Alternatives and similar repositories for core:

Users that are interested in core are comparing it to the libraries listed below

• pfsense / pfsense
  Main repository for pfSense
  ☆5,109Updated this week
• opnsense / plugins
  OPNsense plugin collection
  ☆886Updated this week
• opnsense / src
  OPNsense operating system on top of FreeBSD
  ☆388Updated this week
• librenms / librenms
  Community-based GPL-licensed network monitoring system
  ☆4,089Updated this week
• PowerDNS / pdns
  PowerDNS Authoritative, PowerDNS Recursor, dnsdist
  ☆3,806Updated this week
• opnsense / tools
  OPNsense release engineering toolkit
  ☆292Updated this week
• NLnetLabs / unbound
  Unbound is a validating, recursive, and caching DNS resolver.
  ☆3,319Updated this week
• inverse-inc / packetfence
  PacketFence is a fully supported, trusted, Free and Open Source network access control (NAC) solution. Boasting an impressive feature set…
  ☆1,424Updated this week
• vyos / vyos-build
  VyOS image build scripts
  ☆1,065Updated this week
• OISF / suricata
  Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine developed by the OIS…
  ☆5,013Updated this week
• opnsense / ports
  OPNsense ports on top of FreeBSD
  ☆173Updated this week
• PowerDNS-Admin / PowerDNS-Admin
  A PowerDNS web interface with advanced features
  ☆2,537Updated this week
• pfsense / FreeBSD-ports
  FreeBSD ports tree with pfSense changes
  ☆474Updated this week
• netbox-community / netbox-docker
  🐳 Docker Image of NetBox
  ☆2,003Updated 2 weeks ago
• pfelk / pfelk
  pfSense/OPNsense + Elastic Stack
  ☆1,104Updated last month
• rspamd / rspamd
  Rapid spam filtering system.
  ☆2,130Updated this week
• Checkmk / checkmk
  Checkmk - Best-in-class infrastructure & application monitoring
  ☆1,676Updated this week
• smallstep / certificates
  🛡️ A private certificate authority (X.509 & SSH) & ACME server for secure automated certificate management, so you can use TLS everywher…
  ☆7,068Updated this week
• freeipa / freeipa
  Mirror of FreeIPA, an integrated security information management solution
  ☆1,033Updated this week
• cockpit-project / cockpit
  Cockpit is a web-based graphical interface for servers.
  ☆11,720Updated this week
• AnalogJ / scrutiny
  Hard Drive S.M.A.R.T Monitoring, Historical Trends & Real World Failure Thresholds
  ☆5,930Updated last month
• xcp-ng / xcp
  Entry point for issues and wiki. Also contains some scripts and sources.
  ☆1,364Updated this week
• owncloud / ocis
  ownCloud Infinite Scale Stack
  ☆1,526Updated this week
• oetiker / SmokePing
  The Active Monitoring System
  ☆1,485Updated last week
• opnsense / docs
  OPNsense documentation
  ☆127Updated this week
• phpipam / phpipam
  phpipam development repository
  ☆2,345Updated 3 weeks ago
• unpoller / unpoller
  Application: Collect ALL UniFi Controller, Site, Device & Client Data - Export to InfluxDB or Prometheus
  ☆2,150Updated this week
• truenas / middleware
  TrueNAS CORE/Enterprise/SCALE Middleware Git Repository
  ☆2,372Updated this week
• roundcube / roundcubemail
  The Roundcube Webmail suite
  ☆6,109Updated last week
• linuxserver-archive / docker-unifi-controller
  ☆896Updated last year