Projects sharing features with Epicenter

MiaoYan is a local Markdown editor and personal knowledge management tool. It functions as a system for writing and organizing documents stored as local files, supporting the creation of a connected information network through bidirectional links and backlinks. The project includes a specialized tool for converting Markdown documents into slide-based presentations by using specific content separators. It also provides a command-line interface for managing files, allowing users to create, search, and open documents without a graphical file explorer. The editor features a side-by-side live pre

Notes is an Android application designed for personal knowledge management and task organization. It functions as an offline-first utility that prioritizes local data persistence, allowing users to capture and store text-based information without requiring an active network connection. The application organizes content into a card-based interface that supports custom themes for visual arrangement. To ensure data availability and portability, it includes features for manual file-system export and local archiving, enabling users to maintain backups independent of external services. Beyond its

Electric is a Postgres data synchronization engine and replication proxy designed to enable local-first software. It replicates data from Postgres databases to client-side stores in real time using logical replication, allowing applications to maintain a local embedded database for offline access and low-latency updates. The system distinguishes itself by using shapes to filter and authorize specific subsets of database rows and columns before streaming them to clients or edge workers. It further supports multi-user collaboration by integrating a conflict-free replicated data type framework t

Mempalace is a local-first long-term memory store for large language models and AI agents. It provides a persistent storage system for verbatim conversation history and agent data, utilizing a local-first knowledge graph to track evolving entity relationships and timelines. The project implements a standardized memory protocol that allows external AI clients to read and write persistent memory via standard input and output. It features a hybrid semantic search engine that combines keyword boosting and reranking to find precise historical information across scoped categories. The system inclu

Openwork is an AI agent for desktop automation that uses large language models to execute browser tasks, manage local files, and automate desktop workflows. It operates on a local-first execution model, translating natural language prompts into sequences of tool calls to perform digital chores. The system functions as a framework for defining and saving repeatable sequences of actions as reusable skills. It integrates large language models with third-party services and local APIs to synchronize data and share files. The agent includes capabilities for headless browser automation to conduct r

Open Design is an AI design orchestration platform and LLM agent workspace designed for generating prototypes, presentations, and motion graphics. It functions as a local-first environment that integrates various command-line AI agents and coding tools into a unified design workflow, allowing users to migrate design specifications into brand-compliant source code. The project is distinguished by its ability to enforce visual consistency through a design system manager that defines brand contracts and tokens using Markdown. It features a specialized motion graphics generator that converts HTML

This is a mobile object database and NoSQL local data store that replaces relational tables with a schema-based model. It functions as a reactive data store, using live object observations and change notifications to trigger automatic user interface refreshes. The system provides built-in mobile cloud data synchronization to keep local datasets consistent with a remote server across multiple devices. It also includes security features for encrypted local storage, protecting sensitive on-disk data using at-rest encryption keys and fine-grained access control. Broad capabilities include object

Linsa.io is an end-to-end encrypted cloud storage service and zero-knowledge data vault. It functions as a private content sharing platform that encrypts files and data on the client side, ensuring only the owner can access the stored content. The project employs a local-first approach, processing data updates and encryption on the local device before syncing encrypted blobs to a remote persistence layer. It uses a zero-knowledge architecture where the service provider cannot access decryption keys or view the plaintext content of stored files. The platform provides capabilities for private

Home Assistant is a local home automation platform and server that acts as an IoT device orchestrator. It integrates diverse smart home hardware by wrapping third-party APIs into a standardized logic layer and stores all system state and historical statistics on local hardware to eliminate cloud dependencies. The system functions as a Matter IoT controller and an MQTT home automation bridge, allowing for local interoperability between different manufacturers. It features a state-based entity model and an internal event bus that decouple physical device logic from system automation. The platf

Jasmine is a digital comic reader and community content platform designed for browsing, reading, and organizing digital comic collections. It functions as a comic library manager that allows users to track reading progress, save favorite titles, and categorize comic series. The application is an offline-capable web app that employs local-first data and content caching to ensure comic pages remain accessible without an internet connection. It features a responsive page viewer that adjusts comic dimensions based on the device screen size to maintain readability. The platform integrates social

Vibe-Trading is a system for automated financial trading and algorithmic market research. It uses autonomous agents to manage financial assets and execute trades based on predefined rules and logic. The project features a multi-agent collaborative workflow that coordinates specialized agents to perform joint research and risk reviews. It utilizes large language model orchestration to map natural language prompts to executable data loaders and backtesting functions. The platform includes capabilities for quantitative strategy backtesting and alpha benchmarking using information coefficients t

