30 open-source projects similar to google/skywater-pdk, ranked by shared indexed features. Tags may describe platforms or build tools rather than the same primary purpose. Check each project’s use case, license, and deployment requirements before treating it as a replacement.
This project provides educational resources and step-by-step guides for designing electronic schematics and preparing keyboard printed circuit boards for manufacturing. It serves as a manual for mechanical keyboard hardware, focusing on mapping electrical connections and routing traces for custom circuit boards. The documentation specifically guides users through the KiCad electronic design automation suite to translate initial schematics into final hardware layouts. It covers the complete workflow for custom keyboard design, from circuit engineering to the generation of professional fabricat
DocSearch is an integrated toolset for adding search capabilities to documentation websites. It provides a JavaScript and React search interface for embedding autocomplete search bars, a dedicated web crawler to extract and synchronize site content into a searchable index, and a monitoring system to track user queries and interaction events. The project distinguishes itself by incorporating a conversational AI assistant powered by retrieval-augmented generation. This assistant grounds a large language model in a specific documentation index to provide factual answers, with configurable system
BookStack is a self-hosted knowledge base platform designed for organizing, storing, and managing structured documentation. It utilizes a hierarchical content model that arranges information into nested trees of books, chapters, and pages, supported by a dedicated search index for rapid retrieval across the entire knowledge base. The platform distinguishes itself through deep integration with enterprise identity providers, allowing organizations to centralize authentication and access control via LDAP, SAML, or OIDC. It provides extensive administrative control over the content lifecycle, inc
Just the Docs is a Jekyll theme designed for building documentation sites that are hosted on GitHub Pages. It provides a responsive, mobile-friendly layout with built-in search, hierarchical navigation, and extensive customization through overridable SCSS variables, Liquid includes, and page layouts. The theme distinguishes itself through a file-based navigation hierarchy that automatically generates multi-level collapsible menus from directory structures and front matter, combined with client-side full-text search that indexes page content at build time. It includes automated deployment via
Dash-iOS is a mobile documentation reader and technical reference library designed for Apple devices. It functions as an offline browser that allows users to store, view, and search technical reference materials locally on their device. The application provides a local-first approach to documentation storage, enabling users to access API guides and technical manuals without an active internet connection. It utilizes a local search index and metadata management to facilitate rapid lookups and navigation across stored documentation sets.
Nextra is a documentation framework for Next.js that functions as an MDX static site generator. It enables the creation of structured technical documentation sites by transforming MDX files into themed static pages with built-in layout and navigation. It serves as a React-based documentation tool that allows the integration of custom React components directly into markdown content. The framework distinguishes itself through integrated full-text search and a localization system that manages multilingual content via language routing and translation selectors. It also includes an AI-powered chat
Algorithmica is an open-access knowledge base and computer science textbook designed for the publication of structured instructional materials. It functions as an educational content management system and a collaborative documentation site for hosting technical knowledge and course drafts for public consumption. The platform enables collaborative technical writing and authoring through version control and web editors, utilizing an automated pipeline to generate previews of pending changes. The system manages large collections of learning materials using static site generation, markdown-drive
All Contributors is an open source tool that automates the recognition of every person who contributes to a project, not just those who write code. It uses a GitHub bot to parse issue comments and automatically update a project's README with a formatted markdown table listing contributors and their emoji-coded contributions. The project standardizes contribution categories by mapping specific emoji symbols to distinct contribution types, enabling consistent visual recognition of diverse roles such as design, documentation, and community support. It integrates with the GitHub API to fetch cont
PandaWiki is an AI-powered wiki and knowledge base platform that integrates large language models to automate content creation and information retrieval. It functions as a retrieval-augmented generation system for building technical wikis, FAQs, and documentation sites that provide automated answers grounded in a private knowledge base. The system acts as an enterprise knowledge bot, allowing the deployment of AI chatbots via web widgets and messaging applications like Discord. It further extends its operational capabilities by integrating with Model Context Protocol servers to connect the AI
