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Addcheat allows you to create and view interactive cheatsheets on the command-line. It was designed to help remind *nix system administrators of options for commands that they use frequently, but not frequently enough to remember.
Cheat Engine is a development environment focused on modding games and applications for personal use.
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The only cheat sheet you need. Unified access to the best community driven documentation repositories of the world.
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Check, uncheck, toggle, range selection with SHIFT key, limit number of checked checkboxes and more
check-break helps you to discover compatibility breaks between two git revisions of your code, and to improve decisions-making to determine if a new major version is required. In few words, if you follow semver (or try to stick to it), you must use check-break ;-) check-break itself follows semver and monitors its own changes. For now, it's under heavy development, use it at your own risks, compatibility breaks could happen at every moment.
Check-build - Verifies that your NodeJS project follow team conventions, is well written and secure.
Self-Hosted Open Source Monitoring Tools for Real-time Servers & Application.
CheckCle is a self-hosted, open-source monitoring platform for seamless, real-time full-stack systems, applications, and infrastructure. It provides real-time uptime monitoring, distributed checks, incident tracking, and alerts. All deployable anywhere.
240 règles pour améliorer vos sites et mieux prendre en compte vos utilisateurs - Version 4 - 2020-2025
An open source server monitoring application.
Checkmate is an open-source, self-hosted tool designed to track and monitor server hardware, uptime, response times, and incidents in real-time with beautiful visualizations.
Open-source monitoring made simple. Get real-time insights into your infrastructure with powerful analytics and instant alerts.
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Best-in-class infrastructure & application monitoring.
Checkmk is a comprehensive IT monitoring system designed for scalability, flexibility, and low resource consumption. It supports infrastructure and application monitoring across physical, virtual, containerized, and cloud environments.
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Checkov scans cloud infrastructure configurations to find misconfigurations before they're deployed.
Checkov uses a common command line interface to manage and analyze infrastructure as code (IaC) scan results across platforms such as Terraform, CloudFormation, Kubernetes, Helm, ARM Templates and Serverless framework.
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✨ A fast, cross-platform CLI tool to check the git status of multiple projects organized by categories.
Run check-projects to see which of your projects have uncommitted changes, are ahead of remote, or have other git status indicators.
Checkstyle is a development tool to help programmers write Java code that adheres to a coding standard. It automates the process of checking Java code to spare humans of this boring (but important) task. This makes it ideal for projects that want to enforce a coding standard.
LinkChecker is a free, GPL licensed URL validator.
Real Java in the browser.
CheerpJ is a full OpenJDK distribution for the browser, compatible with Java 8, 11, 17, 21 and 25. Build with Java, or run the applications you already have.
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The open-source app generator powered by Convex. Generate realtime full‑stack apps. The only AI app builder that knows backend.
Chef is the only AI app builder that knows backend. It builds full-stack web apps with a built-in database, zero config auth, file uploads, real-time UIs, and background workflows. If you want to check out the secret sauce that powers Chef, you can view or download the system prompt here.
A music streaming server written in python: Stream your own music collection to all your devices!
Image and Video Hosting Software. Your own image and video sharing platform. Create your own Flickr/Imgur-style media sharing platform with full control over your content and rules.
Chevereto is a powerful image and video hosting script that allows you to create a beautiful media hosting website with all the features you need.
Parser Building Toolkit for JavaScript.
Chevrotain is a blazing fast and feature rich Parser Building Toolkit for JavaScript with built-in support for LL(K). Grammars and 3rd party plugin for LL(*) grammars. It can be used to build parsers/compilers/interpreters for various use cases ranging from simple configuration files, to full-fledged programing languages.
Manage your dotfiles across multiple diverse machines, securely.
chezmoi helps you manage your personal configuration files (dotfiles, like ~/.gitconfig) across multiple machines.
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A simple, blazingly fast, selfhosted URL shortener with no unnecessary features; written in Rust.
A lightweight, idiomatic and composable router for building Go HTTP services.
chi is a lightweight, idiomatic and composable router for building Go HTTP services. It's especially good at helping you write large REST API services that are kept maintainable as your project grows and changes. chi is built on the new context package introduced in Go 1.7 to handle signaling, cancelation and request-scoped values across a handler chain.
Chiasmodon is an OSINT tool designed to assist in the process of gathering information about a target domain. Its primary functionality revolves around searching for domain-related data, including domain emails, domain credentials, CIDRs , ASNs , and subdomains, the tool also allows users to search Google Play application ID.
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chibisafe is a beautiful and performant vault to save all your files in the cloud.
A modern and self-hosted take on file uploading services that can handle anything you throw at it thanks to it's robust and fast API, chunked uploads support and more.
CHICKEN is a compiler for the Scheme programming language. It produces portable and efficient C and supports the R5RS and R7RS (work in progress) standards, and many extensions. It runs on Linux, OS X, Windows, many Unix flavours, and aims to be...
Chicory, a JVM native WebAssembly runtime.
Chicory is a JVM native WebAssembly runtime. It allows you to run WebAssembly programs with zero native dependencies or JNI. Chicory can run Wasm anywhere that the JVM can go. It is designed with simplicity and safety in mind. See the development section for a better idea of what we are trying to achieve and why.
A web-based 3D CAD application for online model design and editing.
Chili3D is an open-source, browser-based 3D CAD (Computer-Aided Design) application built with TypeScript. It achieves near-native performance by compiling OpenCascade (OCCT) to WebAssembly and integrating with Three.js, enabling powerful online modeling, editing, and rendering—all without the need for local installation.
