Networking

Open-source SNMP implementation for Java. SNMPv1, v2c, v3 support. Used in enterprise Java applications for network management.

Open-source network access control system. 802.1X, VLAN enforcement, captive portal, device profiling, and BYOD management.

The world's most popular RADIUS server. AAA for 802.1X, VPN, WiFi, and dial-up. Handles millions of users. Modular and extensible.

Web-based management for FreeRADIUS. User management, billing, reporting, and hotspot management through a web interface.

Send ARP packets to hosts on the local network and display responses. Discover all active devices on a subnet. Fast and reliable.

GNU/Linux utility for viewing and manipulating MAC addresses. Random, vendor-specific, or custom MAC address assignment.

Query and control network device driver and hardware settings. Speed, duplex, wake-on-LAN, ring buffer, and driver info.

Free network analyzer for Windows. Real-time packet capture, protocol analysis, and network diagnostics. 300+ protocols.

Desktop app for analyzing structured logs and pcap files. Combines Zed language queries with Suricata alerts and Zeek logs.