The Prompt Engineering Roadmap on roadmap.sh is a community-created step-by-step guide for learning prompt engineering in 2026. Roadmap.sh is an open-source platform that provides developer career roadmaps, learning resources, best practices, and projects, and is the 6th most starred project on GitHub with hundreds of thousands of monthly visitors.
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Prototypr Toolbox is a directory of design, UX and coding tools. It groups listings into categories such as AI, UI, accessibility, icons, prototyping and mixed reality, and offers a weekly list of the best tools.
Publishers Weekly is an international news website covering book publishing and bookselling. It publishes business news, book reviews, bestseller lists, commentaries, and sections on children's books, bookselling, libraries, international publishing, previews, authors, and PW Picks.
A wiki page listing community-developed alternate WebUIs for the qBittorrent BitTorrent client. The page states the list is non-exhaustive, that the WebUIs are provided on a best-effort basis, and that they are not officially supported. Entries include themes and custom interfaces, and the page notes issues should be reported in their respective repositories.
RAPT is a two-player HTML5 platformer where enemies block each level's exit. It uses a split-screen mechanic and includes a level editor that saves levels to a server account, with a public page listing custom levels. It works best in Google Chrome. The game and editor were made in 2010-2011.
Rephonic offers an interactive 3D audience graph for finding similar podcasts. It visualizes connections between podcasts drawn from Apple Podcasts' "Listeners Also Subscribed To" data, showing a show's neighbours and its neighbours' neighbours. The page notes it is best viewed on a desktop or tablet device.
Republic Labs is a free, searchable directory of AI SaaS tools with editorial Best-of rankings. It indexes tools from their official websites and publishes descriptions sourced from those pages. Paid listings cost $50/year and are labeled Submitted, without buying rank or featured slots.
A community-driven collection of roadmaps, articles and guides intended to help developers grow in their careers. It offers role-based and skill-based roadmaps, best practices and guides, covering topics such as frontend, backend, full stack, DevOps, data analysis and machine learning, and allows searching available roadmaps.
Roblox Den is a companion site for Roblox offering guides, tools and tips for the game. It includes databases of music codes, game codes and catalog item codes, along with tools such as admin commands, a username generator, color codes and emotes. The site also provides best games lists and decal IDs. An app and a browser extension extend access to its codes.
An interactive presentation explaining the basics of the Rubik's Cube through experimenting with centers, edges, and corners. It runs on the Cuber framework and can be controlled from the browser's JavaScript console with twist commands. It is best experienced in the latest version of Google Chrome.
RunPee is an app that indicates the best times to leave a movie without missing key scenes. It also reports whether extra scenes appear during or after end credits. New movies are added weekly, and the app is described as free and donation supported.
A collection of SaaS landing pages with a focus on copywriting and design, organized by page sections such as navbars, headers, features, pricing and testimonials. Each block lists best practices and includes articles and screenshots from landing pages. The site also offers a company browsing view and a design comparison feature.
Scolary is a platform that helps users discover the best scientific research tools for their workflow. It curates a comprehensive list of tools, providing descriptions and categories to save time and improve research efficiency. Users can explore tools across various disciplines and find software for daily scientific work.
A British Columbia government search page for finding information records released by the B.C. government, including information released regularly or released by request. It recommends that entered keywords be spelled correctly for best results.
A sorted list of technical on-page SEO best practices from 9elements, organized by HTML tags. It covers the title, meta description, heading, alt, canonical, