A privacy-respecting paid email and office suite, popular in Europe.

Based in Germany.

Visit Mailbox.org

Anti-malware

Protection against viruses and malware. You likely already have a capable option built in.

Microsoft Defender

Free

Built into Windows 10 and 11 and genuinely good - just keep real-time protection on.

Already included with Windows; no install needed.

Visit Microsoft Defender

Malwarebytes

Free + paid plans

A trusted second-opinion scanner; the free version cleans up infections on demand.

Visit Malwarebytes

VPNs

A VPN hides your IP from websites and your traffic from your local network - but it is not anonymity, and you are trusting the provider. Choose a reputable no-logs service and avoid "free" VPNs that monetize your data.

Proton VPN

Open source Free + paid plans

Open-source apps and the only reputable VPN with a genuinely unlimited free tier.

Based in Switzerland; independently audited.

Visit Proton VPN

Mullvad

Open source Paid

Privacy-first, flat-rate, and you can sign up without an email address.

Visit Mullvad

IVPN

Open source Paid

Privacy-focused, open-source apps, independently audited, with no-logs and anonymous sign-up.

Visit IVPN

Encrypted cloud storage

Cloud storage where files are encrypted before they leave your device, so the provider cannot read them.

Proton Drive

Open source Free + paid plans

End-to-end encrypted cloud storage from Proton, with a free tier.

Based in Switzerland.

Visit Proton Drive

Ente Photos

Open source Free + paid plans

End-to-end encrypted photo backup - a private alternative to Google Photos or iCloud.

Visit Ente Photos

File and disk encryption

Lock files, folders, or whole drives so they are unreadable without your password - essential if a device is lost or stolen.

VeraCrypt

Open source Free

Create encrypted containers or encrypt entire drives. The trusted successor to TrueCrypt.

Visit VeraCrypt

Cryptomator

Open source Free

Encrypts your files before they sync to Dropbox, Google Drive, or any cloud.

Visit Cryptomator

BitLocker

Free

Full-disk encryption built into Windows Pro - turn it on to protect a lost or stolen laptop.

Built into Windows Pro/Enterprise; on macOS, turn on FileVault.

Visit BitLocker

Secure DNS and filtering

DNS is how your device looks up websites. A filtering resolver can block malicious and tracking domains for your whole network.

NextDNS

Free + paid plans

Cloud DNS filtering that blocks malware, trackers, and ads across all your devices. Generous free tier.

Visit NextDNS

Quad9

Free

A free public DNS resolver that blocks known malicious domains. Just change one setting.

Nonprofit, based in Switzerland.

Visit Quad9

Cloudflare 1.1.1.1 for Families

Free

A fast, free public DNS that can block malware (1.1.1.2) or malware plus adult content (1.1.1.3). Simple to set up.

Visit Cloudflare 1.1.1.1 for Families

Backup

Regular backups are the single best defence against ransomware and lost or broken devices. Keep at least one copy offline or in the cloud.

Duplicati

Open source Free

Open-source, encrypted, scheduled backups to almost any cloud or drive.

Visit Duplicati

Veeam Agent (Free)

Free

Free, reliable full-image backup for Windows - restore your whole system after a failure.

Visit Veeam Agent (Free)

Private search engines

Search engines that don't profile you or build an advertising dossier from your queries.

DuckDuckGo

Free

The best-known private search engine - no tracking and no search-history profile.

Visit DuckDuckGo

Brave Search

Free

An independent search index (not a Bing or Google reskin) with a privacy focus.

Visit Brave Search

Startpage

Free

Google results without the tracking, proxied through Startpage.

Based in the Netherlands.

Visit Startpage

Email aliases

Hide your real email behind unique aliases you can disable anytime - great against spam and after data breaches.

SimpleLogin

Open source Free + paid plans

Open-source email aliasing from Proton. Create a unique address for every site and shut off spam at the source.

Visit SimpleLogin

addy.io

Open source Free + paid plans

Open-source anonymous email forwarding with a generous free tier (formerly AnonAddy).

Visit addy.io

Encrypted notes

Note apps that encrypt your content so only you can read it, synced across your devices.

Standard Notes

Open source Free + paid plans

End-to-end encrypted notes, independently audited, with a long-term focus on durability.

Visit Standard Notes

Joplin

Open source Free

Open-source notes and to-dos with optional end-to-end encryption and your choice of sync.

Visit Joplin