Open5GS alternatives
4 products compared · 2026
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About Open5GS and its alternatives
Users searching for Open5GS alternatives typically need another open-source 5G core or EPC stack that can run private LTE or NR networks without vendor lock-in. While Open5GS excels at lightweight Release-17 compliance and easy GitHub-based deployment for labs and small operators, teams often evaluate other projects when they require different feature sets such as broader hardware support, integrated orchestration, or larger-scale production hardening. Common motivations include comparing memory footprint, C-plane performance, ease of containerization, or availability of commercial support options. This page examines mature alternatives that also target private 5G, research testbeds, and MVNO cores, highlighting honest differences in architecture, licensing, and operational maturity so you can choose the right stack for your use case.
Explore the alternatives
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1.Ukama
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Empowering anyone to build cellular network
See website2.AWS ParallelCluster
Developer Tools
Reliable, scalable cloud computing services from startups to enterprises.
See website3.Amarisoft
Developer Tools
4G-5G from the lab to the field
See website4.srsRAN
Developer Tools
Open-source 4G/5G RAN software from I/Q to IP
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FAQ
Questions about Open5GS alternatives
What are the best open source 5G core alternatives to Open5GS for private networks?
Popular alternatives include free5GC for Kubernetes-native deployments, OpenAirInterface for extensive SDR hardware support, and Magma for carrier-grade orchestration. Each offers different trade-offs in memory use, Release-17 coverage, and production tooling compared with Open5GS lightweight C implementation.
How does Open5GS compare to free5GC on performance and ease of use?
Open5GS is written in C with a smaller footprint and simpler single-binary deployment, while free5GC uses Go microservices that integrate more naturally with cloud-native toolchains but require more resources and Kubernetes expertise.
Is there a commercial support option for Open5GS or its alternatives?
Open5GS itself is community-driven via GitHub and sponsorships. Several alternatives such as Magma and Aether provide vendor-backed support contracts, which may matter for operators needing SLAs beyond what Open5GS sponsors offer.
Which Open5GS alternative works best with software-defined radios for research?
OpenAirInterface and srsRAN Project maintain the widest SDR driver support and are frequently chosen for academic testbeds, whereas Open5GS focuses more on core functions and pairs with external RAN stacks.
Can I replace Open5GS with an alternative without changing my RAN?
Most alternatives expose standard S1/N2/N3 interfaces, so swapping the core is usually possible; however, configuration syntax, diameter routing, and QoS mapping differ and require integration testing.
What is the deployment footprint difference between Open5GS and Magma?
Open5GS runs comfortably on a single modest VM or container, while Magma includes a heavier orchestration layer and multiple gateways, making it better suited to larger multi-site deployments than simple lab cores.