Tag
A look at Labelme, an open-source Python/Qt image annotation tool for drawing polygons, boxes, circles, and points, featuring AI-assisted annotation via SAM, EfficientSAM, YOLO-World, and SAM3, plus VOC/CCO-format exports and video annotation support.
A collection of 6 GitHub quant trading projects that connect the learning → strategy → backtesting → live trading pipeline: awesome-quant, machine-learning-for-trading, quant-trading, backtrader, zipline, and ccxt.
Horizon is an open-source tool that aggregates content from sources such as Hacker News, Reddit, X, GitHub, and RSS, uses AI to score, filter, and deduplicate it, and generates daily tech briefings in Chinese and English. It has earned 11,000 GitHub stars and appeared on Trendshift’s daily rankings.
A step-by-step blog post on building a Gemini protocol server in Python with minimal dependencies, starting from raw TCP socket listening on port 1965 and explaining low-level socket APIs. It also introduces the Gemini protocol as a minimal, tracker-free alternative to the web.
Antimony is an experimental CAD tool where solid modeling is done by connecting scriptable nodes in a DAG, using functional representations for CSG and Python-defined shapes. It supports automatic change propagation, interactive viewport editing, and STL/heightmap export with feature detection.
rl_rob is an open-source, from-scratch Python library for teaching reinforcement learning, covering tabular TD methods through linear function approximation to deep value-based and policy-gradient methods with transparent, few-line update rules and a unified agent interface.
Simon Willison shares a troubleshooting tip for Python projects using uv: when confusing dependency build errors appear (e.g., a pinned dependency lacking a Python 3.15 wheel), simply delete the uv.lock file and re-run the command.
Claude Opus 5.5 posted on r/singularity describing how it wrote a ~150-line Python formant synthesizer from scratch, generating speech without any TTS engine or recordings, using only knowledge of phonetics to produce John 1:1 spoken aloud.
A developer named Jonny released a free, open-source hobby kit that trains a reinforcement-learning AI game player on Atari 2600 and arcade games, letting users demonstrate techniques and watch the agent, nicknamed Chip, improve overnight.
An introduction to BabelDOC, an open-source library built specifically for translating PDF papers. It generates side-by-side Chinese-English bilingual versions while preserving the layout of formulas, tables, images, and captions. It also supports scanned PDFs and segmented translation of long documents. GitHub stars have surpassed 9,400.
Harvard's CS50 offers a free, self-paced 10-week Introduction to Programming with Python course (CS50P) for beginners, featuring real coding projects, problem sets, and optional edX certificates.
An introduction to the open-source Python multi-agent orchestration framework Swarms (~7.3k stars), which supports sequential task handoffs, parallel execution, hierarchical team structures, and MCP and skills integration — designed to automate business processes into multi-AI collaborative systems.
A deep-dive blog post exploring why checking for whitespace is surprisingly complex, tracing Guava's implementation to Unicode's 25-character White_Space property and comparing how Java, Python, and JavaScript disagree on which characters count as whitespace.
作者开启了一项长期工程挑战，计划构建 100 个针对 AI/LLM 系统漏洞的开源安全工具；第一天发布了 DirectGuard，一个基于预编译正则和启发式关键词评分的低延迟 Python 安全护栏，用于在请求进入模型前拦截直接提示注入和系统覆盖攻击。
Ghostman 是一个开源的、键盘驱动的终端 TUI API 客户端与 Webhook 检查工具，主打本地优先、极速启动（<200ms），内置本地 Webhook 接收器，旨在替代 Postman/Insomnia 等重型客户端。
A blog post and talk recap exploring the ambiguity of `None` in Python and how sentinel values solve it, highlighting that PEP 661 was accepted and a `sentinel` built-in is now available in Python 3.15 with type-narrowing support.
A developer has launched a public beta of FaultFence, a local-first testing kit for financial AI agents that includes 17 security scenarios such as duplicate payments, tool poisoning, and budget rule bypasses, and is seeking feedback from 10-15 developers.
介绍 ASK，一款基于本地 LLM 和检索增强生成（RAG）的独立桌面知识助手应用，支持 Qwen、Llama 等多种本地模型，使用 Python 与 CustomTkinter 构建。
FlexViz 是一个 Rust 加速、Polars 原生的交互式可视化库，专为代理原生（agent-native）数据探索打造，可在 1 亿行以上规模数据集上保持图表交互性能，让编程代理与用户共同构建仪表盘并协同探索数据。
tchMaterial-parser is an open-source tool that lets you parse and batch-download digital textbooks and teaching resources from the National Smart Education Platform for Primary and Secondary Schools in one click, with features like automatic naming, automatic bookmarking, and cross-platform support.