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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.
Everyone is commenting on the HN headline, no one on the actual announcement:
> Building the New Internet
(Insert mandatory reference to Silicon Valley here :))
> We think there’s a better way forward. We're calling it identity-first networking.
I would love to see this. Every day I have to stare at YAML files with IP addresses in them is a day I will never get back. I wish cjdns[0] had succeeded already but oh well, now I hope the Tailscale guys will!
[0]: https://github.com/cjdelisle/cjdns/
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This is incredibly funny to me, because this is almost exactly how some of our other tests work :D
(Almost: we have a full-featured command shell and just use that for testing)
Code: https://github.com/FRRouting/frr/blob/master/tests/ospf6d/te...
Input: https://github.com/FRRouting/frr/blob/master/tests/ospf6d/te...
Expected output: https://github.com/FRRouting/frr/blob/master/tests/ospf6d/te...
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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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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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Flush BGP table faster
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I think I suck at Networking
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Ask HN: What's in Networking?
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Uthash – C macros for hash tables and more
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A note from our sponsor - InfluxDB
influxdata.com | 28 Apr 2025
Index
What are some of the best open-source Routing projects in C? This list will help you:
| # | Project | Stars |
|---|---|---|
| 1 | cjdns | 5,243 |
| 2 | frr | 3,636 |
| 3 | USBMidiKliK4x4 | 141 |
| 4 | bgpsee | 30 |
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