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AddPure JavaScript/TypeScript library for multiline text measurement & layout. Fast, accurate & supports all the languages you didn't even know about. Allows rendering to DOM, Canvas, SVG and soon, server-side.
Pretext side-steps the need for DOM measurements (e.g. getBoundingClientRect, offsetHeight), which trigger layout reflow, one of the most expensive operations in the browser. It implements its own text measurement logic, using the browsers' own font engine as ground truth (very AI-friendly iteration method).
A web-based ASCII and Unicode diagram builder written in vanilla Javascript.
Cascii is a web-based ASCII and Unicode diagram builder written in vanilla Javascript. It has zero dependencies on any servers, web packing, libraries, and is no-markup and no-stylesheets. You can start building diagrams by simply opening the cascii.html file in a browser. Cascii is also hosted at cascii.app where you can get short links to your diagrams, open an account, etc (see the Cascii server repo).
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A distributed tracing system.
Zipkin is a distributed tracing system. It helps gather timing data needed to troubleshoot latency problems in service architectures. Features include both the collection and lookup of this data.
If you have a trace ID in a log file, you can jump directly to it. Otherwise, you can query based on attributes such as service, operation name, tags and duration. Some interesting data will be summarized for you, such as the percentage of time spent in a service, and whether or not operations failed.
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Secure, ephemeral browsing in a disposable VM (macOS only).
Bromure is a native macOS app that runs every browser session inside a lightweight, disposable Linux virtual machine using Apple's Virtualization.framework. The browser and your Mac don't share an operating system, a filesystem, or even a kernel. When you close the window, the VM is destroyed -- cookies, history, malware, trackers, all of it. Gone.
Take screenshots or screencasts, annotate, upload and share URL in clipboard
Your repo gets better while you sleep. Nightly agent jobs and PR review for any repo.
Nightshift is a helper that works at night.
It wakes up your coding agent. It gives the agent one small job. The agent looks at your code and does the job. If it finds something worth fixing, it opens a pull request for you to look at. Then it moves to the next job.
A transparent proxy-based VPN using ssh. sshuttle allows you to create a VPN connection from your machine to any remote server that you can connect to via ssh, as long as that server has python 2.3 or higher.To work, you must have root access on the local machine, but you can have a normal account on the server.
DiskCopy is a user friendly disk/partition cloning tool. It's ideal for both migration to a faster storage device and data backup.
Open source, cross-platform, unofficial YouTube Music Desktop App with built-in ad blocker and downloader
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Sync and store locally all of your X / Twitter bookmarks.
An open source, free CLI tool for collecting and categorizing your personal X/Twitter bookmarks. Makes your bookmarks locally available to Claude Code, Codex, or any other agent with shell access.
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✨ Your best Front-End Tool ✨.
🗂 The Front-End Checklist Application is perfect for modern websites and meticulous developers!
The Front-End Checklist is an exhaustive list of all elements you need to have / to test before launching your website / HTML page to production.
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Magnific Popup is a free responsive jQuery lightbox plugin that is focused on performance and providing best experience for user with any device (Zepto.js compatible).
Your library, your server. Self-Hosted E-Book Library.
HomeBranch is a self-hosted E-Book library with a beautiful in-browser reader, cross-device reading position sync, bookshelves, and multi-user support. No subscriptions. No cloud. Full control.
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Nodize is a Content Management System for Node.js, written in CoffeeScript.
Powering current and next-generation map products by creating reliable, easy-to-use, and interoperable open map data.
Overture aims to incorporate map data from multiple sources including Overture Members, civic organizations, and open data sources.
Overture is for developers who build map services or use geospatial data.
Open-Capture is the one and only 100% Open Source intelligent capture managment.
Offline-first SQL sync with Typescript and Rust cores.
Syncular keeps an SQLite database on each client and synchronizes it through a server-owned commit log. Apps read from local SQLite and continue to work offline. A write updates local state immediately, enters an outbox, and is checked by the server when it syncs.
Hey there! In this book, we're going to build a small operating system from scratch, step by step.
You might get intimidated when you hear OS or kernel development, the basic functions of an OS (especially the kernel) are surprisingly simple. Even Linux, which is often cited as a huge open-source software, was only 8,413 lines in version 0.01. Today's Linux kernel is overwhelmingly large, but it started with a tiny codebase, just like your hobby project.
SDO: The Solar Dynamics Observatory is the first mission to be launched for NASA's Living With a Star (LWS) Program, a program designed to understand the causes of solar variability and its impacts on Earth. SDO is designed to help us understand the Sun's influence on Earth and Near-Earth space by studying the solar atmosphere on small scales of space and time and in many wavelengths simultaneously.
Keep builds green with a highly customizable merge queue
Deploy more PRs while cutting CI runtimes. Easily merge changes into a massive monorepo, and run custom CI validations without breaking builds.
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✉️ Open-Source Email API for Developers. Self-hosted Alternative to SES, Mailgun, SendGrid.