Vimwiki is a personal wiki plugin and text editor extension for Vim that organizes interconnected text files. It functions as a Markdown knowledge base and a Zettelkasten note system, allowing for the creation of a networked system of notes and documentation. The project provides tools for wiki administration, enabling users to create, rename, and navigate between linked documents via internal linking. It supports various markup formats, including Markdown and MediaWiki, and can transform this content into HTML for web publishing. The system covers personal knowledge management through globa
mdBook is a documentation build system and static site generator designed to compile collections of Markdown files into structured, navigable web-based books. It provides a comprehensive framework for managing technical documentation, featuring a hierarchical table of contents, integrated full-text search, and automated build processes that transform source content into ready-to-deploy HTML websites. The project distinguishes itself through a highly modular pipeline architecture that supports custom preprocessors and swappable rendering backends. This allows authors to intercept and modify co
Webmin is a web-based administration interface for Unix systems. It provides a centralized console for managing the full range of server administration tasks — users and groups, software packages, storage, network configuration, system services, and security — all through a browser. Its modular architecture allows separate modules to handle databases (MySQL, MariaDB, PostgreSQL), web servers (Apache), DNS (BIND), email (Sendmail, Dovecot), file sharing (Samba, NFS), and more, with a unified access control system that restricts what each administrator can see and do. What sets Webmin apart is
EmDash is an open-source content management system built on Astro that combines a visual admin panel with a plugin-driven architecture and server-side rendering. It provides a complete content management system with structured content modeling, a rich text editor using Portable Text format, and a TypeScript API for type-safe content queries. The system supports authentication through passkeys, OAuth 2.1, and external providers, with role-based access control and fine-grained permission scopes. What distinguishes EmDash is its plugin development framework, which supports both native plugins ru
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This project is a comprehensive documentation framework and theme designed for building static websites. It functions as a modular system that transforms Markdown files into performant, interactive web content, providing a structured environment for technical documentation, project blogs, and information hubs. The framework distinguishes itself through deep extensibility and content-rich features that go beyond standard static site generation. It includes built-in support for complex technical requirements such as diagram and mathematical formula rendering, interactive code playgrounds, and m
This repository is a curated study guide and knowledge base designed to assist developers in preparing for software engineering job interviews within the Android ecosystem. It organizes essential programming topics, language-specific features, and mobile architecture patterns into a structured format for professional review and skill assessment. The collection covers a broad range of technical domains, including system design principles, performance optimization, and core development concepts. By categorizing these topics, the resource provides a systematic way for users to practice and impro
dbt-core is a command-line framework for transforming data within a warehouse using modular SQL and version control. It functions as a data transformation engine that enables users to define data structures and business logic through declarative configuration files, which the system then compiles into executable code. By managing complex data dependencies through a directed acyclic graph, it ensures that transformation tasks execute in the correct order while maintaining a manifest-driven state to track lineage and execution history. The project distinguishes itself through an adapter-based d
Proxyman is a cross-platform HTTP debugging proxy that captures, inspects, and modifies HTTP, HTTPS, and WebSocket traffic. It functions as a man-in-the-middle proxy, decrypting SSL/TLS traffic to allow real-time inspection and modification of encrypted requests and responses. The tool is designed for debugging web and mobile applications, with capabilities for API mocking and simulation, scriptable traffic modification, and team collaboration on network logs. What distinguishes Proxyman is its deep integration with mobile and cross-platform development workflows. It provides automated certif
GitHub Copilot is an AI-powered development platform designed to integrate large language models directly into coding environments. It functions as an interactive assistant and an agentic workflow orchestrator, enabling developers to automate code generation, perform automated code reviews, and execute complex, multi-step development tasks through natural language prompts. The platform distinguishes itself through its autonomous agent capabilities, which allow for repository-level research, implementation planning, and code modifications across multiple files. It supports a modular architectu
python-for-android is a toolchain that compiles Python applications and their dependencies into installable Android APK or AAB packages. It bundles a Python interpreter and standard library into an Android package, enabling Python code to run natively on mobile devices. The project provides a recipe-based build engine that automates dependency resolution, version pinning, and custom compilation steps for Android targets. The system cross-compiles Python and native C-extension libraries for multiple Android CPU architectures, producing separate native binaries for each target and packaging the
