SafeLine: 21K Stars for a Self-Hosted Open Source WAF
Chaitin's open-source Web Application Firewall SafeLine with 21.2K stars. Reverse proxy protection, rule-based defense, Bot management, and CC protection.
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Chaitin's open-source Web Application Firewall SafeLine with 21.2K stars. Reverse proxy protection, rule-based defense, Bot management, and CC protection.
A practical Douyin batch downloader with 7.5K stars. Supports videos, galleries, collections, and music downloads in Python.
IMG.LY's open-source in-browser background removal library with 7.1K stars. Runs on ONNX locally, no uploads, privacy-friendly for e-commerce and creative tools.
A visual browser automation extension with 21.2K stars. Build workflows by connecting blocks, no coding required.
Trinea's categorized collection of Android open-source projects with 31.8K stars. Covers UI, networking, databases, performance, and more — essential for Android tech decisions.
Select2 is a jQuery-based replacement for select boxes with 25.9K stars. Supports searching, remote data, and infinite scrolling.
Open-source database DevSecOps platform with 13K+ stars. Schema change approvals, SQL linting, data masking, and GitOps-style database lifecycle management.
Open-source team collaboration platform with 36K+ stars. TypeScript + Go, self-hosted, end-to-end encryption, compliance audit — enterprise-grade Slack replacement.
Spring Data JPA extension with 401 stars. Template-based dynamic queries via Freemarker/Velocity — flexible SQL like MyBatis while keeping JPA's simplicity.
A lightning-fast, lightweight Windows-only PDF reader with 16.6K stars. Opens files instantly with minimal memory usage.
Review of iluwatar/java-design-patterns, an open-source project implementing classic design patterns in Java with 94K stars.
A 16.4K-star code-driven presentation tool using HTML/CSS, Claude-generated code, and browser-native playback.
Review of breaking-brake/cc-wf-studio, a VSCode extension that visualizes Claude Code workflows with slash commands and sub-agent orchestration.
An intelligent natural-language-to-SQL system using LLMs and RAG with 6K stars. Supports multi-source conversational analytics.
Review of Lissy93/dashy, a feature-rich self-hosted personal dashboard with status checks, widgets, themes, and a visual editor.
Hands-on review of Anthropic's Claude Code terminal AI coding tool. Natural language codebase control, automated Git workflows — legit productivity boost or overhyped?
Hands-on review of Scrapling — an adaptive Python web scraping framework handling everything from single requests to full-scale crawls. Is the anti-detection really that good?
Deep dive into codecrafters-io/build-your-own-x — a curated collection of 'build X from scratch' tutorials. Why does this repo keep trending year after year?
Review of cars10/elasticvue, a desktop app, browser extension, and Docker-deployable Elasticsearch GUI built with TypeScript. 2.6K+ Stars.
Review of microsoft/markitdown, an open-source Python CLI from Microsoft that converts PDFs, Word docs, PowerPoints, and more to Markdown.
chalk is the most popular terminal string styling library in the Node.js ecosystem with 23k GitHub stars. After three years of daily use, here's why it deserves a spot in every CLI developer's toolkit.
Review of harry0703/MoneyPrinterTurbo, a Python project that uses AI LLMs to generate HD short videos with one click. Today's GitHub Trending hot project.
Review of Tencent/APIJSON, a real-time zero-code ORM library that auto-generates APIs and docs. Written in Java with 18K+ Stars.
Taste-Skill is a Claude Code skill file designed to stop AI from generating boring, generic slop. It makes AI produce more tasteful designs and code. Gained 1,400+ stars on GitHub today.
waifu2x is a super-resolution tool purpose-built for anime-style images with 28k GitHub stars. I tested it on dozens of old screenshots and wallpapers — here's how it performs in real-world use.
Review of VintLin/skill-flow, a Swift CLI tool to install and manage skills across Claude Code, Cursor, Copilot, and other coding agents.
ECC is an AI Agent Harness performance optimization system for Claude Code, Cursor, and other AI editors, providing skills, instincts, memory, and security. At 192k GitHub stars, gaining 2,000+ today.