Hyvor Relay is a self-hosted, open-source email API for developers. It uses SMTP to send emails using your own infrastructure. It is designed to be simple to self-host, easy to manage and observe, and powerful enough to send millions of daily emails.
tox aims to automate and standardize testing in Python. It is part of a larger vision of easing the packaging, testing and release process of Python software (alongside pytest and devpi).
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A free, user-friendly, extendable application and API for drone image processing. Generate georeferenced maps, point clouds and textured 3D models from aerial images. It uses OpenDroneMap for processing.
The place to collaborate on an open-source implementation of the Java Platform, Standard Edition, and related projects.
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Dioptra is a software test platform for assessing the trustworthy characteristics of artificial intelligence (AI). Trustworthy AI is: valid and reliable, safe, secure and resilient, accountable and transparent, explainable and interpretable, privacy-enhanced, and fair - with harmful bias managed1. Dioptra supports the Measure function of the NIST AI Risk Management Framework by providing functionality to assess, analyze, and track identified AI risks.
Check if an in-app browser is injecting JavaScript code Some iOS and Android apps make use of a custom in-app browser (full details). This causes potential security and privacy risks to the user.
📦, Package Manager for GitHub repos. Huber is to simplify the package management from GitHub projects with a builtin awesome list (live updating) of popular projects. It also supports repository feature for managing the package installation from your personal Github project. Please check the complete introduction as below.
Simple and Elegant Docker Management UI written in Typescript and SvelteKit.
S3oosh allows users to upload multiple files at once to S3 Buckets. It provides a drag-and-drop interface for users to easily upload files to a S3 Bucket. The component supports various file types and allows users to set maximum file count, maximum file size, and accepted file types.
Leak Detection In The DevOps Pipeline
The ZMap Project is a collection of open source measurement tools for performing large-scale studies of the hosts and services that compose the public Internet.
ZMap is a fast single packet network scanner designed for Internet-wide network surveys.
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Easy web app creator.
A Web App Manager, written in rust with GTK and beautiful Adwaita. With Web App Hub you can manage your Web App with ease. All apps will have their own icon and can be isolated from the normal normal browser profile.
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Vento is the Galician word for wind but also a new JavaScript-based template engine. It's inspired by other engines, such as Nunjucks, Liquid, Eta, and Mustache.
Standards first web framework. Nue is HTML, CSS, and JavaScript taken to their absolute peak.
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Paywall bypass.
Marreta is a tool for analyzing URLs and accessing content on the web without any headaches.
Helping organizations to better understand and improve their management of cybersecurity risk.
Framework for Improving Critical Infrastructure Cybersecurity
Flash. Flawless. Flash OS images to SD cards & USB drives, safely and easily.
Local code intelligence for MCP.
Local-first code intelligence graph for MCP and CLI. Builds a persistent map of your codebase so AI coding tools read only what matters, with benchmarked context reductions on reviews and large-repo workflows.
Social server with an ActivityStreams API. This is pump.io. It's a stream server that does most of what people really want from a social network.
Terminal Graphics for the 21st Century.
With chafa, you can now view very, very reasonable approximations of pictures and animations in the comfort of your favorite terminal emulator. The power of ANSI X3.64 compels you!
Frogmouth is a Markdown viewer / browser for your terminal, built with Textual.
Frogmouth can open *.md files locally or via a URL. There is a familiar browser-like navigation stack, history, bookmarks, and table of contents.
Next-generation creation suite. Everything you need to make content, fast. Magical AI tools, realtime collaboration, precision editing, and more. Your next-generation content creation suite.
JavaScript Library for Timezone Lookup by Location.
Fast, memory-efficient time zone estimations from latitude and longitude.
The Open Platform for Cloud Coding Agents.
The self-hosted developer control center for coding agents and automations.
Run OpenHands, Claude Code, Codex, Gemini, or any ACP-compatible agent across local, remote, and cloud backends.
Claude Engineer is an advanced interactive command-line interface (CLI) that harnesses the power of Anthropic's Claude 3 and Claude 3.5 models to assist with a wide range of software development tasks. This tool seamlessly combines the capabilities of state-of-the-art large language models with practical file system operations, web search functionality, intelligent code analysis, and execution capabilities.
The IMDB to Overseerr Sync Tool effortlessly automates the import of your IMDB movie lists into Overseerr, simplifying your movie management with advanced features like real-time progress updates, sleek UI, and robust error handling.
POSH is a social PHP widget portal, web-based content and RSS feed reader, customizable and compliant with Netvibes. Usable in an educational, associative or enterprise intranet context.
FreeUIKits.com is a resource dedicated to providing free UI and GUI PSD files for download.
KOReader is a document viewer for E Ink devices. Supported fileformats include EPUB, PDF, DjVu, XPS, CBT, CBZ, FB2, PDB, TXT, HTML, RTF, CHM, DOC, MOBI and ZIP files. It’s available for Kindle, Kobo, PocketBook, Android and desktop Linux.
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Masonry is a JavaScript grid layout library. It works by placing elements in optimal position based on available vertical space, sort of like a mason fitting stones in a wall. You’ve probably seen it in use all over the Internet.