Open source
worth your time.
Every day a few hundred repos show up on GitHub. I read the READMEs, keep the handful that matter if you build with AI, and write down what they actually do.
Latest finds
Unpacking more than the disk holds
GNU tar ran out of space unpacking a 385.9 MB .tar.gz onto a disk with 473.9 MB free. HatchZip finished in 1.0 s with a peak of 362.1 MB, because it punches holes in the archive as it decodes. Numbers are from its own docs.
xevrion/hatchzip
Casper eats install space
Arjun-Ingole/hop
42 journal syncs, not 480
recursive-ai-oss/onelite-csharp
The 26 ms scheduler wait
valentderah/totk-pc-recomp
Where the speedup stops
debuffjp/spryte
A stopped agent can still finish
Balanov/skein
Not every format decodes in place
sdcb/SimdCodecs
Agent can wave off human review
t3dotgg/tstack
A Rust skill backfires on Bevy
morganlinton/BeautifulRust
Fake evidence planted for LLM agents
qybaihe/bla
AV1 video, zero frames back
andyhuo520/digital-human-koubo
Coding agents that add co-op to games
cranebeaker/coop-anything
Poking every neuron in a small model
lyramakesmusic/neuron-explorer
Rust rebuilds in milliseconds, not seconds
indexable-inc/blaze
Ready-made UI parts for agent apps
deeplethe/solid-glass
Spotting new AI names before Google does
zhuyansen/new-term-radar
An AI tutor that tests you first
amosblomqvist/learnharness
A Personal AI Agent on Cloudflare's Free Tier
rociiu/talorys
Reverse Engineering Without the MCP Bloat
aicodeking/leanrea
DeepSeek Opens Its Production Inference Engine
deepseek-ai/DeepInfer
Giving coding agents a sense of hearing
Leonxlnx/earshot
Parametric CAD your agent can drive
tangency-labs/solidcraft
Local semantic search for every file
ARahim3/DigUp
Coding agents that can listen
Leonxlnx/earshot
Plain JavaScript compiled into neural nets
chenglou/handwired
Tuning the harness, not the model
google-research/harness2
Version control built for agent swarms
feder-cr/git-ai
Math Videos Rendered 90x Faster
academa-labs/manimgx
TypeScript Compiler Rewritten by AI Agents
pingdotgg/ts-rust
A $7 Board That Drives Your iPhone
onehumanbeing/esp32-iphone-agent
A 0.8B model that just decides
firelex/jeff
Your coding agents, in the notch
Louis-CFM/coucou
Ask your codebase, not grep it
dzhng/jevgrep