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AddCloud native secrets management for developers - never leave your command line for secrets.
Never leave your terminal to use secrets while developing, testing, and building your apps.
Instead of custom scripts, tokens in your .zshrc files, visible EXPORTs in your bash history, misplaced .env.production files and more around your workstation -- just use teller and connect it to any vault, key store, or cloud service you like (Teller support Hashicorp Vault, AWS Secrets Manager, Google Secret Manager, and many more).
Extensible platform for infrastructure management.
Shifting infrastructure management to a friendlier place. Clutch provides everything you need to improve your developers' experience and operational capabilities. It comes with several out-of-the-box features for managing cloud-native infrastructure, but is easily configured or extended to interact with whatever you run, wherever you run it.
Scale PostgreSQL horizontally. Postgres scales with PgDog. Horizontal scaling for PostgreSQL with automatic sharding.
PgDog is the missing routing layer for PostgreSQL. It moves data between nodes and directs query traffic, transparently to the application.
PgDog is a transaction pooler and logical replication manager that can shard PostgreSQL. Written in Rust, PgDog is fast, secure and can manage hundreds of databases and hundreds of thousands of connections.
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🛫 Zero-codegen, no-compile TypeScript type inference from protobuf messages.
protobuf-ts-types lets you define language-agnostic message types in proto format, then infers TypeScript types from them with no additional codegen.
React components & templates for building rich text editor UIs with Tiptap.
Tiptap UI Components is a library of modular, MIT-licensed React components, templates, and primitives that help you build rich text editor UIs faster, on top of the headless Tiptap framework.
Dev Toolkit Editor Suite. The headless rich text editor framework for web artisans.
Tiptap is the headless and open source editor framework. Integrate over 100+ extensions and paid features like collaboration and AI agents to create the UX you want.
The Tiptap Editor is a headless, framework-agnostic rich text editor that's customizable and extendable through extensions. Its headless nature means it comes without a set user interface, offering full design freedom (for a jumpstart, see linked UI templates below). Tiptap is based on the highly reliable ProseMirror library.
🎭 Stateful Serverless That Runs Anywhere. The easiest way to build stateful, AI agent, collaborative, or local-first applications. Deploy to Rivet, Cloudflare, Bun, Node.js, and more.
ActorCore is a framework for building stateful, scalable, realtime backend applications. Whether you’re building multiplayer games, collaborative apps, AI agent backends, or any stateful service, ActorCore provides the tools and patterns to simplify your architecture.
Principles for building reliable LLM applications.
What are the principles we can use to build LLM-powered software that is actually good enough to put in the hands of production customers?
Lightweight coding agent that runs in your terminal.
Codex CLI is built for developers who already live in the terminal and want ChatGPT‑level reasoning plus the power to actually run code, manipulate files, and iterate – all under version control. In short, it’s chat‑driven development that understands and executes your repo.
HTML-aware ERB parsing. Powerful and seamless HTML-aware ERB parsing and tooling.
Next-generation HTML+ERB parsing for smarter developer tooling and more. Herb is an HTML-aware Embedded Ruby parsing tool built on Prism, Ruby's official parser.
As per the NIS2 Directive, ENISA is mandated to develop and maintain the European vulnerability database.
Access to reliable and timely information about vulnerabilities affecting Information and Communication Technology (ICT) products and services contributes to an enhanced cybersecurity risk management. Sources of publicly available information about vulnerabilities are an important tool for users of these services, competent authorities, and the broader cybersecurity community. ENISA has established a European Vulnerability Database (EUVD) where entities, regardless of whether they fall within the scope of the NIS2 Directive, and their suppliers of network and information systems, as well as competent authorities, most notably CSIRTs, can voluntarily disclose and register publicly known vulnerabilities to allow users to take appropriate mitigating measures.
A Swiss Army knife for developers.
DevToys helps with daily development tasks by offering a bundle of tiny tools designed to do quick, specific tiny tasks. No need to use many untrustworthy websites to simply decode a text or compress an image. With Smart Detection, the app intuitively selects the best tool for the data on your clipboard.
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.
