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HOMER SIPCAPTURE (QXIP BV et la communauté du projet sipcapture) · Telecom & VoIP

HOMER captures and indexes SIP and RTP call data over the HEP protocol, built for carriers and VoIP teams, running on Linux with a web interface.

Linux · Web Open source

Pycrate is a free Python library that encodes and decodes 2G to 5G mobile network messages, for developers and researchers on Windows, macOS and Linux.

Windows · macOS · Linux Open source

Osmocom Communauté Osmocom, avec sysmocom - systems for mobile communications GmbH · Telecom & VoIP

Osmocom is a free software suite for building a 2G and 3G mobile network, from base station to core, aimed at labs and private networks on Linux.

Linux Open source

Open5GS Projet Open5GS (Sukchan Lee, auteur principal, et contributeurs) · Telecom & VoIP

Open5GS is a free 4G and 5G mobile core network for labs, researchers and private networks, installed on Linux servers or built on macOS.

Linux · macOS Open source

Yate Null Team · Telecom & VoIP

Yate is an open source C++ telephony engine bridging SIP, H.323, IAX, SS7 and ISDN, built for telecom engineers, running on Linux and Windows.

Linux · Windows Open source

FreeSWITCH SignalWire (projet FreeSWITCH) · Telecom & VoIP

FreeSWITCH is an open source telephony engine for building PBXs, conferencing and voice apps, aimed at integrators, on Linux and Windows.

Linux · Windows Open source

OpenSIPS OpenSIPS Project (équipe d’OpenSIPS Solutions) · Telecom & VoIP

OpenSIPS is an open source SIP server that routes, balances and enriches VoIP calls, built for carriers and integrators, running on Linux.

Linux Open source

Kamailio The Kamailio SIP Server Project (communauté) · Telecom & VoIP

Kamailio is an open source SIP server that routes, authenticates and balances VoIP signaling for carriers and integrators, running on Linux.

Linux Open source

Paessler PRTG Paessler GmbH (Nuremberg, Allemagne ; anciennement Paessler AG) · Networking

Paessler PRTG is network and server monitoring software for small firms and IT departments, installed on Windows, with a hosted edition and mobile apps.

Windows · Web · Android · iPhone / iPad Free with in-app purchases

SolarWinds NCM SolarWinds (société non cotée, propriété de Turn/River Capital depuis avril 2025) · Networking

SolarWinds NCM is commercial software that backs up, tracks and audits network device configurations for enterprise teams, running on Windows Server.

Windows · Web Free trial

Catchpoint Catchpoint Systems (groupe LogicMonitor) · Networking

Catchpoint monitors the availability and speed of websites and online services from over 3,000 agents, for large web and IT teams, on the Web.

Web · Linux · Windows · macOS Paid

Kentik Kentik (groupe Infoblox depuis août 2026) · Networking

Kentik analyses NetFlow, sFlow and IPFIX data from routers and clouds at scale, for carriers and large network teams, on the Web with Linux agents.

Web · Linux Free trial