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AddA unified TypeScript SDK for building chat bots across Slack, Microsoft Teams, Google Chat, Discord, Telegram, GitHub, Linear, and WhatsApp. Write your bot logic once, deploy everywhere.
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Chat with AI large language models running natively in your browser. Enjoy private, server-free, seamless AI conversations.
WebLLM Chat is a private AI chat interface that combines WebLLM with a user-friendly design, leveraging WebGPU to run large language models (LLMs) natively in your browser. Enjoy an unprecedented, private, and accessible AI conversation experience.
Chawan is a TUI web (and (S)FTP, Gopher, Gemini, ...) browser with CSS, inline image and JavaScript support.
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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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The OWASP Cheat Sheet Series was created to provide a concise collection of high value information on specific application security topics. These cheat sheets were created by various application security professionals who have expertise in specific topics.
The OWASP Cheat Sheet Series was created to provide a concise collection of high value information on specific application security topics. These cheat sheets were created by various application security professionals who have expertise in specific topics.
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.
GreyNoise watches the internet's background radiation—the constant storm of scanners, bots, and probes hitting every IP address on Earth. We've cataloged billions of these interactions to answer one critical question: is this IP a real threat, or just internet noise? Security teams trust our data to cut through the chaos and focus on what actually matters.
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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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DMARC, SPF, DKIM, BIMI checker.
Instantly test your domain to verify your DMARC, SPF, DKIM, BIMI configurations The Merox solution helps you implement DMARC and many other DNS security protocols and standards.
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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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.
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.
Structured data is a way for search engine machines to make sense of content in your HTML. Google and other search engines created a structured data standard called schema.org. If you're like most web designers or SEOs, you might find schema.org a little difficult to grasp at first. That's why we created Schema Creator—to help you quickly build and get started with schema.org microdata.
SchemaSpy is a Java-based tool (requires Java 5 or higher) that analyzes the metadata of a schema in a database and generates a visual representation of it in a browser-displayable format. It lets you click through the hierarchy of database tables via child and parent table relationships as represented by both HTML links and entity-relationship diagrams. It's also designed to help resolve the obtuse errors that a database sometimes gives related to failures due to constraints.
Each entry has about 42 bits of randomness. Queries are not recorded. Randomness is probably as good as the random resource in the operating system.
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.
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.
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.
Hot Chocolate is an open-source GraphQL server for the Microsoft .NET platform that is compliant with the newest GraphQL October 2021 spec + Drafts, which makes Hot Chocolate compatible to all GraphQL compliant clients like Strawberry Shake, Relay, Apollo Client, and various other GraphQL clients and tools.
Hot Chocolate takes the complexity away from building a fully-fledged GraphQL server and lets you focus on delivering the next big thing.
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
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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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.
photos without a server.
Smriti indexes any drive, recognises faces on-device, and surfaces memories — without leaving your machine. No account, no cloud, no server humming in a closet.
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Yet another pastebin.
Chiyogami is a sleek, modern pastebin with encryption, customizable expiry, private pastes, user accounts and an API for developers. 🚀
Git Worktree TUI.
LazyWorktree lets you create, switch, and manage Git worktrees from a keyboard-driven TUI. It shows PR status, CI checks, and diffs alongside your worktree list.
View the source of this page for an example of how to implement a lightweight preview image for YouTube videos that is resilient to image load failures. There is no iframe on this page at load time. The iframe is only created when the user clicks the preview.
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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.
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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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.
Bash's powerful command line editing in cmd.exe
Clink combines the native Windows shell cmd.exe with the powerful command line editing features of the GNU Readline library, which provides rich completion, history, and line-editing capabilities. Readline is best known for its use in the Unix shell Bash, the standard shell for many Linux distributions.
Your AI Meeting Copilot (Early Preview)
Take the hassle out of meetings with Amurex, the ultimate Chrome extension that transforms how you manage and stay productive during meetings.
Amurex is your simple yet powerful AI meeting assistant that seamlessly integrates into your workflow. Built with cutting-edge AI, Amurex ensures you never miss a detail, always stay on top of action items, and make every meeting more productive.
