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AddScalable PaaS (automated Docker+nginx) - aka Heroku on Steroids. Scalable, Free and Self-hosted PaaS!.
CapRover is an extremely easy to use app/database deployment & web server manager for your NodeJS, Python, PHP, ASP.NET, Ruby, MySQL, MongoDB, Postgres, WordPress (and etc...) applications!
Effortless, instant screen sharing.
Cap is the open source alternative to Loom. Lightweight, powerful, and stunning. Record and share in seconds. It's a video messaging tool that allows you to record, edit and share videos in seconds.
A multi-shell completion library and binary.
Carapace-bin provides argument completion for multiple CLI commands , and works across multiple POSIX and non-POSIX shells.
Caravaggio is a fast image proxy written in node.js.
Carbon is an open-source design system built by IBM. With the IBM Design Language as its foundation, the system consists of working code, design tools and resources, human interface guidelines, and a vibrant community of contributors.
An open source business card designer and sharing platform.
Design a unlimited number of business or information cards about yourself, share a link or QR code to them, print it out, and save other people's cards to your virtual wallet for later. Once you've created a card you can get analytics data on how your cards are getting visited, you can edit your cards as things change, and you can keep cards private so only people with a link to your card can see it.
Self-hosted media streaming, modernized. Cardinal Media Server is a suite of powerful self-hosted media streaming apps for your music, photos, movies, and TV.
Build 3D games in Ruby.
With Ruby, the most human-friendly language. RedGem is a game engine with its own editor. Build your levels, write the gameplay in Ruby, press Play, ship it for Linux, Windows and Android.
A React component for editing or viewing JSON/object data
Open Source Infrastructure Mapping Tool.
Cartography is a Python tool that consolidates infrastructure assets and the relationships between them in an intuitive graph view powered by a Neo4j database.
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A simple, easy-to-use, elegant open-source personal cloud system. Community-based open source software focused on delivering simple personal cloud experience around Docker ecosystem.
A simple, easy-to-use, elegant open-source personal cloud system.
Community-based open source software focused on delivering simple personal cloud experience around Docker ecosystem.
An authorization library that supports access control models like ACL, RBAC, ABAC for Golang, Java, C/C++, Node.js, Javascript, PHP, Laravel, Python, .NET (C#), Delphi, Rust, Ruby, Swift (Objective-C), Lua (OpenResty), Dart (Flutter) and Elixir.
A cascading dropdown menu component for selecting hierarchical data like locations, categories, or organizational structures.
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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Your Free & Open-source Podcast Host.
Castopod is a free and open-source podcast hosting solution made for podcasters who want engage and interact with their audience.
The DX oriented task runner in PHP. Castor is a DX oriented task runner built in PHP featuring a range of functions for common task processing.
It can be viewed as an alternative to Makefile, Fabric, Invoke, Shell scripts, etc., but it leverages PHP's scripting capabilities and its extensive library ecosystem.
An open-source security log auditing & RDP, VNC, SSH and databases management bastion platform.
Kapowarr is a software to build and manage a comic book library, fitting in the *arr suite of software.
Kapowarr allows you to build a digital library of comics. You can add volumes, map them to a folder and start managing! Download issues of the volume (or TPB's), rename them and move them. The whole process is automated and can be customised in the settings.
Cataclysm: Dark Days Ahead is a turn-based survival game set in a post-apocalyptic world. Struggle to survive in a harsh, persistent, procedurally generated world. Scavenge the remnants of a dead civilization for food, equipment, or, if you are lucky, a vehicle with a full tank of gas to get you the hell out of Dodge. Fight to defeat or escape from a wide variety of powerful monstrosities, from zombies to giant insects to killer robots and things far stranger and deadlier, and against the others like yourself, that want what you have…
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Law to Code. Programming language for literate programming law specification.
A domain-specific language designed by researchers in Computer Science and Law, for precisely deriving algorithms producing automated legal decisions.
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- Atelier BlueHats de présentation du langage Catala @ Dinum's PeerTube :fr:.
- [La Cnaf et Inria s’engagent ensemble pour développer Catala, une solution souveraine de calcul des prestations sociales @ caf.fr :fr:](La Cnaf et Inria s’engagent ensemble pour développer Catala, une solution souveraine de calcul des prestations sociales).
Build services that earn trust.
IF curates this catalogue to help teams design trustworthy services that work for people. Contact IF for workshops about how to use these patterns.
Ship Faster With Catalyst. Next.js Starter Kit.
A modern, full-stack Next.js starter kit with authentication, payments, database, and everything you need to build your next project.