DigitalPlat FreeDomain is an open-source project offering free domains. At 166k GitHub stars, gaining 1,100+ today. I registered a test domain to see how it actually works.
pgbackweb is a user-friendly web interface for PostgreSQL backups with 2.6k GitHub stars. I used it to manage backups for three projects — here's why it's more convenient than traditional approaches.
Understand-Anything turns any codebase into an interactive knowledge graph, supporting Claude Code, Cursor, Copilot, and more. It gained nearly 4,000 stars in a single day on GitHub. I threw it at an unfamiliar project to see how it performs.
Andrej Karpathy Skills is a CLAUDE.md file derived from Karpathy's observations on LLM coding pitfalls, designed to improve Claude Code behavior. Just one file, 154k GitHub stars.
Twenty is an open-source CRM designed for AI, positioned as a Salesforce alternative. Built with TypeScript, React, and NestJS. At 46k GitHub stars. I deployed an instance and tested it for a week.
CodeGraph is a pre-indexed local code knowledge graph for Claude Code, Cursor, and other AI editors. It runs 100% locally, reducing token consumption and tool calls. Added 3,000+ stars on GitHub today.
Anthropic Cybersecurity Skills is a library of 754 structured cybersecurity skills for AI agents, mapped to 5 frameworks including MITRE ATT&CK and NIST CSF. Supports 20+ platforms including Claude Code and Cursor.
AI Engineering from Scratch is an open-source course covering LLMs, Agents, MCP, computer vision, and more, in Python and Rust. It gained nearly 2,000 stars today on GitHub. I went through the curriculum to see if it delivers.
MagicUI is a UI component library for design engineers offering copy-paste animated components and effects built on React, Tailwind CSS, and Framer Motion. I dropped it into a few projects to see how it holds up.
CLI-Anything from HKU Data Science Lab wraps any command-line tool into an agent-friendly interface. I tested it extensively and found it solves a genuinely practical problem.
OpenHuman is a Rust-based local AI agent framework with 23.9K GitHub stars. I spent an afternoon setting it up — here's
rust-lang/mdBook is a 21k+ star Rust project that lets you create beautiful online books and documentation sites from plain Markdown files — an open-source GitBook alternative.
ClickRun is a lightweight mouse auto-clicker written in C, open-source and free, with customizable click intervals and hotkey toggle. I threw it at a few scenarios, and the results were surprisingly solid.
BDenizKoca/Tideflow-md-to-pdf is a 300-star TypeScript project built on Tauri — a desktop app that converts Markdown files to beautifully formatted PDFs, completely offline.
GFPGAN is an open-source face restoration algorithm from Tencent ARC Lab with 37k GitHub stars, using GAN to reconstruct faces in real-world scenarios. I tested it on a stack of old photos — here's how it actually performs.
affaan-m/everything-claude-code is a 174k+ star performance optimization system providing skills, instincts, memory, security, and research-first development for Claude Code, Codex, Cursor and beyond.
rocksdanister/lively is an 18k+ star open-source dynamic wallpaper app built on WinUI 3, supporting videos, GIFs, web pages, and more to bring your Windows desktop to life.
CodePhiliaX/Chat2DB is a 25k+ star AI-driven database management tool supporting MySQL, PostgreSQL, Oracle and more — generating SQL queries from natural language to dramatically lower the database operation barrier.
HKUDS/nanobot is an open-source AI agent project with 41k+ stars. It keeps the core agent loop small and readable while supporting chat channels, memory, MCP, and practical deployment paths.
karpathy/autoresearch is an open-source project with 81k+ stars that lets AI agents run research experiments automatically on a single GPU — modifying code, training models, and evaluating results.
Kong/insomnia is an open-source API client with 38k+ stars, supporting REST, GraphQL, WebSockets, SSE, and gRPC. Clean UI and fast startup make it a solid Postman alternative.
mem0ai/mem0 is a Python project with 55k+ stars that provides an intelligent memory layer for AI assistants and agents, supporting multi-level memory, cross-session persistence, and personalized interactions.
