🛠️ All DevTools

[Other] Build features. We handle docs. Auto-synced with your code. AutoDocs creates user documentation from your product. You'll feel like you have a dedicated employee writing user docs every time you update your code. Just connect GitHub, review user docs and keep building product to update the docs.

[Other] Show HN: Spotilyrics – See synchronized Spotify lyrics inside VS Code

[DevOps] Show HN: Pitaya – Orchestrate AI coding agents like Claude Code Pitaya is a local, open-source orchestrator for AI coding agents (Claude Code, Codex CLI). It runs many agents in parallel, isolates each in Docker with its own git branch, supports pluggable Python strategies, and persists state so runs are resumable. Quickstart + short demo are in the README.

[Other] Replacing a cache service with a database

[Other] Nyxstone: An LLVM-based (Dis)assembly Framework

[CLI Tool] Show HN: My first Go project, a useless animated bunny sign for your terminal Hi HN, I wanted to share my very first (insignificant) project written in Go: a little CLI tool that displays messages with an animated bunny holding a sign.<p>I wanted to learn Go and needed a small, fun project to get my hands dirty with the language and the process of building and distributing a CLI. I&#x27;ve built a similar tool in JavaScript before so I thought porting it would be a great learning exercise.<p>This was a dive into Go&#x27;s basics for me, from package structure and CLI flag parsing to building binaries for different platforms (never did that on my JS projects).<p>I&#x27;m starting to understand why Go is so praised: it&#x27;s standard library is huge compared with other languages. One thing that really impressed me was the idea (at some point of this journey) to develop a functionality by myself (where in the javascript original project I choose to use an external library), here with the opportunities that std lib was giving me I thought &quot;why don&#x27;t try to create the function by miself?&quot; and it worked! In the Js version I used the nodejs &quot;log-update&quot;, here I write a dedicated pkg.<p>I know it&#x27;s a bit silly, but I could see it being used to add some fun to build scripts or idk highlight important log messages, or just make a colleague smile. It&#x27;s easy to install if you have Go set up:<p><pre><code> go install github.com&#x2F;fsgreco&#x2F;go-bunny-sign&#x2F;cmd&#x2F;bunnysign@latest </code></pre> Since I&#x27;m new to Go, I would genuinely appreciate any feedback on the code, project structure, or Go best practices. The README also lists my planned next steps, like adding tests and setting up CI better.<p>Thanks for taking a look!

[Other] This is the Rust course used by the Android team at Google. It provides you the material to quickly teach Rust.

[Other] Just use `git` to manage your dotfiles

[API/SDK] Build tool-calling agents in 4 lines of code Open-source SDK which allows you to build custom agents which with any tool or native endpoint, with only 4 lines of code. UTCP has collectively +1k GitHub stars, +5k downloads, and is trusted by engineers at AWS, Microsoft, NVIDIA, etc...

[Database] Database ERD Designer LinkDB is a visual database design tool for creating and managing ER diagrams. Import/export SQL for MySQL, PostgreSQL, and SQL Server, collaborate in real time, track version history, and export production-ready scripts all in one place.

[Other] Free online developer tools open source. GitOpenTools is a free open-source collection of 45+ developer tools in one place. Format JSON, test regex, convert Base64, generate passwords & more.

[Other] Create professional README files effortlessly in one click Generate a README for your project. Create professional and eye-catching README files in seconds. Perfect for developers, startups, and open-source projects. One-click simplicity to showcase your work like never before.

[Other] Think. Plan. Go. ProjectMyThoughts.com is an AI-powered productivity tool designed to transform raw notes and ideas into structured project plans.

[Other] Unix time converter tool Transform Unix time to human-readable datetime formats, batch convert multiple timestamps, and access timezone conversions. Perfect for developers who need to convert Unix timestamp to datetime quickly and accurately.

[IDE/Editor] Visual react component editor with in built AI analysis Build, Edit, and Analyze React Components Visually with AI-Powered Insights.

