Popular: Data updated October 27, 2026

Categories

Internet1,356
Communication321
Audio & video898
Graphics & design539
Office & productivity1,124
Developer tools3,134
AI tools529
Security & privacy385
System tools3,114
Games523
Education & science239
Network & IT284

Security & privacy for Windows (page 4)

Antivirus, password managers, encryption, firewalls and backup.

This category lists 385 Windows apps: 47% open source, 12% free closed source. The most popular are Bitwarden, KeePassXC and Cryptomator. 43 have a native ARM64 build and 383 a documented silent install. Last update: October 27, 2026.

#App Licence
151 AdGuard BetaA unique adblock program for Windows that has all the necessary features for the best web experience. 8.0.5553.0 Proprietary August 14, 2026 120.8 MB ★ 897
152 2FAGuardA modern and secure Windows app for managing your 2FA authentication codes 1.8.4 Open source October 10, 2026 — ★ 208
153 CryptrA GUI for Vault 0.6.0 Open source March 21, 2024 — ★ 507
154 AdGuardAdGuard is a unique adblock program for Windows that has all the necessary features for the best web experience. 8.0.5587 Proprietary October 22, 2026 122.0 MB —
155 VerifpalCryptographic protocol analysis for real-world cryptographic protocols. 1.6.6 Open source October 11, 2026 — ★ 135
156 OpenTubeXA private YouTube client 0.36.1 Open source October 15, 2026 — ★ 140
157 totp-cliThis is a simple TOTP (Time-based One-time Password) CLI tool. TOTP is the most common mechanism for 2FA (Two-Factor-Authentication). You can manage and organize your accounts with namespaces and protect your data with a password. 1.9.2 Open source April 4, 2025 — ★ 379
158 Aster MailCross-platform encrypted email client 1.4.78 Open source October 26, 2026 — ★ 84
159 Pi-hole clientPi-hole desktop client 1.10.1 Open source September 21, 2026 — ★ 117
160 AppcopierBack up key things on your Windows PC, perform a reset or simply go back in time. 0.30.0 Open source February 24, 2025 — ★ 430
161 PHD 2A telescope guiding software that simplifies the process of tracking a guide star, letting you concentrate on other aspects of deep-sky imaging or spectroscopy. 2.6.14 Open source December 29, 2025 32.2 MB ★ 302
162 ProteccProtecc is a modern open source 2FA TOTP code authenticator client for Windows with a wide range of customization and privacy features such as Windows Hello support, privacy filter and export. 1.2.11.0 Open source January 16, 2025 — ★ 389
163 AdGuard VPNTopnotch VPN by AdGuard. Your ultimate solution for the safe Internet without restrictions. Must-have when you need uncompromising online privacy protection. 2.9.2004.0 Proprietary March 19, 2026 — ★ 211
164 Gpg4winA secure solution for file and email encryption. 5.1.1 Open source September 23, 2026 44.8 MB —
165 keyroostProgram Token2 Molto2 TOTP tokens and manage FIDO2/OATH/OpenPGP/PIV security keys. 0.14.0 Open source October 20, 2026 — ★ 70
166 PasskyA simple, modern, lightweight, open-source and secure password manager. 8.1.3 Open source March 9, 2026 — ★ 72
167 Password TechProfessional password generator and password manager with full Unicode support, formerly known as PWGen for Windows. 100% free and open source. 3.6.1 Open source October 20, 2026 — ★ 74
168 DPIBreakFast and easy-to-use DPI circumvention tool in Rust 0.6.2 Open source July 14, 2026 — ★ 146
169 DJI Metadata EmbedderEmbed telemetry data from DJI drone SRT files into MP4 video files 2.18.0 Open source October 2, 2026 — ★ 32
170 a2faa2fa ("annoying two-factor authentication") is a command line tool for generating and validating one-time password. 0.16.5 Open source November 15, 2023 — ★ 129
171 DuckDNSA simple C# DuckDNS updater. 2.2b Open source April 15, 2024 — ★ 163
172 RelightLabA RTI app for creating and visualizing Reflectance Transformation Imaging 2026.01 Open source March 29, 2026 — ★ 117
173 vault-token-helperVault Token Helper with support for secure token storage and multiple Vault servers. 0.3.7 Open source January 13, 2026 — ★ 117
