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AddCookieViz is a vizualization tool allowing to view cookies impact during your browsing.
CookieViz analyzes the interactions between your web browser and the remote servers and websites. You will be able to know to which other player the site you're visiting sends information.
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recipe markup language.
Cooklang is a simple, human-readable text format for writing recipes that can be understood by both cooks and computers.
Write @flour{2%cups} and ~{25%minutes} in plain text files. Get automatic shopping lists, scaling, timers, and beautiful formatting — while keeping your recipes in files you own forever.
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CoolerControl is a feature-rich cooling device control application for Linux. It has a system daemon for background device management, as well as a GUI to expertly customize your settings.
CoolerControl depends on Hwmon kernel drivers and liquidctl to access and control supported hardware.
Self-hosting with superpowers. An open-source & self-hostable Heroku / Netlify / Vercel alternative.
Coolify is an open-source & self-hostable alternative to Heroku / Netlify / Vercel / etc. It helps you to manage your servers, applications, databases on your own hardware, all you need is SSH connection. You can manage VPS, Bare Metal, Raspberry PI's anything.
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responsive framework
The super fast color schemes generator!
Similar to Hail Pixel, Coolors makes color picking more fluid by helping you mix and match colors until you find the perfect combination. Hit the space button until a color combo appears that you like – then move selections around, adjust color components and export your palette when it’s ready.
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Generate perfect color combinations for your designs.
cool-retro-term is a terminal emulator which mimics the look and feel of the old cathode tube screens. It has been designed to be eye-candy, customizable, and reasonably lightweight.
Pro Color Palette Software from COLOURlovers :: COLOURlovers. COPASO is an advanced color palette tool that helps you create the perfect color palette. If you're finding COPASO a bit too rich for your color creating tastes, you can always use our basic color palette tool.
Turn GitHub Copilot into OpenAI/Anthropic API compatible server. Usable with Claude Code!
A reverse-engineered proxy for the GitHub Copilot API that exposes it as an OpenAI and Anthropic compatible service. This allows you to use GitHub Copilot with any tool that supports the OpenAI Chat Completions API or the Anthropic Messages API, including to power Claude Code.
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Cursor for circuit boards.
Copperhead is an open-source AI engineering platform that helps hardware teams design, verify and ship circuit boards.
Coppermine is a multi-purpose fully-featured and integrated web picture gallery script written in PHP using GD or ImageMagick as image library with a MySQL backend.
Low level control GUI for PipeWire.
coppwr displays and provides control over many aspects of PipeWire as directly as possible in an organized and visual way. It can help with debugging and diagnosing a PipeWire setup or with developing software that interacts with PipeWire.
A tool for transforming and moving code between repositories.
Copybara is a tool used internally at Google. It transforms and moves code between repositories.
Often, source code needs to exist in multiple repositories, and Copybara allows you to transform and move source code between these repositories. A common case is a project that involves maintaining a confidential repository and a public repository in sync.
Copybara requires you to choose one of the repositories to be the authoritative repository, so that there is always one source of truth. However, the tool allows contributions to any repository, and any repository can be used to cut a release.
Play lunar lander in you windows file copy dialog. Here is one of the most pressing issues of our times: You need to download a huge file from the other side of the world to continue your work. You literally can't do anything but wait. Now there is finally a solution to this problem! Play lunar lander in these inviting hills generated by the progress dialog. Time flies when you are having fun!
turn almost any device into a file server with resumable uploads/downloads using any web browser.
Portable file server with accelerated resumable uploads, dedup, WebDAV, FTP, TFTP, zeroconf, media indexer, thumbnails++ all in one file, no deps.
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CSS templates for buttons, box-shadows, form inputs, color palettes & emojis.
Copy lines with file path, line number, and repository URL metadata. Perfect for sharing code snippets with context.
When sharing code snippets, it's often useful to include the file path and line number for context. This plugin makes it easy to copy lines with this metadata. It is easier to understand the context of the code snippet when the file path and line number are included. Otherwise you have to do it manually. Copying snippet, then adding the line number (what if it is long config file? it is boring). We can automate it and do not waste our time.
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Coqui STT (frogSTT) is a fast, open-source, multi-platform, deep-learning toolkit for training and deploying speech-to-text models. frogSTT is battle tested in both production and research rocket
Your agent's query language. One SQL interface over APIs, files, and live sources — built for agents.
Coral gives agents a local-first SQL runtime over APIs, files, and other data sources. Query it from the CLI, inspect schemas and tables, or expose the same runtime over MCP so agents can use it without bespoke tool glue.
