🛠️ All DevTools

[CLI Tool] Show HN: Parqeye – A CLI tool to visualize and inspect Parquet files I built a Rust-based CLI&#x2F;terminal UI for inspecting Parquet files—data, metadata, and row-group-level structure—right from the terminal. If someone sent me a Parquet file, I used to open DuckDB or Polars just to see what was inside. Now I can do it with one command.<p>Repo: <a href="https:&#x2F;&#x2F;github.com&#x2F;kaushiksrini&#x2F;parqeye" rel="nofollow">https:&#x2F;&#x2F;github.com&#x2F;kaushiksrini&#x2F;parqeye</a>

[Other] Show HN: PrinceJS – 19,200 req/s Bun framework in 2.8 kB (built by a 13yo) Hey HN,<p>I&#x27;m 13, from Nigeria, and I just released PrinceJS — the fastest web framework for Bun right now.<p>• 19,200 req&#x2F;s (beats Hono&#x2F;Elysia&#x2F;Express) • 2.8 kB gzipped • Tree-shakable (cache, AI, email, cron, SSE, queue, test, static...) • Zero deps. Zero config.<p>Built in &lt; 1 week. No team. Just me and Bun.<p>Try it: `bun add princejs` GitHub: <a href="https:&#x2F;&#x2F;github.com&#x2F;MatthewTheCoder1218&#x2F;princejs" rel="nofollow">https:&#x2F;&#x2F;github.com&#x2F;MatthewTheCoder1218&#x2F;princejs</a> Docs: <a href="https:&#x2F;&#x2F;princejs.vercel.app" rel="nofollow">https:&#x2F;&#x2F;princejs.vercel.app</a><p>Brutal feedback welcome. What&#x27;s missing?<p>– @Lil_Prince_1218

[Other] Show HN: Building WebSocket in Apache Iggy with Io_uring and Completion Based IO

[CLI Tool] Show HN: I build a strace clone for macOS Ever since I tested software on macOS, I deeply missed my beloved strace that I use when programs are missbehaving. macOS has dtruss but it&#x27;s getting locked down and more unusable with every machine. My approach uses the signed lldb binary on the system and re-implements the output you are know from the wonderful strace tool. I just created the tool yesterday evening, so it may have a few bugs, but I already got quiet a few integration tests and I am happy so far with it.

[Monitoring/Observability] Show HN: I ditched Grafana for my home server and built this instead Frustrated by the complexity and resource drain of multi service monitoring stacks, I built Simon. I wanted a single, lightweight dashboard to replace the heavy stack and the constant need for an SSH client for routine tasks. The result is a resource efficient dashboard in a single Rust binary, just a couple of megabytes in size. Its support for various architectures on Linux also makes it ideal for embedded systems and lightweight SBCs.<p>It integrates: Comprehensive Monitoring: Realtime and historical metrics for the host system and Docker containers (CPU, memory, disk usage, and network activity). Integrated File &amp; Log Management: A web UI for file operations and for viewing container logs, right where you need them. Flexible Alerting: A system to set rules on any metric, with templates for sending notifications to Telegram, ntfy, and webhooks. My goal was to create a cohesive, lightweight tool for self hosters and resource constrained environments. I&#x27;d love to get your feedback.<p><a href="https:&#x2F;&#x2F;github.com&#x2F;alibahmanyar&#x2F;simon" rel="nofollow">https:&#x2F;&#x2F;github.com&#x2F;alibahmanyar&#x2F;simon</a>

[Other] GCC 16 considering changing default to C++20

[Other] Open multiple links online instantly Use our free Bulk URL Opener to open multiple URLs in one click. Fast, private, and easy-to-use tool for SEO experts, marketers, and developers.

[Other] A developer-first commerce backend. Use our pre configured backend to build your next Commerce application. We handle all the hard parts so you can focus on building your the customer experience.

[Other] Find the perfect name for your fantasy characters Free tools for writers, DnD players, and game developers. Create unique, memorable names for your fantasy characters in seconds.