Lacros is an architecture project to decouple the Chrome browser from the Chrome OS window manager and system UI. The name comes from Linux And ChRome OS.
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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chrony is a versatile implementation of the Network Time Protocol (NTP). It can synchronise the system clock with NTP servers, reference clocks (e.g. GPS receiver), and manual input using wristwatch and keyboard. It can also operate as an NTPv4 (RFC 5905) server and peer to provide a time service to other computers in the network.
Your ClickHouse, one workspace.
SQL editor, dashboards, pipelines, query analytics, cluster monitoring, governance, and an AI copilot — one single binary, on your infrastructure. Open source at its core. Pro is a license key, not a subscription to someone else's servers.
Discord AnalyticsMade Simple
Cially is an open-source Discord Server Stats dashboard that provides real-time insights, member activity tracking, and detailed server statistics to help you understand and optimize your Discord community.
🪼Cially is a powerful, open-source dashboard designed to provide in-depth insights, real-time analytics, and detailed statistics for your Discord server. Monitor member activity, track engagement trends, and make data-driven decisions with ease.
Think EDR, but for CI/CD Pipelines. Open-source eBPF-powered runtime security sensor for GitHub Actions and GitLab CI/CD.
AI agent rules / skills distilled from software engineering books. Inspired by Clean Code, Refactoring, DDD, Clean Architecture and DDIA programming books.
Markdown rule sets for coding agents. Use mini or full as focused skills when a task needs a book's decision pressure, and keep nano for tiny always-on context.
Linux Native, API-Aware Networking and Security for Containers. eBPF-based Networking, Observability, Security.
Cilium is a networking, observability, and security solution with an eBPF-based dataplane. It provides a simple flat Layer 3 network with the ability to span multiple clusters in either a native routing or overlay mode. It is L7-protocol aware and can enforce network policies on L3-L7 using an identity based security model that is decoupled from network addressing.
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An open-source RAG-based tool for chatting with your documents.
An open-source clean & customizable RAG UI for chatting with your documents. Built with both end users and developers in mind.
This simple tool helps save a lot of time when gathering information on social networks. Enter your search query once and click the buttons with the names of social media platforms, to quickly jump to pages to find posts that match your query. Quick hastags search @ GitHub.
This simple tool helps save a lot of time when gathering information about geolocation. Enter latitude and longitude (or choose location on map) once and click the buttons with the names of online maps, to quickly jump to it.
A scalable file analysis and data generation platform that allows users to easily orchestrate arbitrary docker/vm/shell tools at scale.
Thorium is a highly scalable, distributed malware analysis and data generation framework. Thorium is designed to make cyber incident response, triage, and file analysis easier through the safe ingestion and storage of data, automation of analyses and easy access to stored analyses and metadata. Because of the sensitivity and potential maliciousness of data handled within Thorium, uploaded files are placed into an encrypted/neutered format called CaRT. After initial file upload, all analysis is conducted in sandboxed environments where protective measures and sanitization steps can be easily applied.
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Enterprise governance for AI agents — scan, enforce, and audit every skill, MCP server, and plugin before it runs.
DefenseClaw is the enterprise governance layer for OpenClaw. It sits between your AI agents and the infrastructure they run on, enforcing a simple principle: nothing runs until it's scanned, and anything dangerous is blocked automatically.
Ephemeral GitHub Runners with Secure Multi-Tenant Isolation.
ForgeMT is a secure, scalable GitHub Actions runner platform for ephemeral workloads. Designed for multi-tenant environments, it automates isolated runner provisioning on Kubernetes or EC2, with built-in OIDC, IAM, cost optimization, and deep observability.
Lynis is an open source security auditing tool. Commonly used by system administrators, security professionals and auditors, to evaluate the security defenses of their Linux/Unix based systems. It runs on the host itself, so it performs more extensive security scans than vulnerability scanners.
Security auditing tool for Linux, macOS, and Unix-based systems.
Lynis is a battle-tested security tool for systems running Linux, macOS, or Unix-based operating system. It performs an extensive health scan of your systems to support system hardening and compliance testing. The project is open source software with the GPL license and available since 2007.