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launched · #open-source
1072 matchesApache SpamAssassin
The #1 Open Source anti-spam platform for classifying and blocking email spam
Securityanti-spamemail-filteringopen-sourceWireshark
The world's leading network protocol analyzer
Dev Toolsnetwork-analysispacket-captureprotocol-analyzerXplico
Open Source Network Forensic Analysis Tool (NFAT)
Securitynetwork-forensicsopen-sourcepacket-analysisFail2Ban
Daemon to ban hosts that cause multiple authentication errors
Securityintrusion-preventionfirewallbrute-force-protectionCISOfy
Simplify security audits for Linux, macOS, and Unix systems
Securitysecurity-auditinglinuxcomplianceSSHGuard
Protects hosts from brute-force attacks against SSH and other services.
Securitybrute-force-protectionsshfirewallSnort
Network Intrusion Detection & Prevention System for Linux and Windows
Securitynetwork-securityintrusion-detectionids-ipsntop
Network Visibility and Cybersecurity
Ops & Infranetwork-monitoringtraffic-analysiscybersecurityKali Linux
The most advanced Penetration Testing Distribution
Securitypenetration-testingethical-hackinglinux-distributionTsurugi Linux
The sharpest weapon in your DFIR arsenal
Securitydfirdigital-forensicslinux-distroZeek
The world's leading platform for network security monitoring
Securitynetwork-securityopen-sourceintrusion-detectionOpenVAS
Open Vulnerability Assessment Scanner by Greenbone
Securityvulnerability-scanneropen-sourcenetwork-securityPassbolt
Open source password & secret management for any business, any size.
Securitypassword-manageropen-sourceself-hostedKeycloak
Open source identity and access management with minimum effort.
Securityidentity-managementsingle-sign-onoauthAuthelia
Free open-source modern IAM solution with OpenID Connect support
Securityiamssoopenid-connectWhonix
Superior Internet Privacy with Whonix — anonymize everything you do online
SecurityprivacyanonymitytorQubes OS
A reasonably secure operating system for personal computers
Securityoperating-systemopen-sourcesecurityMISP
Open Source Threat Intelligence and Sharing Platform
Securitythreat-intelligenceopen-sourceiocSnort
Network Intrusion Detection & Prevention System
Securityintrusion-detectionnetwork-securityopen-sourceWazuh
Unified XDR and SIEM protection for endpoints and cloud workloads.
Securityxdrsiemopen-sourceFail2Ban
Daemon to ban hosts that cause multiple authentication errors
Securitysecurityfirewallbrute-force-protectionOWASP Foundation
The Open Source Foundation for Application Security
Securityapplication-securityopen-sourceweb-securityWireshark
The world's leading network protocol analyzer
Dev Toolsnetwork-analysispacket-captureprotocol-analyzerOpenVAS
Full-featured open-source vulnerability scanner by Greenbone
Securityvulnerability-scanneropen-sourcenetwork-securityNmap
Free and open source network discovery and security auditing utility
Securitynetwork-scannerport-scanneropen-sourceKali Linux
The most advanced Penetration Testing Distribution
Securitypenetration-testingethical-hackinglinuxWireGuard
Fast, modern, secure VPN tunnel
SecurityvpnnetworkingcryptographyDefguard
Enterprise WireGuard VPN with built-in MFA and full sovereignty.
SecurityvpnwireguardmfastrongSwan
Open-source, modular and portable IPsec-based VPN solution
Securityvpnipsecopen-sourceXen Project
Bring the power of open virtualization everywhere.
Ops & Infravirtualizationhypervisoropen-sourceXCP-ng
XenServer Based, Community Powered — your seamless hypervisor
Ops & Infravirtualizationhypervisoropen-sourceQEMU
Run operating systems and programs for any machine, on any architecture
Dev ToolsemulationvirtualizationkvmOpenNebula
Replace VMware, build Sovereign Clouds, and power your AI Factory
Ops & Infracloud-infrastructurevirtualizationkubernetesVirtualBox
Powerful open source virtualization for personal and enterprise use
Ops & Infravirtualizationopen-sourcevirtual-machinesoVirt
Scalable. Secure. 100% Community-Driven enterprise virtualization platform.
Ops & Infravirtualizationopen-sourcekvmGaneti
A virtual machine cluster management tool that Just Works
Ops & Infravirtualizationcluster-managementkvmMercurial SCM
Work easier, Work faster
Dev Toolsversion-controldvcssource-controlGit
The free and open source distributed version control system
Dev Toolsversion-controlopen-sourcecliNTPsec
A secure, hardened, and improved implementation of Network Time Protocol
Securityntpnetwork-time-protocolopen-sourcechrony
A versatile implementation of the Network Time Protocol (NTP).
Utilitiesntptime-synchronizationnetworkingIPFire
More Than A Firewall
Securityfirewallopen-sourcenetwork-securityLinux Containers
The umbrella project behind Incus, LXC, LXCFS, Distrobuilder and more.
Ops & InfracontainerslinuxvirtualizationOPNsense
Open source, feature-rich firewall and routing platform for everyone.
Securityfirewallopen-sourcenetworkingpfSense
World's Most Trusted Open Source Firewall
Securityfirewallopen-sourcenetwork-securityOpenWrt
A Linux operating system targeting embedded devices with full customization
Ops & Infraopen-sourceembedded-linuxrouter-firmwareRemmina
Remote access screen and file sharing to your desktop.
Utilitiesremote-desktopopen-sourcerdpTigerVNC
High-performance, platform-neutral VNC client/server for remote graphical applications
Utilitiesvncremote-desktopopen-sourceZeroMQ
An open-source universal messaging library
Dev Toolsmessagingnetworkingopen-sourceNSQ
A realtime distributed messaging platform
Ops & Inframessagingdistributed-systemspub-subActiveMQ
Flexible & Powerful Open Source Multi-Protocol Messaging
Ops & Inframessage-brokeropen-sourcejava