Canvas Terminal Editor.
An infinite zoomable canvas for coding — editor, terminal, and browser panels in a spatial workspace.
Cate is a desktop IDE built on an infinite canvas. Instead of stacking windows and tabs, you spread editors, terminals, browsers, documents, and AI agents across freeform space and arrange them however you think about the project. Float panels on the canvas, dock them into tabs and splits, or detach them into their own OS windows. Cate restores everything when you reopen the folder.
Caterpillar is a security scanning library for AI agent skill files (e.g., Claude Code skills) for dangerous or malicious behavior.
Security scanner for AI agent skills. Scans for malicious patterns before you install.
Editorial diagrams your designer won't hate.
29 editorial diagram types for Claude Code. Self-contained HTML + SVG. No shadows, no Mermaid-slop.
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Soothing pastel theme for the high-spirited! A community-driven color scheme meant for coding, designing, and much more!
Catppuccin is a community-driven pastel theme that aims to be the middle ground between low and high contrast themes. It consists of 4 soothing warm flavors with 26 eye-candy colors each, perfect for coding, designing, and much more!
le bloqueur d'appels indésirables pour iPhone et Android.
Saracroche est une application open source iOS et Android qui bloque les appels indésirables. Elle utilise la fonctionnalité native de blocage d'appels pour empêcher les appels provenant de numéros gênants, comme ceux utilisés pour le démarchage commercial ou les arnaques.
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What actually happens when you type a message into Claude Code? The agent loop, 50+ tools, multi-agent orchestration, and unreleased features, mapped straight from the source.
Open-Source CDK for Terraform & OpenTofu. Define infrastructure resources using programming constructs and provision them using OpenTofu/Terraform.
CDK Terrain is a community-driven fork of CDKTF. Write infrastructure in TypeScript, Python, Java, and more. Works with both Terraform and OpenTofu. Made by developers, for developers.
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Agents are AI systems that can perform workflows on users' behalf with a high degree of independence. This guide, designed for product and engineering teams, explores how to build agents with frameworks for identifying promise use cases, clear patterns for designing agent logic and orchestration, and best practices to ensure agents run safely, predictably, and effectively. It provides the foundational knowledge needed to confidently start building agents. Building reliable agents means starting with strong foundations - start small, validate with real users, and grow capabilities over time.
Your content driven static site generator.
Cecil is a CLI application that merges plain text files (written in Markdown), images and Twig templates to generate a static website.
Production-Ready Full-Stack Framework.
CedarJS is a stable, opinionated full-stack framework that integrates React, GraphQL, and Prisma into a cohesive system. Don't waste weeks on boilerplate—use the foundation trusted for production-grade applications.
Common Expression Language. Fast, safe expression language
Common Expression Language (CEL) is an expression language that’s fast, portable, and safe to execute in performance-critical applications. CEL is designed to be embedded in an application, with application-specific extensions, and is ideal for extending declarative configurations that your applications might already use.
Use CEL for things like list filters for API calls, validation constraints on protocol buffers, and authorization rules for API requests.
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self-hosted, distributed Durable Objects.
celld is a stateful distributed system. It runs server-side JavaScript on your machines and keeps all shared data in an S3-compatible bucket that you own. The JavaScript API is the same API that Cloudflare Workers and Durable Objects supply.
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Ceph is a distributed object, block, and file storage platform.
Reliable and scalable storage designed for any organization. Use Ceph to transform your storage infrastructure. Ceph provides a unified storage service with object, block, and file interfaces from a single cluster built from commodity hardware components.
The Open Source Test Automation Platform. Accelerate with Test Automation. Cerberus Testing is the scalable test automation platform for teams searching to accelerate software delivery with confidence.
Cerebras Inference The world’s fastest inference -70x faster than GPU clouds,128K context, 16-bit precision.
Cerebras Inference Llama 3.3 70B runs at 2,200 tokens/s and Llama 3.1 405B at 969 tokens/s – over 70x faster than GPU clouds. Get instant responses to code-gen, summarization, and agentic tasks.
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Working together to detect maliciously or mistakenly issued certificates.
An ecosystem that makes the issuance of website certificates transparent and verifiable.
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Cloud native certificate management. X.509 certificate management for Kubernetes and OpenShift.
cert-manager creates TLS certificates for workloads in your Kubernetes or OpenShift cluster and renews the certificates before they expire.
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SSL/TLS Security Tools. Free tools for SSL/TLS transparency, configuration analysis, and security monitoring.
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Exploration into public Certificate Transparency Logs.
