Open-source alternatives to Reader3

Foliate is an EPUB e-book reader and multi-format document viewer designed for reading and managing digital books. It functions as a digital library manager that indexes local files and tracks reading progress across a personal collection. The application supports complex layout handling, including right-to-left text and vertical writing with automatic hyphenation. It provides a text-to-speech interface that converts document content into spoken audio using a system speech dispatcher. The tool includes capabilities for digital text annotation, allowing users to create highlights and notes. I

openai-go is an LLM SDK for Go and a client for interacting with OpenAI services. It provides type-safe bindings to generate text, images, and audio via REST endpoints, enabling the integration of large language models and AI assistant orchestration into Go applications. The library serves as an agent orchestration tool for managing stateful conversation threads and autonomous agents with integrated tool calling and file search. It also functions as an asynchronous batch processing client for monitoring large-scale request groups and fine-tuning jobs, alongside a management SDK for controllin

iBook is a self-hosted e-book library management system that allows individuals or organizations to set up and maintain their own digital collection. The platform provides durable storage for e-book files and their associated metadata, a RESTful API for library operations, static file serving for direct browser downloads, and a self-contained deployment model that runs on a user's own server. Beyond the core library functionality, iBook includes a freely accessible digital archive of technical and general e-books in EPUB and PDF formats, role-based access control for catalog and administrativ

This project is a digital book directory and academic literature library. It serves as a curated collection of multidisciplinary texts and research materials organized by subject and publication year. The system uses a subject-based content catalog to arrange electronic books into specific domains. It employs visual markers and symbol-based encoding to distinguish between free and paid content. The directory provides capabilities for technical literature discovery and academic reading list management. Users can browse materials by subject and filter titles by recency using publication dates.

This project is a technical text renderer designed to display complex mathematical notation and syntax-highlighted code within digital document formats. It functions as a MathML technical renderer and a system for producing static site generated documentation. The project creates digital textbooks available as both HTML5 digital books and standardized EPUB3 eBooks. It transforms source materials into pre-rendered HTML and EPUB files, ensuring the content is compatible with modern web browsers and electronic book readers. The rendering surface utilizes a responsive layout with viewport adapta

epub.js is a JavaScript library for parsing and displaying EPUB files within a web browser. It functions as a digital publication layout engine and rendering library that enables the creation of browser-based eBook readers with support for both paginated spreads and continuous scrolling. The project provides a specialized framework for interactive eBook annotation and precise location tracking. It uses Content Fragment Identifiers to represent text positions as unique strings, allowing for stable bookmarking, text highlighting, and note-taking. The library covers a broad range of capabilitie

BookReader is a mobile e-book reader application designed for reading digital novels in EPUB, PDF, and TXT formats. It functions as a digital library manager for organizing, indexing, and searching collections of electronic books using titles and tags. The application features a reading interface with three-dimensional page-flip animations to simulate the feel of physical books. It also includes a wireless synchronization system for transferring digital book files between devices over a local network. The software provides tools for customizing the reading experience, including adjustable th

This application is a local management system designed for organizing, tagging, and reading digital comic and manga collections. It functions as a centralized utility that indexes local archives and folders into a searchable library, allowing users to maintain their digital assets through structured metadata storage and database backup capabilities. The software distinguishes itself by integrating remote metadata synchronization, which fetches and maps detailed information from online sources to keep local entries accurately labeled. It features advanced discovery tools that support complex q

Readest is a cross-platform digital book reader and library management system designed to render multi-format ebook files across different devices. It provides a consistent interface for viewing digital content while coordinating reading progress, bookmarks, and notes through synchronization services. The application includes specialized tools for technical and academic reading, such as code syntax highlighting, a virtual split-screen viewport for comparing documents, and full-text search for rapid information retrieval. It further extends the reading experience with integrated dictionary loo

Reader is a Win32 text reader and EPUB document viewer for Windows. It functions as an auto-scrolling text viewer and a web novel downloader that renders digital books and plain text using various character encodings. The application includes a text-based content filter to remove advertisements and irrelevant text from web sources using regular expressions. It provides hands-free reading capabilities through automated page-turning and scrolling modes governed by custom time intervals. The software manages digital book organization through reading progress tracking, bookmark management, and t

Openwork is an LLM agent orchestration platform and cross-platform desktop application designed for building and running automated workflows. It serves as a local AI agent host and session manager, allowing users to connect local project folders to various large language models and remote cloud workers. The project distinguishes itself through a local-first execution model that enables agents to process files directly on a host machine. It implements human-in-the-loop permissioning to intercept agent resource requests, requiring explicit user approval before accessing specific local system fi

This project is a LangChain-based framework for building retrieval-augmented generation systems, autonomous agents, and multimodal chatbots. It functions as an open-source orchestrator that connects local inference engines and online APIs to manage various large language model deployments. The system distinguishes itself by providing specialized interfaces for local knowledge bases, allowing the loading and vectorization of private documents to create context-aware assistants. It also supports multimodal capabilities, enabling the processing of both text and image inputs through vision-capabl

ipex-llm is an acceleration library and inference engine designed to optimize the execution and finetuning of large language models on Intel GPUs and NPUs. It provides a HuggingFace compatible model backend and a dedicated quantization toolkit for converting model weights into low-bit precision formats. The project facilitates distributed inference by splitting large model workloads across multiple accelerators using pipeline and tensor parallelism. It enables the deployment of models on Intel Arc, Flex, and Max GPUs to increase throughput and reduce latency. The library covers a broad range

