Security
Every listing in the Security section, from all 7 categories below.
862 results, page 19 of 29
ocserv
An open-source Linux SSL VPN server compatible with OpenConnect and AnyConnect clients.
Octelium
A self-hosted zero trust access platform that can act as a remote access VPN or ZTNA gateway.
Olvid
An end-to-end encrypted messenger that works without a phone number, email address or other personal data.
OpenBSD
A free, security-focused BSD Unix operating system that runs on many hardware platforms.
OpenCanary
A lightweight multi-protocol honeypot daemon that alerts when someone touches fake network services.
OpenConnect
An open-source command-line client for Cisco AnyConnect, GlobalProtect, Fortinet and other SSL VPNs.
OpenCTI
A self-hosted open-source platform for storing, organizing and visualizing cyber threat intelligence.
Openfire
An open-source XMPP chat server you host yourself, administered through a web console.
OpenKeychain
An open-source Android app that manages OpenPGP keys and encrypts, decrypts and signs messages and files.
OpenSCAP
Open source tools for scanning systems against SCAP security policies and hardening baselines.
OpenSnitch
An interactive application firewall for Linux that asks before letting any program make an outbound connection.
OpenSSL
Work with certificates and cryptography using a widely used toolkit.
OpenVAS
Full-featured open-source vulnerability scanner.
OpenVPN Access Server
A self-hosted business VPN server with a web admin interface, free for two simultaneous connections.
OpenVPN for Android
An open-source OpenVPN client for Android, developed as a spare-time project by Arne Schwabe.
OpenWrt adblock
A DNS-based ad and abuse domain blocking package for OpenWrt routers, covering every device on the network.
OpenZFS
An open-source filesystem and volume manager with built-in native encryption for datasets.
OpenZiti
An open-source zero trust networking platform that connects services by identity instead of IP address.
Optery
A personal data removal service that finds and opts you out of data broker and people-search sites.
Optimizer
Windows privacy and tweaking utility, now deprecated in favour of its successor OptimizerNXT.
Orbot
Tor VPN for Android and iOS that can route chosen apps.
OSFMount
A free Windows utility that mounts disk image files as drives and creates RAM disks.
OSSEC
An open-source host-based intrusion detection system with log analysis, file integrity monitoring and active response.
OSV-Scanner
Check project dependencies against the OSV vulnerability database.
OTPClient
A GTK4 desktop app for managing TOTP and HOTP two-factor codes in encrypted databases.
Outline VPN
Self-run VPN server built on Shadowsocks, made for censored networks.
OverSight
Receive macOS alerts about microphone and camera activity.
OVPN
A Swedish paid VPN service with a no-logging policy and diskless servers on hardware it owns.
OWASP Juice Shop
An intentionally insecure web shop covering the OWASP Top Ten, used for security training and CTFs.
OwnTracks
Open-source location tracking app that sends your position to a server you choose or host yourself.