HTTP API for Claude Code, Goose, Aider, and Codex.
Control Claude Code, Goose, Aider, and Codex with an HTTP API.
Test and preview fonts.
Pick fonts for your website without breaking your head. Test fonts on live websites .
Pick fonts that demand Attention. Text makes up 80% of your UI, the rest are white spaces. The right font doesn't just display information—it shapes perception. Choose the perfect font, and turn casual visitors into loyal customers.
Bicep is a language for declaratively deploying Azure resources. You can use Bicep instead of JSON for developing your Azure Resource Manager templates (ARM templates).
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CLI tool to easily migrate Kubernetes persistent volumes.
pv-migrate is a CLI tool/kubectl plugin to easily migrate the contents of one Kubernetes PersistentVolumeClaim to another.
A terminal-based AWS cost and resource dashboard built with Python and the Rich library. It provides an overview of AWS spend by account, service-level breakdowns, budget tracking, and EC2 instance summaries.
🦜 Toutui is a TUI Audiobookshelf client for Linux and macOS.
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Stateless cluster local OCI registry mirror.
Speed up container pulls and minimize downtime with a stateless peer-to-peer OCI registry mirror for efficient image distribution.
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DNS server, in Erlang. Serve DNS authoritative responses... with Erlang.
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A 100-line minimalist LLM framework for Agents, Task Decomposition, RAG, etc.
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Exmeralda helps you ask questions about Elixir libraries and get accurate, version-specific answers. Powered by Retrieval-Augmented Generation (RAG), it combines the latest AI with real documentation to deliver helpful, grounded responses.
Bookmarking and snapshotting websites made easy.
Create self-contained snapshots for every bookmark you save. Access & share previously visited pages without worrying about modifications or availability.
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Awesome curated collection of GPT-4o images & prompts. Explore diverse AI-generated art styles (Ghibli, 3D, etc.) from OpenAI's latest model.
A comprehensive Tailwind CSS cheat sheet to instantly find all utility classes and their CSS properties in one place.
Your agentic CLI developer.
Sidekick is an agentic CLI-based AI tool inspired by Claude Code, Copilot, Windsurf and Cursor. It's meant to be an open source alternative to these tools, providing a similar experience but with the flexibility of using different LLM providers while keeping the agentic workflow.
Free and open source PaaS framework for building clouds.
Transform a set of bare metal servers into an intelligent system with a simple REST API for spawning Kubernetes clusters, Databases-as-a-Service, virtual machines, load balancers, HTTP caching services, and other services with ease.
open source cost monitoring for cloud native environments.
OpenCost is a vendor-neutral open source project for measuring and allocating cloud infrastructure and container costs in real time. Built by Kubernetes experts and supported by Kubernetes practitioners, OpenCost shines a light into the black box of Kubernetes spend.
OpenCost give teams visibility into current and historical Kubernetes and cloud spend and resource allocation. These models provide cost transparency in Kubernetes environments that support multiple applications, teams, departments, etc. It also provides visibility into the cloud costs across multiple providers.
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AMP is a web component framework to easily create user-first experiences for the web.
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Theme Editor & Generator. A visual no-code theme editor for shadcn/ui components.
tweakcn is a powerful Visual Theme Editor for tailwind CSS & shadcn/ui components. It comes with Beautiful theme presets to get started, while aiming to offer advanced customisation for each aspect of your UI
Containerized versions of hundreds of MCP servers 📡 🧠
While experimenting with Model Context Protocol (MCP) servers, we found that setting them up could be a bit tedious and time-consuming. To simplify the process, we created containerized versions of these servers—making it quick, easy, and secure for anyone to get started.
An embeddable, lightweight, secure, high-performance JavaScript engine.
Hako is a embeddable, lightweight, secure, high-performance JavaScript engine. It is a fork of PrimJS; Hako has full support for ES2019 and later ESNext features, and offers superior performance and a better development experience when compared to QuickJS.
Fully open-source command-line AI assistant inspired by OpenAI Codex, supporting local language models.
