Today’s Recommendation: simdjson
simdjson is a high-performance C++ JSON parsing library that utilizes SIMD instructions and parallel algorithms to parse gigabytes of JSON data per second. It is widely used by many well-known projects such as Facebook, Node.js, and ClickHouse.
1 markitdown
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Today’s Stars
702
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Total Stars
74045
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Main Language
Python
https://github.com/microsoft/markitdown
markdownpdfopenaimicrosoft-officeautogenlangchainautogen-extension
MarkItDown is a Python tool specifically designed to convert various files (such as PDF, Word, Excel, PPT, and even audio and images) into concise Markdown format, making it particularly suitable for AI or text analysis tools. It retains the structure of the document (headings, tables, lists, etc.), but is not as refined as professional typesetting tools. You can quickly convert files via the command line, extend functionality with plugins, and even call AI to generate descriptions for images. This open-source project by Microsoft is ideal for those looking to handle document content in a simple way.
2 PowerShell
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Today’s Stars
692
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Total Stars
49673
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Main Language
C#
https://github.com/PowerShell/PowerShell
windowsmacoslinuxshellcommand-linepowershellnetcorehacktoberfest
PowerShell is a cross-platform automation tool and configuration framework for Windows, Linux, and macOS systems. It can handle structured data (such as JSON and CSV) and easily interface with REST APIs and command-line operations. Whether you want to write scripts, manage servers, or integrate existing tools, PowerShell provides a powerful command-line environment and scripting language to help you efficiently complete tasks.
3 system-prompts-and-models-of-ai-tools
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Today’s Stars
685
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Total Stars
84937
https://github.com/x1xhlol/system-prompts-and-models-of-ai-tools
open-sourceaivscodetraedevincursorboltcopilotv0windsurfperplexityreplitlovablegithub-copilotsystem-promptscursoraiwindsurf-aitrae-idetrae-aicluely
This project collects system prompts and internal models from various popular AI tools (such as Cursor, Devin, Replit Agent, etc.), containing over 7000 lines of code and configuration information to help developers understand how these tools work. All content is manually extracted or organized from open-source projects, with some coming from official versions. The project also provides security recommendations and supports continuous updates and maintenance through donations or cryptocurrency.
4 n8n-workflows
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Today’s Stars
361
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Total Stars
30064
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Main Language
HTML
https://github.com/Zie619/n8n-workflows
This is a project that collects a large number of n8n automation workflows, like a ready-made “automation recipe book”. It contains over 2000 out-of-the-box workflow templates covering various scenarios from messaging to data processing, and provides intelligent search and categorization features to help you quickly find automation solutions that suit your needs.
5 simdjson
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Today’s Stars
357
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Total Stars
21845
https://github.com/simdjson/simdjson
c-plus-plusjsonarmneonx64clangcpp11simdjson-parseravx2json-pointerarm64aarch64avx512gcc-compilersse42vs2019clang-clloongarch
simdjson is an ultra-fast C++ JSON parsing library that leverages modern processor SIMD instruction technology to parse thousands of gigabytes of JSON data per second. It is several times faster than many commonly used parsing libraries and is used by numerous well-known projects such as Facebook, Node.js, and ClickHouse, ensuring both speed and data integrity and correctness.
6 Real-Time-Voice-Cloning
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Today’s Stars
201
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Total Stars
55468
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Main Language
Python
https://github.com/CorentinJ/Real-Time-Voice-Cloning
pythondeep-learningtensorflowpytorchttsvoice-cloning
This is a real-time voice cloning tool that can replicate a voice with just a 5-second sample and generate speech content for any text. It uses deep learning technology and operates in three steps: first extracting voice features, then synthesizing speech from text, and finally outputting in real-time through a vocoder. It is suitable for creating personalized voices or performing voice conversion, is easy to operate, and supports real-time processing.
7 DeepCode
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Today’s Stars
177
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Total Stars
6114
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Main Language
Python
https://github.com/HKUDS/DeepCode
llm-agentagentic-coding
DeepCode is an AI programming assistant powered by a multi-agent system that can automatically convert complex algorithms or natural language descriptions from research papers into usable code. Whether it’s front-end web pages, back-end services, or complete algorithm implementations, you just need to provide a textual description or documentation, and it can generate high-quality production-level code, greatly enhancing development efficiency.
8 opencode
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Today’s Stars
175
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Total Stars
23201
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Main Language
TypeScript
https://github.com/sst/opencode
OpenCode is an AI programming assistant tool designed for the terminal, allowing you to write code directly in the command line. It is fully open-source and supports multiple AI model providers, making it particularly suitable for developers who prefer working in the terminal. The installation method is flexible, supporting one-click installation via curl and various package managers, and allows for custom installation paths. This project is developed by Neovim users and the creators of terminal.shop, with a focus on enhancing the terminal user experience, and may support advanced features like remote control in the future.
