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Built a zero-dependency Git clone in pure Java to actually understand version control internals

Kev: Tiny Jev-like family of decision models built on top of Qwen3.5

Show HN: I created an open source locally usable full fledged AI platform

Jev-Leftpad

Show HN: Seal – Letters and passwords that open for your family after you die

Show HN: Mini-AGI – Dynamic continual learning model trained on 8GB VRAM

Bastion of the Turbofish

A graphical desktop for the ZX Spectrum

I made my own programming language and I would like to get some feedback.

Show HN: Bitcoin-rs – An AI-assisted Bitcoin full node in Rust

Show HN: Friday – Self-hosted persistent memory for AI coding agents (MCP)

1BRC, but for matrix multiplication on the JVM?

Show HN: ClaudeStatsBar: your session is 486k deep and nothing told you

“alloc: stabilise `Allocator`” entered its final comment period!

tokio_rcu - RCU (read-copy-update) for async rust with tokio

12 years ago I wrote a Wolfenstein 3D clone from scratch in Go (No engine, just OpenGL + Custom Physics)

ArcColdString: A 1-word (8-byte) atomically reference-counted SSO string that saves up to 32 bytes over Arc<str>

Show HN: ChaosTree – A zero-dependency Java tree library (AVL,RBT,B-Tree,B+Tree)

Tensor Graph Compilers (library update)

Box CLI Maker v3.1.0 release

CUDA Tile (cuTile) first working port in Java

jist - Source aware symbol search for Java classes

confset - universal configuration file for any tool

HomeOS – A self-hosted family dashboard for a kitchen touchscreen

Secure temporary file sharing for AI agents and humans

Show HN: Sol, my macOS music player and jukebox app, is now free and open source

Jemalloc 5.4.0

Gonc – Netcat with P2P Nat Traversal

Open-Source Gwent Classic - V5.0 Release! (New Factions: Ofir & Novigrad)

proposal: cmd/cgo: cgo without a C toolchain · Issue #81450 · golang/go

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