[Other] Show HN: 13Radar – Real-Time Hedge Fund Portfolio Analytics Hi HN,<p>We’re a small team working on 13Radar.com, which we launched about two weeks ago after 4 months of development. I’m the founder, and together with the team we’re building a platform that tracks hedge fund portfolios in real-time based on SEC Form 13F filings.<p>AI has been a major helper in our workflow. For a single webpage, we often consult multiple AI systems in parallel, generating different versions and comparing them side by side before deciding on the final design or implementation. More than 60% of the research, design, and coding involved AI assistance. For UI design we used Readdy, which gave us a smooth design experience. We experimented with Google Gemini and ChatGPT for research and prototyping, while most of the coding was done with Claude Code (Trae). On the front-end, we started with Bootstrap but later switched to TailwindCSS for a lighter, more responsive framework.<p>Features so far:<p>Real-time tracking of hedge fund holdings from SEC 13F filings<p>Portfolio changes per quarter (new positions, increases, reductions, exits)<p>Sector-level insights and trend analysis<p>Historical tracking and backtesting tools<p>Next steps:<p>Implementing pricing and subscription features<p>Adding email notifications and report export<p>Expanding analytics with insider transaction data<p>Continuing to refine usability and performance<p>We’d love feedback from the community:<p>Does this solve a real pain point for investors&#x2F;researchers<p>Any thoughts on improving positioning or usability<p>Suggestions for features that would make this more useful<p>Thanks for reading — and if you’re curious, feel free to check out the site and let us know what you think.

[Other] Show HN: Open-source Agent in Rust that can't delete your database run &quot;stakpak --profile readonly&quot;, then ask it to list, then nuke some AWS resource <a href="https:&#x2F;&#x2F;stakpak.gitbook.io&#x2F;docs&#x2F;how-it-works&#x2F;warden-guardrails" rel="nofollow">https:&#x2F;&#x2F;stakpak.gitbook.io&#x2F;docs&#x2F;how-it-works&#x2F;warden-guardrai...</a>

[Other] Z3 API in Python: From Sudoku to N-Queens in Under 20 Lines

[Other] Production-Grade Container Deployment with Podman Quadlets – Larvitz Blog

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[API/SDK] Turn your API into an AI experience. Swytchcode lets your API speak for itself. Turn static docs into an AI playground where developers can chat, test, and generate workflows instantly. Built for API-first teams.

[Other] All in one | Advanced debugging tools We’ve combined powerful Salesforce debugging tools into one browser extension — debug Apex, run unlimited SOQL queries, inspect LWC components, and now export picklists directly. With real-time log filtering, smart code search, and fast access via Ctrl + K, developers and admins can streamline their workflows like never before.

[Testing] Smart Contract Auditor - Instant Security Scan Demoshield: Pre-deploy scanner for instant smart contract security checks. Finds critical vulnerabilities (Reentrancy, Overflow) in 10 seconds — directly in your browser. No setup. Integrate into any dev platform (Remix, Hardhat) to prevent hacks before deployment. Stop funds theft at the source. Proven on live contracts with verified results. Make security accessible. Scan before you deploy.

[Code Quality] Style guide checker for technical writing Web-based Markdown linting tool with support for Google, Microsoft, and Red Hat style guides. Check your docs for style and grammar issues in real-time.

[Other] The community-driven directory of Python & AI tools. Py.AI is a curated directory of Python and AI tools — built to help developers quickly find the best libraries, frameworks, and resources for their projects. Fully open-source and community-driven.

[Other] Lightweight engine for outgoing & incoming webhooks in Djang IronRelay is a lightweight, self-contained task and webhook engine for any Django project. It handles: • outgoing webhooks • incoming webhooks • retries • storing attempts • logging HTTP codes, responses and errors Designed for developers who need a simple, reliable alternative to Celery or heavy queue systems. Perfect for SaaS, marketplaces, automation tools or any app that communicates with external APIs. Would appreciate feedback from Django developers and makers!