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AddA Claude Code mod that holds subagent fan-out, heavy-context prompts and retry loops before they spend your usage window. It reads your plan's usage, counts agents across every session, and asks in Claude Code's own dialog.
agent-usage-guard is a Claude Code mod: it runs inside Claude Code and holds runaway spend before it happens. It reads your plan's live usage, and it holds subagent fan-out, heavy-context churn and retry loops.
Powerange is a range slider control, inspired heavily by iOS 7 and the "Power Rangers" TV series. It is easily customizable, both by CSS and JavaScript. With it's many features, including changing color and overall style, switching between horizontal and vertical style, custom min, max and start values, custom step interval, displaying decimal values, displaying icons instead of min/max numbers, it is a really powerful UI tool to use on your website.
Logs, Traces, Metrics, Session Replay, Exceptions. The only tool you need to know what is happening and how to fix it.
Traceway is an OpenTelemetry-native observability platform that combines logs, traces, metrics, session replay/RUM, exceptions, and AI tracing together. Point an OTLP exporter at it and you're in business. No Collector, no glue code, no per-language vendor SDK.
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The 1-file Micro-backend. Affordable Personal AI Smart Model Routing for Personal AI Agents. Cut Costs up to 70% 🦞👧🦚
Manifest is a smart model router for Personal AI Agents like OpenClaw or Hermes. It sits between your agent and your LLM providers, scores each request, and routes it to the cheapest model that can handle it. Simple questions go to fast, cheap models. Hard problems go to expensive ones. You save money without thinking about it.
First versions of the project:
80% of websites and apps only use the most basic backend features. Using over-engineered solutions lead to unnecessary costs and complexity.
Manifest keeps it simple, delivering only the essential backend features and smoothly integrating in your project like any other file in your codebase.
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🔍 Quick file search & app launcher for Windows with community-made plugins.
Dedicated to making your work flow more seamless. Search everything from applications, files, bookmarks, YouTube, Twitter and more. Flow will continue to evolve, designed to be open and built with the community at heart.
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Stash Your Links, Revisit Anytime. Your Self-Hosted Bookmark Manager.
LinkStash is a self-hosted, backend-driven bookmarking and "read it later" solution, empowering you to take full control of your saved links and offline content.
A true game changer. The most agile game engine is now available. Full source code. Full power. Fully featured.
Flax Engine is a high quality modern 3D game engine written in C++ and C#. From stunning graphics to powerful scripts - Flax can give everything for your games. Designed for fast workflow with many ready to use features waiting for you right now.
a fast, memory-safe web server written in Rust. A fast, memory-safe web server powered by Rust
Ferron is a web server optimized for speed, security, and efficiency. Written in Rust, it offers memory safety and performance, making it ideal for modern websites.
Parallax Engine that reacts to the orientation of a smart device. Where no gyroscope or motion detection hardware is available, the position of the cursor is used instead.
Firefox Reader View in your terminal! - CLI tool for Mozilla's Readability library.
readability-cli takes any HTML page and strips out unnecessary bloat by using Mozilla's Readability library. As a result, you get a web page which contains only the core content and nothing more. The resulting HTML is suitable for terminal browsers, text readers, and other uses.
NVIDIA plugin for secure installation of OpenClaw. OpenClaw Plugin for OpenShell.
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A simple web dashboard for Podman. Single binary, no JavaScript, no external dependencies. Ideal as landing page for your self-hosting setup.
fastai is a deep learning library which provides practitioners with high-level components that can quickly and easily provide state-of-the-art results in standard deep learning domains, and provides researchers with low-level components that can be mixed and matched to build new approaches. It aims to do both things without substantial compromises in ease of use, flexibility, or performance. This is possible thanks to a carefully layered architecture, which expresses common underlying patterns of many deep learning and data processing techniques in terms of decoupled abstractions. These abstractions can be expressed concisely and clearly by leveraging the dynamism of the underlying Python language and the flexibility of the PyTorch library. fastai includes:
Marketing skills for Claude Code and AI agents. CRO, copywriting, SEO, analytics, and growth engineering.
AI agent skills for conversion optimization, copywriting, SEO, analytics, and growth engineering. Built for technical marketers and founders.
a Pinterest marketing automation tool that helps you create and schedule hundreds of Pinterest pins in minutes.