TinyBase is a reactive data store and in-memory relational database designed for client-side state persistence. It serves as a local-first sync engine that merges distributed state using conflict-free replicated data types and logical clocks to ensure deterministic data convergence. The project features a schema validation library that converts external definitions from tools like Zod, Yup, and TypeBox into type-safe store definitions. It provides an infrastructure for real-time collaborative editing, utilizing synchronization with Automerge, Yjs, and PartyKit to maintain consistent state acr

big-AGI is a self-hosted AI frontend and multi-model client that provides a unified workspace for interacting with various large language models. It functions as an orchestration dashboard, allowing users to connect to cloud-based AI providers, aggregator services, and locally hosted model servers. The project is distinguished by its ability to execute prompts across multiple models simultaneously for side-by-side comparison and response synthesis. It enables the merging of outputs from different models to reduce hallucinations and improve accuracy, while using persona-based configuration map

Liveblocks is a realtime collaboration infrastructure platform that synchronizes application state, documents, and user presence across multiple participants using conflict-free replicated data types. It provides a managed backend for collaborative text editors, threaded commenting and annotation systems, in-app notifications, and AI copilot deployment, all built on a WebSocket transport layer with server-side room management APIs. The platform distinguishes itself through a headless component primitive system that exposes unstyled React hooks and composable building blocks, allowing develope

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

This project is a reactive, offline-first NoSQL database engine designed for JavaScript applications. It provides a robust framework for managing application state by synchronizing data across browsers, mobile devices, and server-side runtimes. By treating local storage as the primary source of truth, it enables applications to remain functional without network connectivity, automatically reconciling changes with remote backends once a connection is restored. The database distinguishes itself through a modular architecture that supports cross-environment synchronization and high-performance d

Multer is a multipart form parser and file upload manager designed as middleware for Node.js and Express.js applications. It extracts text fields and uploaded files from incoming requests to populate the request body and file objects for server-side use. The project utilizes pluggable storage engines to abstract file persistence, allowing developers to switch between saving files to a physical disk or holding them as buffers in system memory. It supports customizable file naming strategies and a custom storage engine interface for defining how files are saved and deleted. The middleware incl

Magic Resume is a local-first resume builder that runs entirely in the browser, storing all user data on the device to protect privacy and enable offline access. It combines a real-time document editor with AI-powered writing assistance that checks grammar and suggests professional phrasing directly within the editing interface. The application provides a selection of pre-designed resume templates and supports custom theme-based visual styling, allowing users to switch between color and font schemes or toggle a dark mode for comfortable editing in different lighting conditions. A client-side

MineContext is a context management system designed to collect, store, and retrieve multimodal data to build targeted context windows for large language models. It functions as an orchestration tool and retrieval augmented generation framework that utilizes a local vector data store to index documents and enable similarity searches. The system differentiates itself through a multimodal context collector that gathers information from screen captures, files, and version control systems. It provides mechanisms for proactive information retrieval, extracting summaries and activity records from ca

Bruno is a local-first API client designed for building, testing, and managing network requests across a wide range of protocols. By storing all collections and configurations as plain-text files directly on the local filesystem, it enables native version control and offline access, ensuring that project data remains under user control without requiring cloud synchronization. The platform distinguishes itself through a declarative approach to API management, utilizing a domain-specific language to define request parameters and metadata. This architecture supports a robust testing environment

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

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 markdown web clipper and local-first web archiver. It functions as a browser extension that extracts web page content and highlights, saving them as structured markdown files for personal knowledge management and long-term preservation. The utility acts as a template-based content extractor, transforming raw website data into formatted notes. It uses custom variables and processing filters to organize how captured information is structured before it is sent to a local directory.

Boostnote is a local-first note management system and markdown text editor designed for personal knowledge management. It functions as a desktop application that reads and writes markdown files directly to the local disk, allowing for the creation of a searchable personal knowledge base and digital garden. The application provides a writing interface that renders markdown syntax in real time. It is used to organize fragmented information, maintain project documentation, and author structured technical guides.

Superdesign is an AI-powered design platform that generates UI mockups, wireframes, and multi-page user flows from natural language prompts within a collaborative canvas environment. It functions as a design-to-code exporter, producing production-ready HTML, ZIP archives, or Shopify Liquid templates for direct implementation, and includes an OpenAPI specification importer that automatically generates API documentation and client code from schema definitions. The platform distinguishes itself through a branch-based design exploration system that creates independent design variations from a sin

Omni-Notes is a mobile note-taking application and personal knowledge management tool used for creating and organizing text notes, checklists, and sketches. It functions as a multimedia knowledge base that integrates voice input, images, and audio files to maintain a searchable digital archive. The application utilizes a tag-based filtering system to group and search for stored information using metadata and categories. It further extends productivity by providing home and lock screen widgets that expose note snapshots and shortcuts for rapid access. The system supports the creation of struc

This project is a native C++ desktop application for personal knowledge management. It functions as a local-first markdown note-taking tool and knowledge base, ensuring data is stored directly on the local device for offline access and user ownership. The application distinguishes itself by transforming markdown task lists into interactive kanban boards for visual workflow tracking. It also emphasizes keyboard-driven productivity, utilizing system-wide hotkeys to summon the application to the foreground and navigate its interface without a mouse. The software provides hierarchical content or