9 crawl4ai
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Today’s Stars
157
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Total Stars
53123
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Main Language
Python
https://github.com/unclecode/crawl4ai
Crawl4AI is an open-source web crawler tool designed for AI developers, capable of quickly scraping web content and converting it into a format suitable for large language models. It supports dynamic page loading, intelligent content extraction, and can generate clean Markdown documents for subsequent AI training or data analysis. This project is completely free and maintained by an active developer community, making it particularly suitable for scenarios requiring efficient web data acquisition, such as building knowledge bases or AI agents. Installation is simple, and it can be quickly deployed via Docker, making it very flexible.
10 ai-hedge-fund
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Today’s Stars
114
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Total Stars
40166
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Main Language
Python
https://github.com/virattt/ai-hedge-fund
This is an educational project simulating an AI hedge fund, where multiple AI agents with different investment styles (such as those of famous investors like Buffett and Cathie Wood) collaborate to analyze stocks and generate simulated trading decisions. It integrates fundamental analysis, technical indicators, and market sentiment, but is for learning and research purposes only, not involving real trading. It supports local or cloud-based AI model operation and provides backtesting functionality, making it suitable for those interested in quantitative investing and AI applications to explore.
11 ccxt
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Today’s Stars
46
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Total Stars
38296
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Main Language
Python
https://github.com/ccxt/ccxt
apibotlibrarycryptobitcointradingethereumcryptocurrencyexchangemarket-datastrategybtccryptocurrenciestradeetharbitragealtcoinmerchantinvestmemecoin
CCXT is a powerful cryptocurrency trading library that supports multiple programming languages including JavaScript, Python, PHP, C#, and Go. It integrates APIs from over 100 cryptocurrency exchanges, allowing developers to easily connect and trade digital currencies like Bitcoin and Ethereum. Whether you need to access market data, develop trading algorithms, or build automated trading bots, CCXT provides a unified and user-friendly interface. It is suitable for programmers, data analysts, and quantitative traders, helping to quickly implement cross-exchange arbitrage, strategy backtesting, and other functionalities.
12 Perplexica
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Today’s Stars
36
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Total Stars
24442
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Main Language
TypeScript
https://github.com/ItzCrazyKns/Perplexica
search-enginemachine-learningartificial-intelligencesearxngai-search-engineperplexity-aiopen-source-perplexity-aiopen-source-ai-search-engineperplexicasearxng-copilot
Perplexica is an open-source AI search engine that helps you search the web deeply and understand questions, providing clear answers and sources, similar to Perplexity AI. It supports local AI models (such as Llama3) and various search modes, including academic research and video search, while also protecting privacy. You can quickly install it using Docker or integrate it into your own applications via API.
13 midday
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Today’s Stars
36
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Total Stars
12159
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Main Language
TypeScript
https://github.com/midday-ai/midday
financetypescriptnextjstailwindsupabase
Midday is an all-in-one business management tool designed for freelancers, integrating features such as time tracking, invoice management, document storage, and financial overview. It can automatically match bills and receipts, provide secure document storage, and analyze financial status through an intelligent assistant. Developed on a modern tech stack, it supports multi-platform use, helping freelancers manage their daily work more efficiently.
14 mlx-lm
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Today’s Stars
18
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Total Stars
2046
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Main Language
Python
https://github.com/ml-explore/mlx-lm
mlxllms
mlx-lm is a Python toolkit that efficiently runs and fine-tunes large language models (LLMs) on Apple chips. It supports loading models directly from Hugging Face, can quantize models to save memory, and provides functionalities for text generation, conversational interaction, and model fine-tuning, allowing users to quickly experience and deploy AI models on local devices.
15 open-battery-information
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Today’s Stars
15
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Total Stars
388
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Main Language
C++
https://github.com/mnh-jansson/open-battery-information
This is an open-source project that helps repair batteries. Many battery BMS management systems are locked by manufacturers and become unusable, but the batteries themselves may still be functional. This project provides tools and information on how to unlock and reset batteries using Arduino and computer software, preventing usable batteries from being wasted, which is both environmentally friendly and cost-effective.
16 OrcaSlicer
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Today’s Stars
11
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Total Stars
10740
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Main Language
C++
https://github.com/SoftFever/OrcaSlicer
makers3d-printing3d-printer
OrcaSlicer is an open-source 3D printing slicing software that converts 3D models into G-code instructions recognizable by printers. It supports various mainstream brands of 3D printers, such as Bambu Lab, Prusa, and Creality, and provides rich printing optimization features, such as intelligent support generation, high-speed slicing, and pressure calibration, helping users produce more accurate and higher-quality models. It has a user-friendly interface and an active community, suitable for users ranging from beginners to professionals.