Save countless hours of time creating a large-scale Pinterest marketing campaign and start benefitting from free Pinterest marketing today.
The best way of working with Protocol Buffers. Kafka and gRPC for the modern age.
Store directly to Apache Iceberg™ tables and guarantee data quality with Bufstream, a drop-in replacement for Apache Kafka® deployed entirely in your own VPC on AWS, GCP, or Azure.
The buf CLI is the best tool for working with Protocol Buffers. It provides:
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A linter that enforces good API design choices and structure.
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A breaking change detector that enforces compatibility at the source code or wire level.
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A generator that invokes your plugins based on configuration files.
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A formatter that formats your Protobuf files in accordance with industry standards.
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Integration with the Buf Schema Registry, including full dependency management.
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A modern, self-hostable web spectrogram analyzer for your music library.
AudioDeck is a self-hosted web application that lets you visually analyze the audio quality of your music files. Think of it as a web-based, modern version of the classic Spek spectrogram analyzer.
Perfect for checking if your "high-quality" FLAC files are genuine or just upconverted low-quality MP3s.
Fur-ociously Secure, Paw-sitively Adorable!
The purr-fect way to keep your secrets fur-ever safe, straight from the meow-th of your computer to your fur-ends' paws! A fur-ociously secure encryption tool that encodes your secrets as adorable cat and dog sounds, using real elliptic curve cryptography with a playful disguise.
fuite is a CLI tool for finding memory leaks in web apps.
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A powerful, free SEO crawler with features that surpass even paid Screaming Frog.
Free desktop SEO crawler - open source alternative to Screaming Frog and similar tools. Crawl websites, analyze links, extract SEO data, and export results without subscription fees. Fully customizable and extensible!
Prometheus Exporter for Cloud Provider agnostic cost metrics.
Cloud Cost exporter is a designed to collect cost data from cloud providers and export the data in Prometheus format. The cost data can then be combined with usage data from tools such as stackdriver, yace, and promitor to measure the spend of resources at a granular level.
Community, Open Source Suricata based NDR
Part of Network-based threat detection and response solutions from Stamus Networks™
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Cross-platform retro game launcher based on eXoDOS.
A cross-platform launcher for the eXoDOS collections. Browse, download, and play DOS, Windows 3.x, Windows 9x, and ScummVM games on Linux, macOS, and Windows.
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The cursor is the heart of any interaction with the web. Why not take it to the next level? 🚀 Add magnetism and bigger reach to mouse cursor.
Linux GPU Configuration And Monitoring Tool.
This application allows you to control your AMD, Nvidia or Intel GPU on a Linux system.
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selfh.st/icons is a repository of project assets initially built as a data store for the collection of icons displayed in the selfh.st/apps application directory. It has been made publicly available and expanded to include icons spanning all technology services to be leveraged by anyone looking to populate dashboards, documentation, and other visual mediums.
Rust implementation of the Microsoft Remote Desktop Protocol (RDP).
A collection of Rust crates providing an implementation of the Microsoft Remote Desktop Protocol, with a focus on security.
Make Internet Money. Open source payments + billing infrastructure. Infinite pricing models, one source of truth, zero webhooks.
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Comprehensive framework for building web applications in Rust.
Rwf is a comprehensive framework for building web applications in Rust. Written using the classic MVC pattern (model-view-controller), Rwf comes standard with everything you need to easily build fast and secure web apps.
PostgreSQL log analyzer.
pgBadger is a PostgreSQL log analyzer built for speed with fully detailed reports and professional rendering.
Sprites is a free tool for creating beautiful animated infographics on the Web.
UserBenchmark Speed test your PC in less than a minute.
Perfect Green Screen Keys.
When you film something against a green screen, the edges of your subject inevitably blend with the green background. This creates pixels that are a mix of your subject's color and the green screen's color. Traditional keyers struggle to untangle these colors, forcing you to spend hours building complex edge mattes or manually rotoscoping. Even modern "AI Roto" solutions typically output a harsh binary mask, completely destroying the delicate, semi-transparent pixels needed for a realistic composite.
Classless CSS Starter File.
