Top 6 C Libpcap Projects

nmap

26 9,228 9.1 C

Nmap - the Network Mapper. Github mirror of official SVN repository.

Project mention: NMAP-formatter: convert NMAP results to HTML, CSV, JSON, graphviz (dot), SQLite | news.ycombinator.com | 2024-01-26

https://github.com/nmap/nmap/issues/635
This looks like a reasonable mitigation for the lack of native JSON output.

tcpdump

2 2,546 9.5 C

the TCPdump network dissector

Project mention: How do I debug a LAN connection issue on Linux | /r/techsupport | 2023-06-09

InfluxDB

www.influxdata.com sponsored

Power Real-Time Data Analytics at Scale. Get real-time insights from all types of time series data with InfluxDB. Ingest, query, and analyze billions of data points in real-time with unbounded cardinality.
libpcap

10 2,505 9.6 C

the LIBpcap interface to various kernel packet capture mechanism

Project mention: How do remote interfaces work in wireshark? | /r/wireshark | 2023-06-07

As long as your custom service used the rpcap protocol I'd expect it to be possible. You may find this GitHub page informative, since it includes some rpcap source code and one of the main Wireshark developers appears to be a contributor there.

switch-lan-play

7 1,773 3.1 C

Enjoy games with your friends as if you were on a LAN.
pmacct

8 1,014 9.2 C

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

Project mention: NetFlow-equivalent analysis for mirrored traffic | /r/networking | 2023-07-12

If you want a tool that can ingest from a span port and generate netflow or IPFIX there is pmacct. This should work with your existing tooling that collects netflow data.

arp-scan

4 883 5.6 C

The ARP Scanner

NOTE: The open source projects on this list are ordered by number of github stars. The number of mentions indicates repo mentiontions in the last 12 Months or since we started tracking (Dec 2020).