Pipecat is a framework and software development kit for building real-time multimodal AI agents and speech-to-speech systems. It utilizes a frame-based data pipeline to route audio, video, and text through a modular sequence of processors, enabling the orchestration of low-latency conversational AI. The project is distinguished by its ability to coordinate complex multimodal services, including speech-to-text, language models, and text-to-speech, within a single pipeline. It features semantic voice activity detection for natural turn-taking, state-machine conversation flows for dialogue manag

Mindcraft is a framework for connecting large language models to game clients to create autonomous characters that communicate and perform actions within a simulated environment. It functions as an orchestrator for bots, utilizing a system that bridges high-level AI instructions with low-level game protocol packets to enable the execution of in-game tasks. The system uses retrieval-augmented generation to select relevant conversation history and code examples via embedding-based context retrieval. It supports the development of specific AI personas through profile configurations and facilitat

This project is a PHP API client and SDK for integrating OpenAI services into PHP applications. It serves as an integration library and wrapper for interacting with large language models to generate text, images, and audio via REST API calls. The library provides specialized orchestration for AI assistants, managing conversation threads and vector stores. It also includes tools for custom model fine-tuning, semantic search implementation through text embeddings, and audio processing for transcription and synthesis. The capability surface covers content moderation, file management, and the ha

This project is a desktop automation scripting framework and shell script command runner. It allows users to execute custom scripts and workflows from a central launcher to automate repetitive desktop tasks and system operations. The framework functions as a unified command interface and a JSON input automation bridge, serializing search queries into arguments passed to the execution environment. It integrates large language model prompts directly into the desktop interface to automate content generation and answer questions. The system handles a broad range of capabilities including the exe

anx-reader is a cross-platform e-book reader and cloud-synced library manager. It renders various electronic book formats into a standardized HTML view with customizable themes and fonts for a consistent experience across different operating systems. The project integrates a large language model as a reading assistant to summarize text and answer questions about book content. It also functions as a digital annotation tool for creating color-coded highlights and detailed notes for external research export. The system includes capabilities for organizing digital library collections, synchroniz

Read Frog is an AI-powered immersive translation browser extension that functions as a bilingual reading assistant and text explanation tool. It connects to over 20 AI providers, including OpenAI and Anthropic, with configurable endpoints, API keys, and model settings, enabling translation and explanation of web content directly in the browser. The extension distinguishes itself through several integrated capabilities. It translates webpage content by placing translations directly next to the original text for side-by-side comparison, and can process content from PDFs, videos, and comics. It

ChatGPT-Next-Web is a cross-platform web interface and frontend for interacting with large language models. It functions as a self-hosted client that allows users to connect to various AI model providers through a unified chat interface compatible with web browsers and desktop operating systems. The project includes a prompt template manager for creating and organizing reusable masks to standardize interactions. It supports self-hosting on private clouds to maintain data security and provides a centralized administrative panel for managing API resources and member access permissions. The app

Promptflow is a development framework and orchestrator for building applications powered by large language models. It functions as a suite of tools for designing, orchestrating, and deploying AI workflows by linking prompts, custom Python code, and language models into executable sequences. The project is distinguished by a visual AI workflow designer that allows for the creation of directed acyclic graphs of logic nodes. It provides a dedicated prompt engineering environment for versioning and comparing templates, alongside stateful execution tracing to record function calls and variable val

iflow-cli is a command-line interface and suite of AI tools designed for software engineering, workflow orchestration, and multimodal data analysis. It functions as an LLM command line interface that enables users to execute AI workflows, analyze codebase structures, and interact with large language models directly from the terminal. The project features a plugin-based agent architecture that allows for the integration of specialized domain experts and custom instruction sets from an external marketplace. It distinguishes itself through a multimodal AI terminal capable of processing visual da

This is an OpenAI API Laravel client and LLM integration library designed to connect PHP applications to large language models. It enables the integration of AI capabilities for text generation, image processing, and data automation within a Laravel environment. The package includes an API mocking framework that allows developers to simulate network responses and verify application behavior without making live requests to OpenAI services. The integration is managed through service providers and configuration files, offering a facade-based static proxy and dependency injection for the API cli

Visual-ChatGPT is a visual orchestration framework and multimodal AI pipeline designed to coordinate large language models with visual foundation models. It functions as an integration layer that enables the exchange of text and images between different AI models to automate image analysis and editing tasks without requiring additional model training. The system differentiates itself through model-chain orchestration and prompt-based task dispatching, allowing natural language instructions to trigger specific vision models or tools. It utilizes coordinate-based region mapping and iterative ma

x-cmd is an AI agent orchestrator, cloud infrastructure CLI, and cross-platform package manager that provides an enhanced POSIX shell toolkit. It integrates large language models directly into the terminal for chatting, code generation, and the execution of agentic workflows, while offering a framework for building interactive terminal user interface components. The project distinguishes itself by deploying containerized AI agents within isolated sandboxes, provisioning them with specialized skills and headless browser automation capabilities. It further streamlines development through a unif

Gallery is an Android media gallery application and local media manager. It provides a private environment for organizing, sorting, and viewing photos and videos stored on a device without requiring cloud synchronization. The application includes a media privacy tool for removing sensitive metadata and GPS coordinates from files, as well as access restrictions using pins, patterns, or biometric authentication to secure private photo storage. The software features an offline image viewer with multi-format media support and basic media editing tools for modifying visual quality. It also includ