Basic.css gives you basic CSS formatting and ability to make basic grids with only HTML5 syntax. You can use this project to Set your default styling.
This responsive JavaScript plugin allows you to quickly multi-select with the drag of a mouse—or finger.
Open Source Container Runtime Software.
Kata Containers is an open source project and community working to build a standard implementation of lightweight Virtual Machines (VMs) that feel and perform like containers, but provide the workload isolation and security advantages of VMs.
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A production-grade, zero-configuration preset for
Ultracite is a zero-config preset for ESLint, Biome, and Oxlint that helps teams and AI write consistent, type-safe code.
Enforce the habit of self-documenting code through better commit messages.
smartcommit is an intelligent, AI-powered CLI tool that helps you write semantic, Conventional Commits messages effortlessly. It analyzes your staged changes, asks clarifying questions to understand the "why" behind your code, and generates a structured commit message for you.
MJML is a markup language designed to reduce the pain of coding a responsive email. Its semantic syntax makes it easy and straightforward and its rich standard components library speeds up your development time and lightens your email codebase. MJML's open-source engine generates high quality responsive HTML compliant with best practices.
One image for all screen resolutions and different devices is not enough. An image per pixel is too much - so how can someone automatically choose the optimal responsive image sizes?
Responsive websites, even the most modern ones, often struggle with selecting image resolutions that best match the various user devices. They compromise on either the image dimensions or the number of images. It's time to solve these issues and start calculating image breakpoints more mathematically, rather than haphazardly.
A fork of the simple WireGuard VPN server GUI community maintained
Open-source media server with a web interface and desktop app for anime and manga.
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Other tools show you a hairball. We teach you the codebase. Graphs that teach the codebase.
Graphs that teach > graphs that impress. Turn any code, or knowledge base (Karpathy LLM wiki), into an interactive knowledge graph you can explore, search, and ask questions about. Works with Claude Code, Codex, Cursor, Copilot, Gemini CLI, and more.
A scale-out production-ready vendor-neutral OCI-native container image/artifact registry (purely based on OCI Distribution Specification)
🛸 Hermes Agent — Portable & Cross-Platform.
Run a fully self-contained, self-improving AI agent from a single folder or USB drive. No global installation. Zero host pollution. All conversations, configs, memories, and skills stay inside your folder.
jquery.terminal is a jQuery plugin which displays an interactive terminal in your pages.
Escalator is a batch or job optimized horizontal autoscaler for Kubernetes.
It is designed for large batch or job based workloads that cannot be force-drained and moved when the cluster needs to scale down - Escalator will ensure pods have been completed on nodes before terminating them. It is also optimized for scaling up the cluster as fast as possible to ensure pods are not left in a pending state.
The open-source AI-native IDE. Powered by the state-of-the-art agentic framework on swebench-lite.
Aide is the Open Source AI-native code editor. It is a fork of VS Code, and integrates tightly with the leading agentic framework on swebench-lite.
An evolving recon & pentest skill pack. CORS, XSS, SQLi, SSRF, RCE, WordPress, MCP, cloud, subdomain takeover, and more. Field-tested.
A curated pack of security skills for external reconnaissance, web applications, APIs, authentication, vulnerability validation, attack-path analysis, and reporting.
Automate running Lighthouse for every commit, viewing the changes, and preventing regressions. Lighthouse CI is a suite of tools that make continuously running, saving, retrieving, and asserting against Lighthouse results as easy as possible.
Load testing designed for DevOps and CI/CD.
Gatling is a highly capable load testing tool. It is designed for ease of use, maintainability and high performance.
Out of the box, Gatling comes with excellent support of the HTTP protocol that makes it a tool of choice for load testing any HTTP server. As the core engine is actually protocol agnostic, it is perfectly possible to implement support for other protocols. For example, Gatling currently also ships JMS support.
The haveged project is an attempt to provide an easy-to-use, unpredictable random number generator based upon an adaptation of the HAVEGE algorithm. Haveged was created to remedy low-entropy conditions in the Linux random device that can occur under some workloads, especially on headless servers. Current development of haveged is directed towards improving overall reliablity and adaptability while minimizing the barriers to using haveged for other tasks.
Let's build a better web together. We give anyone the power to create, share, and use beautiful custom elements made with CSS and HTML.