[Other] Show HN: Q.js – Smaller than React/Vue, yet more powerful (40KB gzipped) Q.js is a lightweight JS framework that I recently distilled from our in-house Qbix platform that I’ve been building since 2011. It powers many of our social apps, which have all the features of Facebook, LinkedIn, X, etc.<p>We’re not a big company like Google or Meta, so we never released it publicly. Now I’d like to, and thought it would be a good idea to post it on HN and gather some feedback.<p>Q.minimal.js was designed to be dropped into any website. It lazy-loads all your components only as they are needed and appear on the screen. The minimal file is meant as a starting point for developers, and if you later want more features from the Qbix platform, you can simply swap it out for the larger Q.js file instead.<p>Here are some advantages of Q.minimal.js compared to React, Angular, Vue, or whatever you might be using now:<p>40KB gzipped, smaller than React (without ReactDOM), smaller than Vue runtime, far smaller than Angular<p>No build step, just drop it in; works with plain .html &lt;template&gt; files or with JS&#x2F;Handlebars templates<p>Components &amp; tools, like React components or Vue directives, but attachable as behaviors to any DOM element<p>Faster rendering with requestAnimationFrame and .rendering(), no giant virtual DOM reconciliation<p>Built-in power: batching, caching, lazyloading, routing, slot-based page activation, all included in core<p>Universal dev model: designers can use pure HTML, developers can use JS, both work interchangeably<p>Incremental: drop it into an existing site without rewriting or compiling anything<p>If you have a free hour, give it a try! Play around with it, and let me know what you think. It&#x27;s 100% free and open source under MIT license and I&#x27;m looking to polish up any rough edges before letting developers know about it.

[CLI Tool] Show HN: Captan – Open-Source Cap Table Management CLI I built Captan (<a href="https:&#x2F;&#x2F;github.com&#x2F;acossta&#x2F;captan" rel="nofollow">https:&#x2F;&#x2F;github.com&#x2F;acossta&#x2F;captan</a>), a tiny open-source CLI tool for managing startup cap tables.<p>Instead of juggling spreadsheets or paying for expensive SaaS cap table solutions, Captan stores everything in a simple JSON file that you can version-control in Git.<p>It supports:<p>- Stakeholders (founders, employees, investors)<p>- Security classes (Common, Preferred, Option Pool)<p>- Share issuances<p>- Option grants with vesting schedules (monthly, cliff)<p>- SAFEs (record + simulate conversion at a priced round)<p>- Cap table math (Outstanding vs Fully Diluted)<p>- CSV&#x2F;JSON exports<p>- Audit log (&quot;the ship’s log&quot;)<p>Overall a JSON in git will offer better auditability and version control than most commercial solutions out there.<p>Modeling different scenarios is super easy, just create a git branch and model whatever you need.<p>Quick taste:<p>---------------------------------------<p>npm install -g captan<p>$captan init --name &quot;Acme, Inc.&quot; --pool-pct 20<p>$captan enlist stakeholder --name &quot;Alice Founder&quot;<p>$captan issue --security sc_common --holder sh_alice --qty 5000000<p>$captan chart<p>Example output:<p>Captan — Cap Table (as of today)<p>Name Outstanding %<p>Alice Founder 5000000 100.00%<p>Totals<p>Issued equity: 5000000<p>Vested options: 0<p>Outstanding total: 5000000<p>Fully diluted total: 7000000<p>---------------------------------------<p>Why I built it: early-stage founders (myself included) often don’t need Carta or Pulley yet — just a clean, hackable way to track ownership. I wanted something transparent, developer-friendly, and Git-native.<p>Repo: <a href="https:&#x2F;&#x2F;github.com&#x2F;acossta&#x2F;captan" rel="nofollow">https:&#x2F;&#x2F;github.com&#x2F;acossta&#x2F;captan</a><p>npm: <a href="https:&#x2F;&#x2F;www.npmjs.com&#x2F;package&#x2F;captan" rel="nofollow">https:&#x2F;&#x2F;www.npmjs.com&#x2F;package&#x2F;captan</a><p>I’d love feedback on what features would make this more useful to you?<p>Thanks!

[Other] Show HN: An AI coding tool for unserious projects Crazy Context is a playful no-code tool to generate project prompts, then turn them into Javascript-based applications in one shot. It has robust version control and a unique approach while super easy to use, cheap and fast. It&#x27;s perfect for any trial and error type approach.

[CLI Tool] Show HN: Sometimes GitHub is boring, so I made a CLI tool to fix it Just wanted to clone a repo from my gh account and visualize it. Pretty easy with gitact. You can check any gh account.<p>It’s called { gitact }<p>quickly navigate through a user’s repos instantly grab the right git clone URL<p>Feedback, stars and PRs are welcome

[Other] Show HN: Yet another daily word game – wotd Howdy HN. I wanted an excuse to do some lightweight JS&#x2F;TS development and to get reacquainted with the Cloudflare stack, so I put together a daily word game. It&#x27;s partially inspired by NYT&#x27;s Spelling Bee and Wordle. The main goal is to find a specific word each day that uses each provided letter at least once. There&#x27;s a secondary goal of finding as many words as possible. Right now progress is all stored on-device, but in the future I might add leaderboards or other competitive elements. Hope y&#x27;all enjoy!