CyberChefSecurity & PrivacyThe Cyber Swiss Army KnifeGH35KGitHub starsViews8viewsFreeOpen SourceSecurityOpen Source
OWASP ZAPSecurity & PrivacyOpen-source web application security scannerGH15.2KGitHub starsViews7viewsOpen SourceSecurityOpen Source
GrypeSecurity & PrivacyVulnerability scanner for container images and filesystems. Developed by Anchore, it scans container images, directories, and archives for known vulnerabilities. Supports multiple image formats, SBOM GH12.3KGitHub starsViews7viewsOpen Source
Your OpenSSL CSR command is out of dateSecurity & PrivacyYour OpenSSL CSR command is out of dateViews5viewsFree
trivySecurity & PrivacyA Simple and Comprehensive Vulnerability Scanner for Containers and other Artifacts, Suitable for CI. Trivy detects vulnerabilities of OS packages (Alpine, RHEL, CentOS, etc.) and application dependenGH36.1KGitHub starsViews5viewsOpen Source
ThreatMapperSecurity & PrivacyVulnerability Scanner and Risk Evaluation for containers, serverless and hosts at runtime. ThreatMapper generates runtime BOMs from dependencies and operating system packages, matches against multipleGH5.3KGitHub starsViews5viewsOpen Source
SafetySecurity & PrivacyPython dependency vulnerability scanner designed to enhance software supply chain security by detecting packages with known vulnerabilities. Checks Python dependencies against a database of known secuViews5viewsFree
MMixCertificateSecurity & PrivacyCreate, send, and manage certificates in minutesPH11Product Hunt votesViews4viewsFreemium
Let's EncryptSecurity & PrivacyFree SSL/TLS certificatesViews4viewsFreeOpen SourceSecurityOpen Source
JoplinSecurity & PrivacyNote taking application with markdown editor and encryption support for mobile and desktop platforms. Runs client-side and syncs through a self hosted Nextcloud instance or similar (alternative to EveViews4viewsFree
brakemanSecurity & PrivacyA static analysis security vulnerability scanner for Ruby on Rails applications.Views4viewsFree
2FAuthSecurity & PrivacyManage your Two-Factor Authentication (2FA) accounts and generate their security codes. ([Demo](https://demo.2fauth.app/)) AGPL-3.0 PHP/DockerGH4KGitHub starsViews4viewsOpen Source
otsSecurity & PrivacyShare secrets with others via a one-time URL.GH1.8KGitHub starsViews4viewsOpen Source
SharrySecurity & PrivacyShare files easily over the internet between authenticated and anonymous users (both ways) with resumable up- and downloads. GPL-3.0 Scala/Java/deb/DockerGH1.3KGitHub starsViews4viewsOpen Source
VulsSecurity & PrivacyAgent-less Linux vulnerability scanner based on information from NVD, OVAL, etc. It has some container image support, although is not a container specific tool.Views4viewsFree
OpenSSL example configuration fileSecurity & PrivacyOpenSSL example configuration fileViews4viewsFree
OpenVPNSecurity & PrivacyUses a custom security protocol that utilizes SSL/TLS for key exchange.Views4viewsFree
KuvaszUptimeSecurity & PrivacyPerformant, stable uptime & SSL monitoring service with brandable status pages, IAC support, Prometheus integration and a complete REST API. ([Demo](https://kuvasz-uptime.dev/demo/), [Source Code](httViews4viewsFree
Generate a multi domains certificate using config filesSecurity & PrivacyGenerate a multi domains certificate using config filesViews4viewsOpen Source
dawnscannerSecurity & PrivacyA static analysis security scanner for ruby written web applications. It supports Sinatra, Padrino and Ruby on Rails frameworks.GH749GitHub starsViews4viewsOpen Source
CorgeaSecurity & Privacycopyright: — Corgea is an AI-powered SAST scanner that helps developers find and fix insecure code. It finds business logic flaws, broken authentication, API vulnerabilities, and more with little falViews4viewsFree
fwknopSecurity & PrivacyProtects ports via Single Packet Authorization in your firewall.Views4viewsFree
Tsunami Security ScannerSecurity & PrivacyA general purpose network security scanner with an extensible plugin system for detecting high severity RCE-like vulnerabilities with high confidence. Custom detectors for finding vulnerabilities (e.GH8.6KGitHub starsViews4viewsOpen Source
How to create multidomain certificates using config filesSecurity & PrivacyHow to create multidomain certificates using config filesViews4viewsFree
VulertSecurity & PrivacyDependency vulnerability monitoring service for open-source packages.Views3viewsFree
WatcharrSecurity & PrivacyAdd and track all the shows and movies you are watching. Comes with user authentication, modern and clean UI and a very simple setup. ([Demo](https://beta.watcharr.app/)) MIT DockerGH1.4KGitHub starsViews3viewsOpen Source
FreeIPASecurity & PrivacyIntegrated security information management solution combining Linux (Fedora), 389 Directory Server, Kerberos, NTP, DNS, and Dogtag Certificate System (web interface and command-line administration tooViews3viewsFree