Open Codex is a fully open-source command-line AI assistant inspired by OpenAI Codex, supporting local language models like phi-4-mini.
Get an Edge in Editing.
Kate is a Feature-Packed Text Editor
Kate is packed with features that will make it easier for you to view and edit all your text files. Kate lets you to edit and view many files at the same time, both in tabs and split views, and comes with a wide variety of plugins, including an embedded terminal that lets you launch console commands directly from Kate, powerful search and replace plugins, and a preview plugin that can show you what your MD, HTML and even SVG will look like.
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Tailwind CSS grid generator is a tool that helps developers create custom Tailwind grid layouts more easily. The generator allows users to specify the number of columns, rows, the gutter size, the DIV width (span).
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MCP server for interacting with Neon Management API and databases.
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Open-Source MCP servers
Production-ready and experimental MCP servers that extend AI capabilities through file access, database connections, API integrations, and other contextual services.
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Build the 2D and 3D Web Without Coding. Your visual workspace for React / Three Fiber.
Triplex is your visual workspace for building React / Three Fiber components. Build 2D and 3D components without coding using its visual and input controls. Jump down to code when you need to.
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AI Autonomous Coding Agent for VS Code.
Autonomous coding agent right in your IDE, capable of creating/editing files, executing commands, using the browser, and more with your permission every step of the way.
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The CVE Foundation has been formally established to ensure the long-term viability, stability, and independence of the Common Vulnerabilities and Exposures (CVE) Program, a critical pillar of the global cybersecurity infrastructure for 25 years.
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C, Just in Time!
CJIT is a lightweight C interpreter that lets you run C code instantly, without needing to build it first. Just use the executable interpreter: no extra tools, libs, or headers required. Based on Fabrice Bellard's TinyCC and inspired by Terry Davis (HolyC), CJIT brings the power of Just-In-Time execution to C programming.
Build better APIs faster. Open source API management platform.
Redefined API management for developers. Quickly add API keys, rate limiting, and usage analytics to your API at any scale.
macOS clipboard manager.
Clipboard manager for macOS which does one job - keep your copy history at hand. Period.
Lightweight. Open source. No fluff.
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Hyperwood is an open-source system for crafting furniture from simple wooden slats. In the spirit of E.F. Schumacher's Small is Beautiful and inspired by Enzo Mari’s Autoprogettazione, Hyperwood empowers anyone — DIY enthusiasts, designers, interior architects, and small manufacturers — to build beautiful, robust furniture using minimal tools and locally sourced materials.
fast, remote-first, multi-host TUI log viewer with timeline histogram and no central server.
Nerdlog is a fast, remote-first, multi-host TUI log viewer with timeline histogram and no central server. Loosely inspired by Graylog/Kibana, but without the bloat. Pretty much no setup needed, either.
It's laser-focused on being efficient while querying logs from multiple remote machines simultaneously, filtering them by time range and patterns, while also drawing a timeline histogram for quick visual insight:
Hello, and welcome to CSS Hell, where you will be subjected to 15 unimaginably torturous CSS puzzles. "What did I do to deserve this?", you ask. But you know perfectly well: you blashpemized Cascading Style Sheets. I saw that time your friends were complaining about CSS and you piled on with "CSS isn't even a real programming language"
AI-powered multi-agent builder. Let AI build multi-agent systems for you Build with Agents SDK. Connect MCP tools. Open-source.
Rust based package manager for macOS.
Sapphire is a next‑generation, Rust‑powered package manager inspired by Homebrew. It installs and manages:
- Formulae: command‑line tools, libraries, and languages
- Casks: desktop applications and related artifacts on macOS
ARM only for now, might add x86 support eventually.
A Doom-like game using DuckDB.
A 3D first-person shooter game implemented entirely in SQL using DuckDB-WASM.
Self-hosted, local only NVR and AI Computer Vision software. With features such as object detection, motion detection, face recognition and more, it gives you the power to keep an eye on your home, office or any other place you want to monitor.
A web app for managing monthly budgets and net worth.
Cap is a lightweight, modern open-source CAPTCHA alternative designed using SHA-256 proof-of-work.
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.