Falco — a from-scratch browser engine in ~36k lines of Rust (v0.1.0 release)
Hi everyone! I just released v0.1.0 of Falco — a browser engine I've been building in Rust on nights and weekends. No WebKit, no Gecko, no Chromium — …
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Introducing Fitz LiveViews: real-time UI in one language, zero JS build
TL;DR — Fitz LiveViews is a real-time UI framework for Fitz , a compiled, gradually-typed language where HTTP, WebSockets, auth, and an ORM are part o…
I'm 12 and I built my first CLI tool in Rust to solve "works on my machine"
Hi everyone! 👋 I'm 12 years old, and I've been learning programming for a while now. I'm currently exploring Rust, Linux (I use Gentoo and I'm plannin…
I made an Integer-only AI complete XOR with 99.7% accuracy all from scratch
I made an Integer only AI using Rust with my Phone. The current version v.1.0.0 is the best its ever been getting an accurcy of 99.7% and 98.7% of run…
ratatop day 3: disks, statvfs, and my first unsafe block
Hello, I'm Maneshwar. I'm building git-lrc, a Micro AI code reviewer that runs on every commit. It is free and source-available on Github. Star git-lr…
ratatop day 2: the memory box, and the lie in `free -h`
Hello, I'm Maneshwar. I'm building git-lrc, a Micro AI code reviewer that runs on every commit. It is free and source-available on Github. Star git-lr…
The state of media processing in Rust (2026): what each crate actually covers
Every few months someone asks how to decode video or pull audio samples in Rust, and the thread converges on the same advice: just run the ffmpeg bina…
From Rust Fuzzing to AI Agents: Building Secure, Memory-Aware Software in the Age of Autonomous Development
Originally published on tamiz.pro . The landscape of software development is undergoing a tectonic shift. For decades, memory safety and security have…
Building a browser game with client-side Groth16 proofs
A smart contract can't tell whether a submitted score came from a valid game or was simply made up. Dario Dash handles that by proving the run itself.…
Built a Custom Virtual Machine From Scratch in Rust
A few weeks ago I started working on XVM - a custom virtual machine built entirely from scratch in Rust. Not an emulator of any real processor (not x8…
Creating my own shell for unix
Building Astra: A Modern Shell in Rust I've been working on a personal project called Astra , an interactive shell written in Rust. The goal isn't to …
When the exit code lies: fork retractions, lost transactions, and trusting the chain in midnight-node
Your transaction tool reports FAILED_TO_FINALIZE . Your CI marks the job red. Your retry logic fires. But the block explorer says the transaction fina…
Building a High-Concurrency OSINT Engine in Rust: How I Managed 35+ Async Streams Without Exhausting Sockets
Description: For the past few months, I have been building Reconx, an open-source CLI tool designed for mapping external infrastructure and gathering …
Stop hand-juggling JAVA_HOME: automatic per-project JDK switching with Jolta
If you work on more than one Java codebase, you've probably lived this: one service targets JDK 17, another needs 21, and there's a legacy app that wi…
Another Web Spreadsheet App?
About five years ago, I was building a spreadsheet-based web application with SpreadJS. It worked well for most scenarios, but over time I realized th…
buildline: merging cargo and ninja's build profiling into one timeline
Every build tool profiles its own silo. cargo build --timings will tell you cargo is fine. Ninja's build log will tell you linking is fine. And yet a …
Your GraphRAG stack is two databases. It should be one.
Most GraphRAG systems today are built with at least two storage layers. One system stores vectors. Another system stores relationships. The vector dat…
How I built a high-performance Chinese learning platform with 100k+ TV clips using Rust and Next.js 15
Hi dev.to community! 👋 Today, I’m incredibly excited to share MandarinClips , a side project I’ve been pouring my soul into. It's a high-performance l…
Reading a Rust crate's capabilities out of its compiled symbols
Cargo tells you once_cell 1.19.0 → 1.20.2 . It doesn't tell you whether the new version started opening a socket. A dependency bump is a trust decisio…
Stop recomputing OHLCV indicators after every new bar
A four-year, 15-minute crypto backtest is about 140k bars for one symbol. With 50 symbols, that is already around 7 million rows before parameter swee…
Building a real-time browser MMORPG with Three.js, Rust/Wasm, and Durable Objects
Realm of Echoes is a real-time 3D fantasy MMORPG that runs in a normal desktop browser tab. Players can choose a Warrior or Mage and enter as a guest,…
I Built a Rust Data Engine That Can Prove Its Own Results
Most data engines can answer a query. I wanted one that could also explain, offline and byte for byte, why that answer belongs to a specific durable s…
pinto: A Git-Native Scrum Backlog and Kanban Board for Your Terminal
pinto lets teams manage Scrum backlogs as plain text. Every backlog change can be inspected with git diff , carried across a branch, merged, and revie…
Agentic tool-use eval on a local 35B (Q8): trap-tool avoidance is solid, but I can't tell if my failures are the model or my harness
I've been running a small agentic eval harness against a local model and I'd like a sanity check on both my methodology and how you all handle agent-l…
ArborDb: a Rust document store where reading one field doesn't get slower as the record grows
Most embedded document stores make you pay the same price to read one field as to read the whole record: they deserialize the entire value, then hand …
We rewrote a Go service in Rust and our velocity tanked for a quarter.
For a full quarter, our feature velocity significantly dropped after we re-implemented a Go service using Rust. The performance improvements actually …
TypeScript 7.0 Is Here: The Compiler Is Much Faster
TypeScript 7.0 is now officially available as a stable release, and this is one worth paying attention to. Not because it introduces a flashy new synt…
I built a CLI toolkit
I'm a 12-year-old developer learning multiple programming languages. Instead of doing boring tutorials, I decided to build the same CLI tools in diffe…
737x faster LangGraph checkpoints, and the case where Rust lost
Run a LangGraph agent long enough and the model call stops being your bottleneck. The plumbing takes over. Every step, the graph serializes its state …
Introducing OrBit: A Local-First Workspace Synchronization Engine for Developers
As developers , we often face challenges keeping our workspaces perfectly synchronized across devices and collaborators. Whether it’s dealing with slo…