VoltAgent/awesome-openclaw-skills is a curated collection with 48k+ stars featuring 5,400+ filtered and categorized OpenClaw skills for Claude Code, Codex, and other AI coding agents.
allenai/olmocr is a Python toolkit with 17k+ stars that linearizes PDFs into clean text formats optimized for LLM consumption, solving a critical pain point in AI document processing.
goodnamehadbeeneatbydog/jd-base is a 1-star JavaScript personal project, a small DIY script collection with limited documentation.
ppz-pro/file-bridge is a 260-star JavaScript file bridging tool that lets you quickly set up a file server in any web environment for easy browser-to-filesystem interaction.
shufflewzc/faker3 is a 1.9k-star JavaScript data generation tool carrying on the Faker ecosystem tradition, providing convenient fake data for testing, development, and automation.
msojocs/fiddler-everywhere-enhance is a 2k+ star enhanced version of Fiddler Everywhere, providing additional features and optimizations for modern web debugging and API inspection.
nas-tools is a 9k+ Star open-source NAS media library automation tool supporting PT download integration, automatic metadata scraping, subtitle matching, and hardlink organization for a hands-off private media server experience.
MartialBE/one-hub is a 2.8k-star Go-based OpenAI API management and distribution system supporting unified multi-model access, statistics monitoring, and non-OpenAI model function calling for teams managing multiple AI APIs.
dockur/windows is a 51k+ Star open-source project that runs a full Windows system inside a Docker container with KVM acceleration, RDP remote desktop, and automatic activation — perfect for testing environments and remote work.
ZHO-nano-banana-Creation is a 3.7k-star Chinese AI image generation prompt collection featuring advanced techniques and creative workflows for the Doubao Nano Banana Pro model, from photorealistic portraits to concept design.
xxss0903/drawstamputils is a 1.5k-star TypeScript stamp drawing library supporting pure frontend generation of company seals, financial stamps, and contract stamps with customizable text, borders, and star details.
OpenCat is a 4.7k+ Star open-source quadruped robot framework written in C++ for Arduino and Raspberry Pi, enabling anyone to build a Boston Dynamics-style robot pet from scratch.
Awesome Sysadmin is a 33k-star curated open-source sysadmin resource list covering 30+ categories and 200+ tools — from monitoring and backups to automation and virtualization.
blueimp/jQuery-File-Upload is a 30.7k-star classic jQuery file upload plugin supporting multi-file selection, drag & drop, progress bars, chunked resumable uploads and cross-domain uploads — still a reference implementation for frontend file uploads.
Jeffallan/claude-skills is an 8.8k-star collection of 66 specialized skill files for Claude Code, covering frontend, backend, DevOps, and AI directions for full-stack developers.
Melody is a 3.7k-star self-hosted JavaScript music tool that searches NetEase, QQ Music, Bilibili and more, auto-uploads to your music cloud, and even un-greys songs that lost their licensing rights.
what-to-eat is a 3.3k-star Vue + AI smart recipe generation platform supporting China's eight major cuisines and international dishes, with nutrition analysis, wine pairing, and AI food image generation.
Paperless-ngx is a 40.2k-star self-hosted document management system supporting OCR recognition, full-text search, tag-based classification and automatic archiving — making every scanned document searchable and manageable.
Apache ShardingSphere ElasticJob is an 8.2k-star Java distributed scheduled job framework supporting task sharding, elastic scaling, failover, and a built-in admin console — built for large-scale scheduling scenarios.
ELADMIN is a 21k-star Spring Boot + Vue admin management system with built-in RBAC permissions, data dictionary, and front/back-end code generators supporting one-click CRUD generation — a high-efficiency scaffold for Java backend development.
ShareX is a 37.2k-star C# screenshot and screen recording tool, open-source and free, with an incredibly rich feature set. From screenshots to OCR to automatic uploads, it covers virtually every screen content workflow.
ai-bytedance/obsidian-cloud-sync is a 562-star Obsidian sync plugin supporting WebDAV, GitHub, and end-to-end encryption. Keep your notes synced across devices without an Obsidian Sync subscription.
claude-code-templates is a 26.7k-star Python CLI tool for generating presets and workflow templates for Claude Code. I set up a custom template workflow and here's what actually worked.
claude-hud is a 21.7k-star Claude Code plugin that displays real-time context usage, active tools, running agents, and todo progress. After installing it, I can finally see what Claude Code is actually doing.
LibreTV is a 13.4k-star JavaScript media site project supporting Vercel, Docker, and more. I tried it — from clone to live really does take just a few minutes.
n8n is an open-source workflow automation platform with 186k stars and built-in AI capabilities. I built three automations with it and here's what actually worked and what didn't.
