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- 1BraiNOTES lets students handwrite notes on lecture PDFsβShow HN: BraiNOTES, handwritten notes on your lecture PDFs in a browser tab
A developer has released BraiNOTES, an open-source browser-based tool that lets users write handwritten notes directly on top of lecture PDFs without leaving a browser tab. The project, shared on Hacker News and hosted on GitHub, is drawing attention from students and developers interested in lightweight note-taking tools that skip native app installs.
- 2Spotatui offers Spotify control without API rate limitsβShow HN: Spotatui, a Spotify TUI/GUI without web API rate limits
A developer has released Spotatui, an open-source terminal and graphical interface for controlling Spotify playback that bypasses the web API rate limits that constrain most third-party clients. The project, published by LargeModGames on GitHub, is drawing attention among developers frustrated with the restrictions Spotify places on apps that rely on its official Web API.
- 3
A developer has released a web application for creating and browsing terminal color themes, sharing it on Hacker News where it has drawn early engagement from the community. Terminal customization tools are a recurring favorite among developers, and users typically respond with feedback on design, features, and compatibility with different terminal emulators.
- 4BetterWispr launches as free open-source Mac dictation toolβShow HN: BetterWispr β Free, open-source dictation for Mac
Developer kartik017 has released BetterWispr, a free and open-source dictation application for Mac, sharing it on Hacker News where it has drawn over 200 upvotes. The tool lets users convert speech to text locally, offering an alternative to paid transcription services, and early commenters are discussing its features and open-source approach.
- 5Pulse Local launches Mac budgeting app with on-device AIβΌShow HN: Pulse Local, a Mac budgeting app whose AI models run on your machine
A developer has released Pulse Local, a budgeting app for Mac that runs its AI models entirely on the user's machine rather than in the cloud. The launch is drawing attention among privacy-minded users, who see on-device AI as a way to get smart financial insights without sending sensitive banking data to external servers.
- 6
Developer Corey Prophitt has published a write-up detailing how to build a modern web application in C, a language rarely used for full web development today. The piece walks through the practical choices and challenges involved, and it is drawing significant attention and debate among developers about whether C is a viable choice for contemporary web projects.
- 7
A Hacker News discussion asks whether developers and users are reluctant to install apps built with AI-generated code, so-called vibe-coded apps. The question touches on growing concerns over security, code quality and trustworthiness in software produced largely by prompting AI tools rather than careful human review. Commenters are weighing convenience and speed against the risks of shipping unvetted code.
- 8Developer builds Figma clone in 3 hours with Opus 5.5βΌShow HN: Opus 5.5 made a fully featured Figma clone in 3 hours / 8 prompts
A developer says the Claude Opus 5.5 AI model produced a fully featured Figma clone in just three hours using eight prompts. The demo, shared as a working app, is drawing attention to how quickly AI coding tools can now recreate complex design software that once took teams months to build.
- 9Claims that every app's source code is now effectively publicβEvery app on Earth is now open source... whether it likes it or not
A widely shared tech commentary claims that effectively every application's source code is now open to inspection, whether developers consent or not. It has drawn millions of reactions, with viewers debating what this means for software security, proprietary code, and the future of closed-source development. No specific app, company, or incident is named in the claim.
- 10New open-source tool reverse engineers apps with AI agentsβReverse engineer anything with agents, from app behavior down to native binaries
A developer has released an open-source project that uses AI agents to reverse engineer software automatically, from observing an application's behavior down to analysing native binaries. The tool, called REA, is hosted on GitHub. Hacker News readers are engaging with the release, debating how far agentic automation can go in what has traditionally been a manual, specialised task in security and software analysis.
- 11
Mozilla's Thunderbird project has published a first look at a native iOS email app currently in development, marking the open-source client's move onto the iPhone. Readers are discussing what the early build shows and what a Thunderbird arrival on iOS could mean for alternatives to Apple's Mail and other mobile email apps.
- 12New email app allows only one sender per inboxβShow HN: I wrote an email app that accepts only one sender per inbox
A developer has launched Clova, an email application built on an unusual premise: each inbox accepts messages from only one designated sender. The idea is to eliminate spam, newsletters and unwanted mail entirely by requiring a one-to-one relationship between sender and recipient. The project is drawing attention among technology enthusiasts for its radical approach to inbox management, with commenters debating whether such strict limits could work for everyday communication or only niche uses.
- 13Claude Code Desktop Preview Pane Vulnerability Enables Data ExfiltrationβClaude Code Desktop Vulnerability: Preview Pane Data Exfiltration
Security researchers at Noma Security report a vulnerability in Anthropic's Claude Code Desktop, warning that the app's preview pane can be used to exfiltrate user data. The disclosure is drawing attention among developers and security professionals, who are debating the risks of agentic coding tools having access to local files and how vendors should sandbox such features.
- 14Free Open-Source Clones of Adobe Apps Go ViralβVibecodaram os Apps da ADOBE!! Tudo de GRAΓA e OPENSOURCE (Γ© serio)
A wave of free, open-source alternatives to Adobe's creative apps, built by developers using AI 'vibe coding', is drawing huge attention. The projects promise Photoshop, Illustrator and similar tools at no cost, sparking debate about whether open-source clones can genuinely rival Adobe's subscription software and what it means for the company's pricing model.
- 15Google Play adds support for private vibe-coded appsβGoogle Play now lets anyone build private, vibe-coded apps that run on Android
Google Play now supports private, AI-generated apps built for individual users, meaning anyone can create and run a custom 'vibe-coded' Android app without publishing it publicly. The move, reported by TechCrunch, signals Google embracing the wave of AI-assisted app building and could change how personal software is distributed on Android.
Repos
- affaan-m/ECC The agent harness performance optimization system. Skills, instincts, memory, security, and research-first development f
- debpalash/VoiceStudio VoiceStudio is the open-source, fully-local ElevenLabs alternative β voice cloning, voice design, video dubbing, dictati
- onehumanbeing/esp32-iphone-agent Let an AI model use a real iPhone with a $7 ESP32: AirPlay eyes, USB HID hands, any OpenAI-compatible vision model. No M
- storytold/deckcraft Presentations and slide shows: an open-source, clean-room reimplementation of Microsoft PowerPoint in pure Rust. Part of
- storytold/cadcraft CADCraft: computer-aided design and drafting β an open-source, clean-room AutoCAD-style app in pure Rust
- tester-army/e2e Next generation e2e testing framework for web and mobile apps.
- android/ndk The Android Native Development Kit