certificate-ripperSecurity & PrivacyExtract server certificates.GH911GitHub starsViews3viewsOpen Source
SnortSecurity & PrivacySnort is a free and open source network intrusion prevention system (NIPS) and network intrusion detection system (NIDS) created by Martin Roesch in 1998.Views3viewsFree
OPNsenseSecurity & PrivacyAn open source FreeBSD-based firewall and router with traffic shaping, load balancing, and virtual private network capabilities. ([Source Code](https://github.com/opnsense)) BSD-2-Clause C/PHPViews2viewsFree
AutheliaSecurity & PrivacyThe Single Sign-On Multi-Factor portal for web apps. ([Source Code](https://github.com/authelia/authelia)) Apache-2.0 GoViews2viewsFree
AuthentikSecurity & PrivacyFlexible identity provider with support for different protocols. (OAuth 2.0, SAML, LDAP and Radius). ([Source Code](https://github.com/goauthentik/authentik)) MIT PythonViews2viewsFree
ZITADELSecurity & PrivacyCloud-native Identity & Access Management solution providing a platform for secure authentication, authorization and identity management. ([Source Code](https://github.com/zitadel/zitadel)) Apache-2.0Views2viewsFree
DeadboltSecurity & PrivacyOpen-source file encryption tool. [![Open-Source Software][OSS Icon]](https://github.com/alichtman/deadbolt) ![Freeware][Freeware Icon]GH415GitHub starsViews2viewsOpen Source
Antivirus OneSecurity & PrivacySecurity scanner for malware, adware, and web threats. ![Freeware][Freeware Icon] [![App Store][app-store Icon]](https://apps.apple.com/app/apple-store/id1068435535?pt=444218&ct=GitHub&mt=8&platform=mViews2viewsFree
PureSnitchSecurity & PrivacyOpen-source application firewall with a Little Snitch-style world map, rule manager, DNS over HTTPS, and pf-based blocking, with no telemetry. [![Open-Source Software][OSS Icon]](https://github.com/moGH19GitHub starsViews2viewsOpen Source
NextDNSSecurity & PrivacyThe new firewall for the modern Internet. ![Freeware][Freeware Icon] [![App Store][app-store Icon]](https://apps.apple.com/us/app/nextdns/id1464122853?platform=mac)Views2viewsFree
ParaSecurity & PrivacyFlexible and modular backend framework/server for object persistence, API development and authentication. ([Source Code](https://github.com/erudika/para)) Apache-2.0 Java/DockerViews2viewsFree
andcliSecurity & PrivacyWork with 2FA tokens from multiple OTP providers.GH141GitHub starsViews2viewsOpen Source
IPFireSecurity & PrivacyFree network firewall distribution, based on the Linux operating system with easy-to-use web management console. ([Source Code](https://git.ipfire.org/?p=ipfire-2.x.git;a=summary)) GPL-2.0 Shell/PHP/OViews2viewsFree
BunkerWebSecurity & PrivacyNext-gen Web Application Firewall (WAF) that will protect your web services. ([Demo](https://demo.bunkerweb.io), [Source Code](https://github.com/bunkerity/bunkerweb), [Clients](https://docs.bunkerwebViews2viewsFree
TeleportSecurity & PrivacyCertificate authority and access plane for SSH, Kubernetes, web applications, and databases. ([Source Code](https://github.com/gravitational/teleport)) Apache-2.0 Go/Docker/K8SViews2viewsFree
Infisical Community EditionSecurity & PrivacyPlatform for secrets, certificates, and privileged access management. ([Source Code](https://github.com/Infisical/infisical)) MIT Docker/K8S/debViews2viewsFree
UUSEC WAFSecurity & PrivacyIndustry-leading high-performance, AI and semantic technology web application firewall and API security gateway (fork of nginx). ([Source Code](https://github.com/Safe3/uusec-waf)) GPL-3.0 C/Lua/DockeViews2viewsFree
Mana SecuritySecurity & Privacyvulnerability management app for individuals. [![Open-Source Software][OSS Icon]](https://github.com/manasecurity/mana-security-app)Views2viewsFree
PassItSecurity & PrivacySimple password manage with sharing features by group and user, but no administration interface. ([Demo](https://app.passit.io/), [Source Code](https://gitlab.com/passit)) AGPL-3.0 Docker/PythonViews1viewsFree
etcdSecurity & PrivacyDistributed K/V-Store, authenticating via SSL PKI and a REST HTTP Api for shared configuration and service discovery. ([Source Code](https://github.com/etcd-io/etcd)) Apache-2.0 GoViews1viewsFree
LuLuSecurity & PrivacyLuLu is the free macOS firewall that aims to block unauthorized (outgoing) network traffic. [![Open-Source Software][OSS Icon]](https://github.com/objective-see/LuLu) [![Open-Source Software][OSS IconViews1viewsFree
AnubisSecurity & PrivacyWeb AI firewall utility which protects upstream resources from scraper bots. ([Source Code](https://github.com/TecharoHQ/anubis)) MIT Docker/deb/GoViews1viewsFree
Zero-TOTPSecurity & PrivacyComplete, reliable, secure and zero-trust webapp based on zero-knowledge encryption to store your TOTP codes. ([Source Code](https://github.com/SeaweedbrainCY/zero-totp)) GPL-3.0 DockerViews1viewsFree