174 AdGuard DNS CLIA lightweight DNS client for AdGuard DNS. It operates as a DNS server that forwards DNS requests to the corresponding upstream resolvers. 0.1.1 Open source May 8, 2026 — ★ 110
175 Micro Hosts EditorMicro Hosts Editor 1.6.2.0 Open source July 7, 2025 — ★ 93
176 hostsmgrConsole tool for sysadmins and other peoples who need to autoupdate the "hosts" file. Command line use required. 2.1.1 Open source August 11, 2025 — ★ 82
177 KeePassRDPKeePassRDP is a plugin for KeePass 2.x that adds useful options to connect to the URL of an entry with RDP. 2.3 Open source March 30, 2025 — ★ 78
178 aliceandbob.ioA free, light and easy to use PGP tool based on OpenPGP.js. 1.1.0-Beta2 Open source June 12, 2022 — ★ 41
179 AroCryptStrong encryption & steganography made simple — secure your data effortlessly with AroCodes’ trusted toolkit. v0.8.1 Open source July 2, 2025 — ★ 57
180 I2PChatQt-based I2P chat client. 0.2.37 Open source April 13, 2026 — ★ 35
181 AuthGeekA desktop two-factor authenticator that keeps your codes in one encrypted file. 1.0.0 Open source September 27, 2026 — 9 ↓
182 TruthyTauri + Authy/Aegis = Truthy 1.1.0 Open source November 28, 2024 — ★ 34
183 HostyHosts file manager based on Electron. 0.8.10.137 Open source August 11, 2025 — ★ 27
184 O2O2 is a safe and flexible archive for personal data, such as contacts, accounts, credit cards, Wi-Fi settings, and everything that comes to your mind. 3.4.0 Open source August 28, 2026 — ★ 6
185 YAHBYAHB is a deduplicating file copy tool, intended for backup use. Deduplication works on the file-level with NTFS hardlinks. 1.1.0.0 Open source March 19, 2026 — ★ 13
186 gfgLockSecure AES-256 file encryption and decryption - fast, simple, reliable 3.2.0 Open source October 23, 2026 — ★ 11
187 NordPassSecurely Store, Manage & Autofill Passwords 7.12.14 Proprietary October 26, 2026 129.3 MB —
188 OdinWindows developer workstation snapshot, restore, sync, and diagnostics CLI. 0.13.1 Open source July 15, 2026 — ★ 3
189 Wondershare RecoveritQuickly restore precious documents, emails, and other files. 15.0.2.5 Proprietary October 21, 2026 207.9 MB —
190 SensitivityDirect USB Xiaomi Recovery flash and rescue tool. 1.1.3 Open source September 24, 2026 — ★ 13
191 Token2 Companion AppThe Token2 Companion App v2 is a desktop application for managing OTP (One-Time Password), FIDO, and PIV functionalities. It allows users to add, manage, and secure authentication tokens, OTP accounts, and FIDO2 keys. 2.0.2.R6 Proprietary April 30, 2026 40.0 MB 7 ↓
192 Wondershare MobileTransPhone to phone data transfer for everyone. 5.5.0 Proprietary September 18, 2026 230.9 MB —
193 DeepCleanerA powerful Windows temporary files cleaner. 0.1.52.3 Open source January 21, 2026 — ★ 4
194 AppClonerClone Windows apps with independent sessions - run the same app with several accounts at once. 4.0.0 Proprietary September 1, 2026 — ★ 8
195 EnpassEnpass is a cross-platform password management app to securely store passwords and other credentials in a virtual vault locked with a master password. Unlike most other popular password managers, Enpass is an offline password manager. 6.12.6.2723 Proprietary September 14, 2026 85.5 MB —
196 Proton Pass CLIProton Pass CLI is a command-line interface for managing your Proton Pass vaults, items, and secrets. 2.5.1 Proprietary October 21, 2026 16.0 MB —
197 haveibeenpwnedhaveibeenpwned is a command-line application that uses HaveIBeenPwned service and can create and use Binary Fuse filter (which is smaller than Bloom filter or Cuckoo filter for the same false positive ratio) for efficient query at cost of false positives. 1.0.0 Open source June 19, 2022 — ★ 4
198 EqhoFree, offline voice-to-text dictation. Press a hotkey, speak, and your words appear in any app — 100% local, powered by Whisper. 0.8.10 Open source October 23, 2026 — ★ 4
199 FileHistoryCloneA lightweight, tray-resident Windows "File History"-style continuous versioned backup tool. 1.1.0 Open source July 24, 2026 — ★ 4
200 sFirewallsFirewall is a Python-based application built using the Tkinter library, designed to enhance the security of computer systems or networks. 1.5 Proprietary April 28, 2025 — ★ 5