GOOD CODE. GREAT DISCOVERIES.

Your next
rabbit hole.

Open-source projects. Clever little tools. Big ideas.
Unearthed from the Hacker News community.

YCommunity signal. Human curiosity.No paid placements.
2,872unique repositories
4,114Show HN stories¹
3,330GitHub links¹
July 2026 snapshot

Developer tools✳

1,382 repos
↵
Ranked by HN points, not GitHub stars
stephenberry /

glaze

Glaze: Fast, in memory, serialization, reflection, RPC library for C++

Developer toolsLicense unchecked
20#451
openlab-x /

OpenCircuitX

OpenCircuitX

Developer toolsLicense unchecked
20#453
PureWaterArtist /

VortexArt88-

HN: Project Aetheris – Open-source fluid dynamics to replace chemical cooling

Developer toolsLicense unchecked
20#454
jdyar /

discrete-assembly-sim

Open coordination stack for lattice-building robot swarms

Developer toolsLicense unchecked
20#455
AlwaysReadyAllies /

warden

Warden – a drop-in security proxy for MCP (audit, policy, injection defense)

Developer toolsLicense unchecked
20#456
Show HN
openvole /

openvole

OpenVole 4.5 Is Out

Developer toolsLicense unchecked
20#457
Show HN
NohWai-Software /

RayTention

RayTention – Self-Attention via Geometric Signal Extraction

Developer toolsLicense unchecked
20#458
Show HN
kzekiue /

kosh

Kosh – a self-hosted personal finance app

Developer toolsLicense unchecked
20#460
thomasblc /

qwen-ondevice-bench

On-device Qwen benchmark: the 4B ties the 9B, and more findings

Developer toolsLicense unchecked
20#462
LazoVelko /

neverclick

Neverclick: Desktop application for performing mouse actions with your keyboard

Developer toolsLicense unchecked
20#463
FossPrime /

Steam-Controller-Auto-Charge

Steam Controller Auto-Charge – pilot to magnetic charging puck using CV

Developer toolsLicense unchecked
20#464
igor84 /

wcc

Implementation of "Writing a C compiler" in Zig

Developer toolsLicense unchecked
20#465
Show HN
nuemaan /

skewadam

SkewAdam – A tiered optimizer that cuts MoE state memory by 97%

Developer toolsLicense unchecked
20#466
Jott2121 /

graph-guard

Graph-guard, a knowledge graph behind RAG for multi-hop retrieval

Developer toolsLicense unchecked
20#467
Show HN
robesris /

ffvii-realtime

Ffvii Realtime – speed up FFVII Tactical Mode slow-mo to realtime

Developer toolsLicense unchecked
20#468

Less noise. More “oh, that’s cool.”

An independent index of things the Hacker News community shares.