Security & Privacy16.0kGPL-3.0Freemium+2BitwardenCross-platform password manager with end-to-end encryption and secure vault sharingself-hostede2e-encryptedcross-platformAlternative to: LastPass, 1PasswordExplore
Security & Privacy21.0kGPL-3.0FreeKeePassXCOffline password manager that stores credentials in an encrypted local database filedesktope2e-encryptedcross-platformAlternative to: LastPass, 1PasswordExplore
Security & Privacy39.0kAGPL-3.0FreeVaultwardenLightweight self-hosted server compatible with the Bitwarden client apps and browser extensionsself-hosteddockere2e-encryptedAlternative to: LastPass, 1PasswordExplore
Security & Privacy2.7kAGPL-3.0Freemium+3PadlocMinimalist password manager with cross-platform support and end-to-end encrypted cloud synce2e-encryptedcross-platformself-hostedAlternative to: LastPass, 1PasswordExplore
Security & Privacy22.0kApache-2.0FreeAutheliaSelf-hosted authentication and authorization server providing single sign-on and two-factor access controlself-hosteddockergolangAlternative to: Okta, Auth0Explore
Security & Privacy23.5kApache-2.0FreeKeycloakEnterprise identity and access management solution with single sign-on, social login, and user federationself-hosteddockerenterpriseAlternative to: Okta, Auth0Explore
Security & Privacy9.0kApache-2.0FreemiumZITADELCloud-native identity management platform with built-in multi-tenancy and OIDC/SAML supportself-hostedgolangdockerAlternative to: Okta, Auth0Explore
Security & Privacy14.0kotherFreemiumauthentikSelf-hosted identity provider supporting SAML, OAuth, and LDAP for unified authenticationself-hosteddockerpythonAlternative to: Okta, Auth0Explore
Security & Privacy15.8kApache-2.0FreemiumOry HydraOpenID Connect certified OAuth 2.0 server and authorization layer for secure API accessself-hostedgolangdockerAlternative to: Okta, Auth0Explore
Security & Privacy4.6kGPL-3.0FreeClamAVOpen source antivirus engine for detecting trojans, viruses, malware, and other threatsself-hostedclicross-platformAlternative to: Norton, McAfeeExplore
Security & Privacy10.8kGPL-3.0FreeOpenSnitchGNU/Linux application firewall that monitors and controls outbound network connections per processdesktoppythonprivacy-focusedAlternative to: Norton, McAfeeExplore
Security & Privacy10.0kGPL-3.0Free+1WireGuardFast modern VPN tunnel using state-of-the-art cryptography with minimal attack surfaceself-hostedprivacy-focusedlightweightAlternative to: NordVPN, ExpressVPNExplore
Security & Privacy24.0kBSD-3FreeHeadscaleSelf-hosted coordination server for WireGuard-based mesh networking across distributed devicesself-hostedgolangdockerAlternative to: NordVPN, ExpressVPNExplore
Security & Privacy11.5kBSD-3Freemium+2NetBirdPeer-to-peer VPN that creates secure private networks using WireGuard with zero configurationself-hostedgolangdockerAlternative to: NordVPN, ExpressVPNExplore
Security & Privacy6.8kApache-2.0Freemium+2FirezoneSelf-hosted VPN server and firewall with a web-based management interface for WireGuard tunnelsself-hosteddockerweb-basedAlternative to: NordVPN, ExpressVPNExplore
Security & Privacy10.8kGPL-3.0Freemium+1OpenVPNFull-featured SSL VPN solution for secure point-to-point and site-to-site network connectionsself-hostedcross-platformcliAlternative to: NordVPN, ExpressVPNExplore
Security & Privacy11.0kGPL-3.0FreeWazuhUnified security monitoring platform for threat detection, integrity checking, and incident responseself-hosteddockerenterpriseAlternative to: CrowdStrike, Splunk SecurityExplore
Security & Privacy4.6kGPL-3.0FreeOSSECHost-based intrusion detection system that performs log analysis, rootkit detection, and alertingself-hostedclicross-platformAlternative to: CrowdStrike, Splunk SecurityExplore
Security & Privacy5.0kGPL-3.0FreeSuricataHigh-performance network intrusion detection and prevention engine with protocol inspection capabilitiesself-hostedcliAlternative to: CrowdStrike, Splunk SecurityExplore
Security & Privacy1.8kGPL-3.0FreeSnortNetwork intrusion detection and prevention system using rule-based real-time traffic analysisself-hostedcliAlternative to: CrowdStrike, Splunk SecurityExplore
Security & Privacy2.4kGPL-3.0FreeSecurity OnionLinux distribution for threat hunting, network security monitoring, and enterprise log managementself-hosteddockerenterpriseAlternative to: Splunk Security, CrowdStrikeExplore
Security & Privacy3.2kGPL-3.0FreeOpenVASFull-featured vulnerability scanner that identifies security issues across network infrastructureself-hosteddockerenterpriseAlternative to: CrowdStrike, NortonExplore
Security & Privacy24.0kApache-2.0FreeTrivyComprehensive vulnerability scanner for containers, file systems, Git repositories, and cloud infrastructurecligolangdockerAlternative to: CrowdStrike, Splunk SecurityExplore
Security & Privacy7.5kApache-2.0FreeFalcoCloud-native runtime security tool that detects anomalous activity in containers and Kubernetesself-hostedkubernetesdockerAlternative to: CrowdStrike, Splunk SecurityExplore