aria2 is a lightweight multi-protocol & multi-source, cross platform download utility operated in command-line. It supports HTTP/HTTPS, FTP, SFTP, BitTorrent and Metalink.
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Comfortably monitor your network traffic 🕵️♂️
- networking
- packet-sniffer
- linux
- macos
TranslatedXray, Tuic, hysteria2, sing-box eight-in-one one-click script
- cloudflare
- nginx
- v2ray
- trojan
gRPC to JSON proxy generator following the gRPC HTTP spec
GameStream client for PCs (Windows, Mac, Linux, and Steam Link)
- moonlight
- nvidia
- gamestream
- macos-app
IPFS implementation in Go: a daemon that stores and serves content-addressed data, with a CLI, HTTP Gateway, and RPC API
Impacket is a collection of Python classes for working with network protocols.
- impacket
- smb
- python
- netbios
Capture SSL/TLS plaintext with eBPF—no MITM proxy or custom CA installation. Supports Linux and Android on x86_64\arm64 and loong64.
Nmap - the Network Mapper. Github mirror of official SVN repository.
- c-plus-plus
- lua
- security
- port-scanner
Scapy: the Python-based interactive packet manipulation program & library.
- scapy
- python
- network
- network-analysis
eBPF-powered network observability for Kubernetes. Indexes L4/L7 traffic with full K8s context, decrypts TLS without keys. Queryable by AI agents via MCP and humans via dashboard.
- kubernetes
- golang
- rest
- grpc
Efficient reliable UDP unicast, UDP multicast, and IPC message transport
- messaging
- java
- c-plus-plus
- ipc
Arkime is an open source, large scale, full packet capturing, indexing, and database system.
No-root network monitor, firewall and PCAP dumper for Android
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
Network Analysis Tool
the LIBpcap interface to various kernel packet capture mechanism
- pcap
- pcapng
- packet-capture
- sniffer
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
Malcolm is a powerful, easily deployable network traffic analysis tool suite for full packet capture artifacts (PCAP files), Zeek logs and Suricata alerts.
HOMER - 100% Open-Source SIP, VoIP, RTC Packet Capture & Monitoring
- monitoring
- troubleshooting
- voip
- rtc
Sniffs sensitive data from interface or pcap
Official repository - Fully managed, cross platform (Windows, Mac, Linux) .NET library for capturing packets
- capture-packets
- c-sharp
- cross-platform
- network-monitoring
Edit and replay captured network traffic at arbitrary speeds — a suite of pcap tools for *NIX and Windows.
- tcpreplay
- pcap
- netmap
- c
Web Serving and Remote Procedure Calls at 50x lower latency and 70x higher bandwidth than FastAPI, implementing JSON-RPC & REST over io_uring ☎️
- cpython
- epoll
- fast-api
- flask