OpenFang is a 17.1k-star open-source Agent Operating System built in Rust, featuring security sandboxes and multi-platform messaging adapters. I spent a day studying its architecture — here's what I found.
preserve-cd is a 6.9k-star game preservation project dedicated to collecting and archiving classic PC game disc images. Digging into the repository reveals it's much more than just a backup project.
NeverSink-Filter is a 25.8k-star Path of Exile loot filter that uses sophisticated item tiering and visual markers to help players instantly spot high-value drops amid screen-fulls of loot.
Buzz is an open-source desktop app powered by OpenAI Whisper for offline audio transcription and translation. After a few weeks of using it for meetings and podcasts, here's my honest take.
mattpocock/skills is an open-source collection of Claude Skills with 61k+ stars. I tried the productivity skill pack and here's what actually worked and what didn't.
open-webui/open-webui is a 135k-star open-source project that wraps Ollama and various LLM APIs in a beautifully crafted web interface. I self-hosted it for a week — here's the full experience.
FileConverter is a 14.2k-star Windows file conversion tool integrated into the right-click context menu, supporting images, videos, audio, and documents. Two weeks of use — here's the honest review.
docmd is a 1.4k-star TypeScript documentation generator that promises 'No React, no bloat, just content.' I tried it — it actually turns a Markdown file into a polished product docs site in seconds.
ChatTTS is an open-source TTS model purpose-built for conversational speech, with 39k stars on GitHub. After a week of using it for audio content, here's what works and what doesn't.
browser-use/browser-harness is a 10k-star open-source project that connects LLMs directly to your real browser via CDP. I spent two days with it — here's what actually works.
AUTOMATIC1111/stable-diffusion-webui is the most iconic open-source project in AI image generation with 162k stars. As a 3-year user, here's why it's still worth it in 2026.
Midscene is an AI-powered UI automation framework from ByteDance's web-infra-dev team that lets you write tests in natural language. After a month of E2E testing with it, here's my honest take.
Screenshot to Code converts design mockup screenshots directly into HTML/Tailwind/React/Vue code. With over 72k GitHub stars, I tested it on a dozen real UI screenshots to see how reliable it actually is.
Firecrawl's official MCP Server gives LLM clients direct access to web scraping and search. I hooked it up to Claude Code for a few days — here's what it can do and where it stumbles.
OpenRelay is an open-source AI model proxy router that aggregates hundreds of free API quotas. I wired it into a local project for a few days — here's which models work and whether stability holds up.
FastSD CPU is a Stable Diffusion inference framework optimized for CPUs and AI PCs. I tested it for several days on a laptop with no dedicated GPU — here's whether it can actually replace GPU rendering.
I spent some time with Microsoft's Magentic-UI, a human-centered web agent prototype. Here's what it can do, where it shines, and where it falls short.
A review of zhuima/awesome-cloudflare, a Chinese community-curated awesome list covering Cloudflare Workers, Pages, Tunnel, and more with 13K+ stars.
An OpenWrt build and update repository supporting X86, R2C, R2S, R4S, R5S, N1, Xiaomi and more devices with OTA auto-upgrade.
xBrowserSync is an open-source cross-browser bookmark syncing tool that encrypts your data and stores it on a cloud service you choose. I used it for two weeks — here's whether it can replace native browser sync.
CodeFormer is a NeurIPS 2022 blind face restoration algorithm that can recover blurry, low-resolution, and damaged old photos remarkably naturally. I ran it on real samples — here's how well it performs.
MapStruct is a Java annotation processor for type-safe bean mapping with zero reflection. After using it for three years, here's what I actually think.
Deep-dive review of Angular, Google's TypeScript-based frontend platform with 100K+ stars. We cover its pros, cons, and real-world experience.
Review of MLEveryday/100-Days-Of-ML-Code, a 22K-star Chinese machine learning tutorial covering 100 days of ML and DL fundamentals.
Moonlight is an open-source NVIDIA GameStream alternative that lets you stream PC games to your phone. I spent a week testing it on Android — here's the real story on latency, image quality, and compatibility.
Sunshine is a self-hosted game streaming server compatible with Moonlight clients. I set it up for home streaming and here's how it actually performs.