Real-time Certificate Transparency log explorer. Watch newly issued TLS certificates appear as they're published to public CT logs. CertTrack monitors Certificate Transparency logs in real-time, showing you newly issued TLS certificates as they appear. You can watch the stream of certificates, filter by domain, and explore the details of each certificate.
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An open-source JavaScript library for world-class 3D globes and maps 🌎
CesiumJS is an open source JavaScript library for creating world-class 3D globes and maps with the best possible performance, precision, visual quality, and ease of use. Developers across industries, from aerospace to smart cities to drones, use CesiumJS to create interactive web apps for sharing dynamic geospatial data.
A node-based image processing and AI upscaling GUI that makes it easy to chain together complex processing tasks. A flowchart/node-based image processing GUI aimed at making chaining image processing tasks (especially upscaling done by neural networks) easy, intuitive, and customizable. No existing upscaling GUI gives you the level of customization of your image processing workflow that chaiNNer does. Not only do you have full control over your processing pipeline, you can do incredibly complex tasks just by connecting a few nodes together.
Create accessible React apps with speed. A simple, modular and accessible component library that gives you the building blocks you need to build your React applications.
Chakra UI is a simple, modular and accessible component library that gives you the building blocks you need to build your React applications.
Chakra UI is a comprehensive library of accessible, reusable, and composable React components that streamlines the development of modern web applications and websites. The library offers a diverse range of components that can be easily combined to build complex user interfaces while adhering to accessibility best practices.
Chamilo is still one of the (if not the) easiest e-learning platform to use, making it easier for educators all around the world to digitalize and formalize their course content, and easier for all to get access to accessible education, improving the world's social and economic growth.
Votre banque a un impact sur le climat.
Le secteur financier dominant est aujourd’hui en grande partie responsable de l’aggravation du dérèglement climatique, en finançant massivement le développement d’activités polluantes. A rebours des recommandations des scientifiques du GIEC (le Groupe d’experts intergouvernemental sur l’évolution du climat), des Nations Unies et de l’Agence internationale de l’énergie, les plus grandes banques françaises continuent de financer de nouveaux projets d’énergies fossiles et ont versé plus de 400 milliards de dollars en soutien au charbon, au pétrole et au gaz depuis que l’Accord de Paris sur le climat a été adopté.
Source: Dix idées pour le climat : inverser la logique des banques (2/10) @ Chaleur Humaine :fr:.
Website change detection, monitoring, alerts, notifications, restock alerts.
Page change monitoring with alerts a breeze. The best way to monitor website changes. Loved by smart-shoppers, bargain-hunters, data-journalists and more. Now with intelligent product restock detection!
The best and simplest free open source web page change detection, website watcher, restock monitor and notification service. Restock Monitor, change detection. Designed for simplicity - Simply monitor which websites had a text change for free. Free Open source web page change detection, Website defacement monitoring, Price change notification
The chaos engineering toolkit for developers.
The Chaos Toolkit, or as we love to call it “ctk”, is a simple CLI-driven tool who helps you write and run Chaos Engineering experiment. It supports any target platform you can think of through existing extensions or the ones you write as you need.
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A visual explorer for Unicode. Browse the character set, discover related glyphs, and learn more about the scripts, symbols, and shapes that make up the standard.
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Client reports for your team and clients.
Open-source web platform used to create live reporting dashboards from APIs, MongoDB, Firestore, MySQL, PostgreSQL, and more 📈📊
Database schema diagrams visualizer. Open-source database diagrams editor.
Free and open-source database diagrams editor, visualize and design your DB with a single query.
ChartDB is a powerful, web-based database diagramming editor. Instantly visualize your database schema with a single "Smart Query." Customize diagrams, export SQL scripts, and access all features—no account required. Experience seamless database design here.
Beautiful, open source, WebGPU-based charting library.
ChartGPU is a TypeScript charting library built on WebGPU for smooth, interactive rendering—especially when you have lots of data.
Charts.css is an open source CSS framework for data visualization.
Visualization help end-users understand data. Charts.css help frontend developers turn data into beautiful charts and graphs using simple CSS classes.
AI Text2SQL Tool for Easy Database Management.
🔥🔥🔥 AI-driven database tool and SQL client, The hottest GUI client, supporting MySQL, Oracle, PostgreSQL, DB2, SQL Server, DB2, SQLite, H2, ClickHouse, and more.
Generate interactive, beautiful and insightful chat analysis reports.
A web app that takes chat exports from supported platforms and generates a single HTML file containing information, statistics and interactive graphs about them. Privacy is its main concern; chat data never leaves the device when generating reports.
Open source chatbot that can be personalized using a markdown file.