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Top 4 C Routing Projects
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cjdns
An encrypted IPv6 network using public-key cryptography for address allocation and a distributed hash table for routing.
Project mention: Cjdns – An encrypted IPv6 overlay network using public-key cryptography | news.ycombinator.com | 2025-06-23 -
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Project mention: FRRouting – implements and manages various IPv4 and IPv6 routing protocols | news.ycombinator.com | 2026-06-01
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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).
C Routing discussion
C Routing related posts
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FRRouting – implements and manages various IPv4 and IPv6 routing protocols
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Zero-Touch Bare Metal at Scale
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So You Want to Build Your Own Data Center
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HN Slop: AI Startup Ideas from Hacker News
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Show HN: A portable hash map in C
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Type-erased generic functions for C: A modest non-proposal
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Advice for a high school networking lab
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A note from our sponsor - SaaSHub
www.saashub.com | 10 Jun 2026
Index
What are some of the best open-source Routing projects in C? This list will help you:
| # | Project | Stars |
|---|---|---|
| 1 | cjdns | 5,390 |
| 2 | frr | 4,161 |
| 3 | USBMidiKliK4x4 | 157 |
| 4 | bgpsee | 32 |