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pmacct is a small set of multi-purpose passive network monitoring tools [NetFlow IPFIX sFlow libpcap BGP BMP RPKI IGP Streaming Telemetry].

  • netflow
  • ipfix
  • sflow
  • bgp

ngrep is like GNU grep applied to the network layer. It's a PCAP-based tool that allows you to specify an extended regular or hexadecimal expression to match against data payloads of packets. It understands many kinds of protocols, including IPv4/6, TCP, UDP, ICMPv4/6, IGMP and Raw, across a wide variety of interface types, and understands BPF filter logic in the same fashion as more common packet sniffing tools, such as tcpdump and snoop.

  • sniffer
  • grepping

DECAF (short for Dynamic Executable Code Analysis Framework) is a binary analysis platform based on QEMU. This is also the home of the DroidScope dynamic Android malware analysis platform. DroidScope is now an extension to DECAF.

  • binary-analysis
  • taint-analysis

Turn Amazon Echos (Echo Dot 3, Echo Dot 2, Echo 2) into local Home Assistant voice satellites. Keeps Amazon's mic processing and wake word engine, replaces Alexa with a small C daemon speaking ESPHome or Wyoming. Multiroom music via Music Assistant, Bluetooth speaker and proxy, no cloud.

Alaz: Advanced eBPF Agent for Kubernetes Observability – Effortlessly monitor K8s service interactions and performance metrics in your K8s environment. Gain in-depth insights with service maps, metrics, and more, while staying alert to crucial system anomalies 🐝

Small & portable byte-aligned LZ77 compression

  • compression
  • lz77
  • lempel-ziv
  • c

Ultra-minimal, zero-CPU 5.8 GHz analog FPV video receiver using ESP32-C5 Wi-Fi 6 PHY MODEM_DIAG, BitScrambler WBFM demodulation & resistor DAC CVBS

Small portable Elliptic-Curve Diffie-Hellman in C

  • elliptic-curve-diffie-hellman
  • ecdh
  • public-key-cryptography
  • c

The DragonFly Mail Agent, a small Mail Transport Agent (MTA), designed for home and office use.