Kyanos is a networking analysis tool using eBPF. It can visualize the time packets spend in the kernel, capture requests/responses, makes troubleshooting more efficient.
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MockServer is an HTTP(S) mock server and proxy for testing that lets you mock APIs, inspect and modify live traffic, and inject failures. It supports HTTP/1.1, HTTP/2, gRPC, WebSockets, TCP and more on a single port, with additional support for HTTP/3, message brokers, and AI/LLM APIs.
- mock-server
- proxy
- java-client
- javascript-client
WinDivert: Windows Packet Divert
- windivert
- packet-capture
- packet-sniffer
- firewall
PcapPlusPlus is a multiplatform C++ library for capturing, parsing and crafting of network packets. It is designed to be efficient, powerful and easy to use. It provides C++ wrappers for the most popular packet processing engines such as libpcap, Npcap, WinPcap, DPDK, AF_XDP, WinDivert and PF_RING.
- pf-ring
- dpdk
- packet-parsing
- winpcap
High-speed packet processing framework
- pf-ring
- capture-packets
- high-speed
- 100gbit
Like nmap for mapping wifi networks you're not connected to, plus device tracking
- hacking
- wireless
- python
- scapy
Official repository - Fully managed, cross platform (Windows, Mac, Linux) .NET library for capturing packets
- capture-packets
- c-sharp
- cross-platform
- network-monitoring
Scriptable local traffic workbench for inspecting, intercepting, replaying, and rewriting HTTP/HTTPS and WebSocket traffic.
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
TranslatedPacket monster (っ‘-’)╮=͟͟͞͞◒ ヽ( '-'ヽ) TUI tool for sending packets of arbitrary input and monitoring packets on any network interfaces (default: eth0). Windows/macOS/Linux
- packet-generator
- packet-analyzer
- network
- networking
A Rust library for constructing, sending, capturing, and decoding network packets
- libpcap
- network-programming
- networking
- packet-crafting
pysap is an open source Python library that provides modules for crafting and sending packets using SAP's NI, Diag, Enqueue, Router, MS, SNC, IGS, RFC and HDB protocols.
- cbas
- python
- sap
- scapy
A simple, cross-platform utility to classify packets into flows using only the essential 4-tuple.
Python only library to scan and decode advertised BLE info. Uses asyncio. Can decode Ruuvi Tag. Can broadcast EddyStone packets.
Replay HTTP and HTTPS requests from a PCAP based on TLS Master Secrets.
Analyzer to inspect network packets generated by the SMPTE ST 2110 specification.