A better commenting experience from Vox Media.
Coral improves community on your website through open source software, effective design, and strategies that work. Online comments are broken. Our open-source commenting platform, Coral, rethinks how moderation, comment display, and conversation function, creating the opportunity for safer, smarter discussions around your work.
A machine learning accelerator core designed for energy-efficient AI at the edge.
Coral NPU is a hardware accelerator for ML inferencing. Coral NPU is an Open Source IP designed by Google Research and is freely available for integration into ultra-low-power System-on-Chips (SoCs) targeting wearable devices such as hearables, augmented reality (AR) glasses and smart watches.
Reduce logs to their semantic anomalies.
Cordon uses transformer embeddings and density scoring to identify semantically unusual patterns in large log files, reducing massive logs to the most anomalous sections for analysis. Repetitive patterns (even errors) are considered "normal background." Cordon surfaces unusual, rare, or clustered events that stand out semantically from the bulk of the logs.
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coreboot is an extended firmware platform that delivers a lightning fast and secure boot experience on modern computers and embedded systems. As an Open Source project it provides auditability and maximum control over technology.
Fast, secure and flexible Open Source firmware.
coreboot is a Free Software project aimed at replacing the proprietary firmware (BIOS/UEFI) found in most computers. coreboot performs the required hardware initialization to configure the system, then passes control to a different executable, referred to in coreboot as the payload. Most often, the primary function of the payload is to boot the operating system (OS).
coreboot is an extended firmware platform that delivers a lightning fast and secure boot experience on modern computers and embedded systems. As an Open Source project it provides auditability and maximum control over technology.
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Dashboard to manage your entire server infrastructure.
The only dashboard you'll ever need to manage your entire server infrastructure. Keep all your server data organized in one central place, easily add your self-hosted applications with quick access links, and monitor their availability in real-time with built-in uptime tracking. Designed for simplicity and control, it gives you a clear overview of your entire self-hosted setup at a glance.
DNS and Service Discovery.
CoreDNS is a DNS server. It is written in Go. It can be used in a multitude of environments because of its flexibility.
CoreDNS is a DNS server/forwarder, written in Go, that chains plugins. Each plugin performs a (DNS) function.
CoreDNS can listen for DNS requests coming in over UDP/TCP (go'old DNS), TLS (RFC 7858), also called DoT, DNS over HTTP/2 - DoH - (RFC 8484) and gRPC (not a standard).
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Modular standard library for JavaScript. Includes polyfills for ECMAScript up to 2023: promises, symbols, collections, iterators, typed arrays, many other features, ECMAScript proposals, some cross-platform WHATWG / W3C features and proposals like URL. You can load only required features or use it without global namespace pollution.
A native command-line interface for working with Apple Core ML models on macOS. Inspect, run inference, benchmark, and manage Core ML models without Xcode or Python.
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CoreUI Icons is an open-source icon set with more than 1500 icons in multiple formats SVG, PNG, and Webfonts. CoreUI Icons are beautifully crafted symbols for common actions and items. You can use them in your digital products for web or mobile app.
Coriolis® is the simplest way to migrate Windows or Linux virtual machines alongside their associated storage and networking configurations across multiple cloud platforms.
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Corkscrew is a tool for tunneling SSH through HTTP proxies, but... you might find another use for it.
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One App for All Your Lights. Smart Lights Made Simple. Control All Your Lights at Once. Hue, LIFX, Nanoleaf, Arduino.
Enfin une solution CRM simple et puissante…
The easiest way to build interactive medical imaging web applications. Supported by the Open Health Imaging Foundation.
Cornerstone is a set of JavaScript libraries that can be used to build web-based medical imaging applications. It provides a framework to build radiology applications such as the OHIF Viewer.
Coroot helps you fix service outages and even prevent them. It continuously audits telemetry data to highlight issues and weak spots in your infrastructure. Coroot is not another observability platform with flashy dashboards and alerts rules. It is an assistant, which not only detects issues in your applications but also provides you with a list of possible fixes. Each recommendation is equipped with all the relevant details to implement the fix.
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An open-source observability platform built for simplicity. Say goodbye to manual analysis of metrics, logs, and traces. Gain actionable insights and focus on remediation.
Coroot is an open-source APM & Observability tool, a DataDog and NewRelic alternative 📊, 🖥️, 👉. Powered by eBPF for rapid insights into system performance. Monitor, analyze, and optimize your infrastructure effortlessly for peak reliability at any scale.
All-in-One Observability Platform.
Coroot is an open-source APM & Observability tool, a DataDog and NewRelic alternative. Metrics, logs, traces, continuous profiling, and SLO-based alerting, supercharged with predefined dashboards and inspections.
