
NodeESP — Visual programming for ESP32
Visual node-based programming environment for creating GPIO logic and MQTT workflows on ESP32 devices.
@NodeESP · X
- Project for sale
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Visual node-based programming environment for creating GPIO logic and MQTT workflows on ESP32 devices.
@NodeESP · X
- Project for sale

Learn to code and build projects through interactive games and challenges designed for the LLM era
@RahimNathwani · X
Not a direct answer but the guys at Exercism (non-profit that publishes really good and free programming language self-study courses) recently launched a separate site to teach junior programmers both vibe coding and software engineering fundamentals.

Interactive platform for learning data structures and algorithms with 300+ problems and visualizations.
u/Comfortable-Break-40 · Reddit
I spent a year building a DSA learning platform with 111 interactive visualizers. Would love feedback. A few years ago, I failed interviews at Google, Amazon, and Microsoft. The reason was simple: I could code, but I never properly understood Data Structures and Algorithms. I spent almost a year learning DSA after that. During that time, I realized I don't learn by memorizing. I learn by building. And I couldn't find a tool that taught DSA the way I wanted to learn it. So I

Free tool to transform your source code into stunning, high-resolution HD images. Customize themes, backgrounds, and export perfect code screenshots for Twitter/X, blogs, and docs.
@ricka_dev · X
Building Syntax Code 🚀 A free tool to turn raw source code into high-res, beautiful images for X, blogs, and docs.

Get a personalized day-by-day career plan covering skills, salary, and milestones.
@JobRays_ · X
JobRays ( is an AI assistant that builds a custom, day-by-day plan to help you reach your biggest career goals without the usual guesswork.

Free platform with 500+ coding challenges, learning tracks, and live contests.
@sumitkdevcode · X

Convert OpenAPI specs and databases into MCP tools without coding.
mhmt_dmr · HN
MCP Gateway – Turn existing APIs and databases into MCP servers

Convert PDF, DOCX, XLSX, CSV, JSON, XML, HTML, Images to clean Markdown optimized for AI Agents, RAG, and Vector DBs. 100% Privacy-First, In-Browser Conversion.
@13SahajChawla · X
For professionals to redact their client's sensitive informations before giving AI to process it & while converting any kind of document to a structured MD file. Better quality outputs, 100% privacy with on-browser local processing, and fully free!

Learn data structures and algorithms through interactive visualizations and interview prep tools.
@aarsh_30 · X

Access multiple AI language models through a unified API interface.
u/DanTahirCode · Reddit
I built an open source coding agent with a personality - meet Klenny Code 🐾 Hey r/SideProject, my name is Dan Tahir, and I'm here to show off something I'm really proud of: Klenny Code, the open source coding agent with personality. A fully capable coding agent with memory and cross-project referencing, plus an assistant who can read your email, run scheduled tasks, pilot your browser, and be your corgi pal. Here's the pitch: bring your own OpenRouter API key, and Klenny wil

Browser-based tools for formatting, encoding, testing, and converting data.
4seasons · V2EX
devfun.org - 开发者(网络)工具集合 ## 访问地址 https://devfun.org ## 主要功能 - 本机 IPv4/IPv6 网络检查及 IP 信息查询 - 站点可访问性检查(支持全球区域) - 代理检查及代理全球出口检查 - 各类编解码、格式测试、文本格式化、校验密钥生成、文本处理、转换工具 欢迎大家使用,提供建设性的建议和意见!

Browser-based suite of 230+ free developer tools for formatting JSON, CSV, SQL, and text with complete privacy.
divsince1999 · Product Hunt
ToolSnippet 233+ free, 100% client-side developer & text tools