Review of LizabethLi/markdown-to-wechat-converter, a JavaScript tool converting Markdown to WeChat article format. Only 42 stars but addresses a genuine pain point.
Review of chen08209/FlClash, a multi-platform proxy client based on ClashMeta, open-source and ad-free with 37K stars.
Vaultwarden is an unofficial Bitwarden-compatible server written in Rust with minimal resource usage. I've used it as my main password vault for six months — here's my honest review.
Deep-dive review of difyz9/ytb2bili, a Go-based tool for automatically downloading YouTube videos, transcoding, and uploading to Bilibili with 1552 stars.
A hands-on review of hangwin/mcp-chrome, a Chrome extension-based MCP server that enables AI assistants to automate browser interactions.
Review of codematrixer/icertools, a Python-based iOS developer toolkit featuring IPA resigning, icon cropping, and asset extraction. Small but practical at 169 stars.
A review of signalwire/freeswitch, an open-source Software Defined Telecom Stack supporting VoIP/SIP/WebRTC, running on everything from a Raspberry Pi to multi-core servers.
In-depth review of YouMind-OpenLab's nano-banana-pro-prompts-recommend-skill, an AI skill for Claude Code and OpenClaw that provides smart prompt recommendations from 10,000+ Gemini image generation prompts.
An in-depth review of wibus-wee/InjectGUI, exploring the real-world experience and limitations of this GUI wrapper for the macOS injection framework.
An in-depth review of Wang Shusen's SearchEngine repository, a structured learning resource covering retrieval models, learning to rank, and indexing architecture.
Smart-doc is a Java API documentation generation tool that analyzes source code to produce docs with zero annotation intrusion. This review covers its core features, use cases, and how it compares to Swagger.
Hands-on review of TapXWorld/ChinaTextbook, a GitHub repo with PDF textbooks from primary school to university. What's behind those 70K stars?
A hands-on review of ReactorCA, a lightweight Go CLI tool for managing homelab Certificate Authorities with age-encrypted private keys and automated deployment.
sing-box is a universal proxy platform written in Go, supporting Shadowsocks, VMess, Trojan, and more. This review covers installation, configuration, and real-world usage of this 33k+ Star open-source tool.
A VS Code extension that packs AI agents into your editor. 23.7k stars and claiming to give you a full AI development team.
A review of Jodd, a lightweight Java utility set and micro-framework collection with 4000+ stars, covering HTTP client, JSON parser, IOC container, HTML parser, and more — all with zero dependencies and high modularity.
A curated collection of 807 quality open-source consumer apps, from AI tools to system utilities. Here's my deep dive into definitive-opensource's filtering logic and real-world value.
An open-source ebook management tool that's been around forever. Supports virtually every format conversion, Kindle push, and metadata editing.
A review of js-sdsl, a JavaScript standard data structure library benchmarking against C++ STL. Supports priority queues, red-black trees, deques, and more for algorithm visualization and real-time data processing.
In-depth review of Drawnix, an open-source whiteboard built on the Plait plugin architecture, supporting mind maps, flowcharts, freehand drawing, and Mermaid import.
A Shell-based Claude development environment with integrated code review, security analysis, and AI agents that makes Claude truly act like your technical co-founder.
dnSpyEx is the unofficial continuation of the legendary .NET debugger dnSpy. Here's my hands-on take on its core features, quirks, and the frustrations that come with it.
A Bootstrap and Material-inspired LuCI theme for OpenWrt that drags your router's admin interface out of the early 2010s.
A review of pretext, a 45K+ stars TypeScript text measurement and layout library that solves the precision headache of calculating text dimensions, line breaks, and typography in frontend development.
In-depth review of ccwav/QLScript2, a JavaScript automation script collection for Qinglong panel focused on JD.com tasks including asset queries, CK validation, and notification routing.
Cap is an open-source screen recording tool built with Tauri + Rust, positioning itself as a Loom alternative. This review covers the installation experience, recording quality, and real-world usage of this 18k+ Star project.
A Java + Eclipse based Android GPS simulation tool for developer debugging and location-based testing needs.
MaxKB is a Python-based open-source enterprise agent platform with RAG knowledge bases, multi-model support, and visual workflow orchestration. Here's my hands-on take on what works and what doesn't.