Coroot is a monitoring and troubleshooting tool for microservice architectures.
corrosion is a distributed system for propagating SQLite state across a cluster of nodes.
Open Source Integration Layer for AI Agents. Add any integration in minutes.
Connect to the apps your users rely on without maintaining the infrastructure that keeps it working.
Corsair is the unified integration layer for your agents. Connect your Corsair instance to your agent and immediately get access to every integration. Your agent never sees the credentials, and you control exactly what it can do.
Open source clone of Theme Hospital.
A reimplementation of the 1997 Bullfrog business sim Theme Hospital. As well as faithfully recreating the original, CorsixTH adds support for modern operating systems (Windows, macOS, Linux and BSD), high resolutions and much more.
Source: CorsixTH - Un moteur open source pour Theme Hospital @ Korben :fr:.
I made my AI think harder by making it argue with itself repeatedly. It works stupidly well.
CoRT makes AI models recursively think about their responses, generate alternatives, and pick the best one. It's like giving the AI the ability to doubt itself and try again... and again... and again.
horizontally scalable, highly available, multi-tenant, long term storage for Prometheus.
APIs built for developers and agents.Every developer.Every agent.
Cortex turns API specifications and Markdown into typed SDKs, interactive documentation, and MCP servers for developers and AI agents. Generate typed SDKs from OpenAPI, AsyncAPI, GraphQL, gRPC, and OpenRPC—plus interactive docs and MCP servers enriched with custom Markdown.
Horizontally scalable, highly available, multi-tenant, long term storage for Prometheus.
Colorful shadows for your images. 🎨 cosha lets you add colorful shadows to your images. Try it out and look for yourself—it really couldn't be easier to set up!
Code signing and transparency for containers and binaries. Signing OCI containers (and other artifacts) using Sigstore! Cosign aims to make signatures invisible infrastructure.
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An open source project originally designed to provide the University of Michigan with a secure single sign-on web authentication system. cosign is part of the National Science Foundation Middleware Initiative (NMI) EDIT software release.
Foundational software for designing beautiful user experiences. Use it on your favorite distro!
Impress users with the tools you build for them. COSMIC offers better performance, efficiency, and in-depth personalization to empower a wide variety of use cases.
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Cloud-Hosted Content Management Platform, API-First CMS. API-first CMS for building content-powered apps in any programming language.
Cosmo is the first open-source, live-editing, responsive, single page application content management system (CMS) created in AngularJS and PHP.
build-once run-anywhere c library.
Cosmopolitan Libc makes C a build-once run-anywhere language, like Java, except it doesn't need an interpreter or virtual machine. Instead, it reconfigures stock GCC and Clang to output a POSIX-approved polyglot format that runs natively on Linux + Mac + Windows + FreeBSD + OpenBSD 7.3 + NetBSD + BIOS with the best possible performance and the tiniest footprint imaginable.
NVIDIA Cosmos™ is a platform of state-of-the-art generative world foundation models, advanced tokenizers, guardrails, and an accelerated data processing and curation pipeline for autonomous vehicles (AVs) and robotics developers.
Cosmos is a world model development platform that consists of world foundation models, tokenizers and video processing pipeline to accelerate the development of Physical AI at Robotics & AV labs. Cosmos is purpose built for physical AI. The Cosmos repository will enable end users to run the Cosmos models, run inference scripts and generate videos.
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☁️ The Most Secure and Easy Selfhosted Home Server. Take control of your data and privacy without sacrificing security and stability (Authentication, anti-DDOS, anti-bot) .
Selfhosting your own cloud and web services is so satisfying, but it's also very time consuming, and dangerous. With Cosmos, take the chore out of selfhosting, with automated maintenance and fully secured setup out of the box. It even integrates to your existing setup.
📺 A self-hosted, YouTube based application that recreates the feel of a TV channel. CouchTube schedules YouTube video playback dynamically from user-defined channel lists. Customize, share, and submit JSON-based playlists to make CouchTube your own!
Countable is a JavaScript function to add live paragraph-, word- and character-counting to an HTML element. Countable is a zero-dependency library and comes in at 1KB when minified and gzipped.
Simple Web Analytics. Web Analytics made simple and therefore privacy-friendly.
Not just a mock server. Turn an OpenAPI spec into TypeScript-based simulation, with state management, hot reload, and a REPL.
Point Counterfact at an OpenAPI spec and get a live, stateful API in seconds — with TypeScript safety, hot reload, shared state, and a programmable REPL.