Open source. Open possibilities.

A comprehensive open-source Chinese classical poetry database containing 55,000 Tang poems, 260,000 Song poems, 21,000 Song ci, and other classical collections in JSON format for developers.

A collection of coding articles and snippets designed to help developers improve their skills through practical examples and explanations.

A curated list of computer science courses with video lectures, covering algorithms, AI, databases, operating systems, and more.

An open-source book cataloguing Rust design patterns, anti-patterns and idioms, built with mdbook and available as HTML and PDF.

Local Deep Researcher is a fully local web research assistant that uses Ollama or LMStudio-hosted LLMs to iteratively search the web, summarize findings, identify knowledge gaps, and produce a cited markdown report.

VimWiki is a personal wiki plugin for Vim that lets you organize notes, manage to-do lists, write documentation, and maintain a diary using linked text files with syntax highlighting, all exportable to HTML.

Consigliere is an AI-powered CLI for organizing knowledge, projects, and ideas. It creates a structured workspace that integrates with AI assistants like Claude Code to maintain context, track progress, and manage an idea-to-project lifecycle.

ClioForge is a self-hosted, open-source research IDE for history and humanities. It combines document import, annotation, evidence linking, writing, and bounded AI workflows, all subject to human review. Alpha software.

A knowledge refresher project for internet Java engineers, systematically organizing interview and practical knowledge across 5 core backend architecture fields: high-concurrency architecture, distributed systems, high-availability architecture, microservice architecture, and massive data processing.

ArchiveBox is an open-source, self-hosted web archiving tool that preserves website content in multiple durable formats.

Linkwarden is a self-hosted, collaborative bookmark manager designed to collect, annotate, and preserve webpages to prevent link rot.

Awesome Emacs is a community-driven list of useful Emacs packages, libraries, and utilities. It covers a wide range of categories from interface enhancement and editing to programming languages, AI, and productivity tools, helping users customize and optimize their Emacs workflow.

A free and open-source Windows desktop application for offline evidence preservation, casework organization, and local intelligence.

Obsidian plugin that embeds the DeepSeek Harness native Web UI, giving each vault its own isolated DSH instance for AI-assisted note work, with selection/file linking, model config sync, and optional portable runtime.

Dataview is an Obsidian plugin that turns your vault into a queryable database. It extracts metadata from Markdown frontmatter and inline fields, then provides a pipeline-based query language (DQL) and a JavaScript API for filtering, sorting, and visualizing notes.

DeepTutor is an open-source lifelong personalized tutoring platform from HKUDS, combining agentic chat, knowledge bases with multiple RAG engines, guided learning, book generation, quizzes and multi-channel IM partners.

Go design pattern example code repository based on notes from 'Refining Design Patterns', covering 23 classic patterns across creational, structural, and behavioral categories.

FreshRSS is a lightweight, self-hosted RSS feed aggregator that allows users to manage and read news feeds in a customizable, multi-user environment.

A curated collection of technical resources and learning materials for software developers, covering algorithms, data structures, security, architecture, career advice, and more.

A curated list of programming tutorials for learning by building real applications from scratch, organized by programming language and covering compilers, kernels, games, web and mobile apps.