A modern, general-purpose Linux distribution.
Chimera is a general-purpose Linux-based OS born from unhappiness with the status quo. We aim to create a system that is simple, transparent, and easy to pick up, without having to give up practicality and a rich feature set. Chimera uses a novel combination of core tools from FreeBSD, the LLVM toolchain, and the Musl C library, delivering a fresh experience with several major benefits.
It is built from scratch using novel tooling, approaches, and userland. Instead of intentionally limiting ourselves, we strive to achieve both conceptual simplicity and convenience with careful and high quality software design.
Bringing the console gaming experience to PC. A Steam Big Picture based couch gaming OS
Kalendae is an attempt to do something that nobody has yet been able to do: make a date picker that doesn't suck. Kalendae provides the following features:
AUDIO DATA TRANSMISSION. Send data with sound .
This application allows you to transmit and receive data through sound. It uses a simple encoding scheme to convert text into audio frequencies, which can be played through your speakers and picked up by a microphone.
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A fast TCP/UDP tunnel over HTTP.
Chisel is a fast TCP/UDP tunnel, transported over HTTP, secured via SSH. Single executable including both client and server. Written in Go (golang). Chisel is mainly useful for passing through firewalls, though it can also be used to provide a secure endpoint into your network.
Secure peer-to-peer chat that is serverless, decentralized, and ephemeral.
Chitchatter is a free (as in both price and freedom) communication tool. Designed to be the simplest way to connect with others privately and securely.
A peer-to-peer chat app that is serverless, decentralized, and ephemeral. Chitchatter is a free (as in both price and freedom) communication tool. It is designed with security and privacy in mind.
Secure File Sharing.
Self-hostable, open-source, and encrypted by default. Built with RustFS for speed and FastAPI for reliability.
Chithi (pronounced: chee-thee | IPA: /ˈtʃiː θiː/) is an open source end-to-end encrypted file sharing system with a zero trust backend server architecture.
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Chive is a free, open source, web-based database management tool, designed to bring joy to web developers - with easy administration, super fast UI and state of the art web technologies.
Yet another pastebin.
Chiyogami is a sleek, modern pastebin with encryption, customizable expiry, private pastes, user accounts and an API for developers. 🚀
Chocolatey NuGet is a Machine Package Manager, somewhat like apt-get, but built with windows in mind.
Choices.js is a lightweight, configurable select box/text input plugin. Similar to Select2 and Selectize but without the jQuery dependency.
Private calorie tracking for Android and the browser. Bring your own AI key, or run Gemma 4 on-device.
🦛 CHONK your texts with Chonkie ✨ - The no-nonsense RAG chunking library. The no-nonsense RAG chunking library that's lightweight, lightning-fast, and ready to CHONK your texts
Printable Papers. free printable papers for the daily use
Modèles de grilles imprimables
ChopChop is a command-line tool for dynamic application security testing on web applications, initially written by the Michelin CERT.
Its goal is to scan several endpoints and identify exposition of services/files/folders through the webroot. Checks/Signatures are declared in a config file (by default: chopchop.yml), fully configurable, and especially by developers.
All the AI, on your Mac.
Chat with o3, Claude, Gemini, DeepSeek, and others all at once. The best models, as soon as they come out, in one open source app.
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Chosen is a JavaScript plugin that makes long, unwieldy select boxes much more user-friendly. It is currently available in both jQuery and Prototype flavors.
Open Source ClickHouse Web UI with RBAC. Free & Self-Hosted.
What started as a single-connection console grew into the combination most ClickHouse tools only do a piece of — first-class RBAC, multi-cluster fleet monitoring, and an autonomous AI SRE that finds the root cause and writes the fix. Read-only. On-prem. Yours.
Add favicons to anchor elements on your page.
the AI-native open-source embedding database. The fastest way to build Python or JavaScript LLM apps with memory! Chroma is the open-source AI application database. Batteries included.
Embeddings, vector search, document storage, full-text search, metadata filtering, and multi-modal. All in one place. Retrieval that just works. As it should be.
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Chrome DevTools for coding agents.
chrome-devtools-mcp lets your coding agent (such as Gemini, Claude, Cursor or Copilot) control and inspect a live Chrome browser. It acts as a Model-Context-Protocol (MCP) server, giving your AI coding assistant access to the full power of Chrome DevTools for reliable automation, in-depth debugging, and performance analysis.
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chrome-devtools-mcp lets your coding agent (such as Gemini, Claude, Cursor or Copilot) control and inspect a live Chrome browser. It acts as a Model-Context-Protocol (MCP) server, giving your AI coding assistant access to the full power of Chrome DevTools for reliable automation, in-depth debugging, and performance analysis.
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Comprehensive date and chronology management for Radarr and Sonarr
Chronarr tracks and manages "dateadded" timestamps for all your movies and TV episodes, integrating directly with Radarr and Sonarr databases. Keep accurate library chronology for sorting, organizing, and understanding when content was added to your collection.
Self-hosted personal gallery application with online photo management and albums, supporting Live/Motion Photos, EXIF parsing, geolocation recognition, and an explore map.
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Chronon is a data platform for serving for AI/ML applications.
Chronon is a platform that abstracts away the complexity of data computation and serving for AI/ML applications. Users define features as transformation of raw data, then Chronon can perform batch and streaming computation, scalable backfills, low-latency serving, guaranteed correctness and consistency, as well as a host of observability and monitoring tools.
It allows you to utilize all of the data within your organization, from batch tables, event streams or services to power your AI/ML projects, without needing to worry about all the complex orchestration that this would usually entail.