This project is a framework for developing multimodal AI agents that function as programmable participants in real-time communication rooms. It enables the construction of agents that can see, hear, and speak by integrating speech-to-text, large language models, and text-to-speech pipelines to facilitate low-latency, natural conversations. The system is distinguished by its advanced orchestration of real-time media and conversational flow, including support for full-duplex speech, preemptive response generation, and sophisticated interruption management. It further differentiates itself throu
MuseScore is a professional music notation application designed for composing, arranging, and engraving musical scores. It provides a graphical interface that renders notation in real-time, allowing users to create and edit complex musical arrangements with immediate visual feedback. The software distinguishes itself through a robust document-object model that manages the relationships between notes, staves, and layout formatting. It supports the standard markup language for music interchange, ensuring that scores can be shared across different notation platforms. Additionally, the applicatio
Apache Tomcat is an open-source implementation of the Jakarta Servlet, Pages, Expression Language, and WebSocket specifications, serving as a container for running Java web applications. It provides a modular architecture with a servlet container, connector abstraction for multiple I/O models, and a pipeline-based request processing system that handles cross-cutting concerns through composable components. The server supports container-managed security with configurable realms for authentication against JDBC, LDAP, or memory-based credential stores, and offers TLS encryption with optional Open
Inngest is a durable execution framework and event-driven automation engine designed to orchestrate background workflows. It enables developers to build resilient, stateful processes by memoizing function steps, ensuring that long-running tasks can automatically resume from the last successful operation after failures, timeouts, or infrastructure restarts. The platform distinguishes itself through its event-driven architecture, which uses a schema-validated bus to trigger functions and coordinate complex, multi-step logic. It employs an onion-model middleware approach for cross-cutting concer
This project is a client-side routing solution and URL manager designed for single-page applications hosted on static platforms, specifically GitHub Pages. It enables these applications to handle deep links and maintain functional routing on hosts that do not support server-side redirects. The system intercepts server-side 404 errors and redirects them to a main entry point, using query strings and hash fragments to preserve the application state and restore the original intended path. It also includes utilities for generating specialized, redirect-compatible links for sitemaps to ensure sear
ZoneMinder is a free, open source Closed-circuit television software application developed for Linux which supports IP, USB and Analog cameras.
apollo-ios is a GraphQL client library for iOS and Apple platforms that enables type-safe network communication. It transforms GraphQL operations into generated Swift models, ensuring that network responses are validated at compile time to eliminate manual mapping. The library features a normalized cache manager that stores entities in a flat structure to maintain data consistency across different application views. It also optimizes network performance using hash-based persisted queries to reduce payload sizes and supports real-time data streaming via WebSockets or HTTP subscriptions. The p
Generator-hottowel is a command-line utility designed to initialize web applications using standardized boilerplate, pre-configured build workflows, and integrated development environment settings. It functions primarily as a scaffolding tool that generates structured Angular projects, ensuring consistent architectural patterns and module organization from the start of the development lifecycle. The project distinguishes itself by providing a comprehensive suite of automation scripts that manage the entire frontend development workflow. This includes automated dependency asset injection, task
Waku is a minimal React framework built around React Server Components. It renders components exclusively on the server for data fetching and server-side logic, then hydrates client components in the browser for interactivity. The framework supports hybrid rendering, mixing static prerendering at build time with dynamic per-request rendering within a single application, and allows independently loading slice components that can be static or dynamic. The framework distinguishes itself through its file-based routing system that defines pages, layouts, and API endpoints by placing files in a dir
Webstudio is a visual CMS and website builder that provides a visual development environment for designing and publishing websites. It functions as an AI-powered design tool, a REST and GraphQL API client, and an atomic CSS compiler. The platform distinguishes itself through generative AI capabilities for creating layout variants and refining visual styles from text prompts. It integrates a headless CMS workflow that maps external data sources to visual components and utilizes a specialized compiler to convert design tokens into deduplicated atomic CSS for optimized page load speeds. The sys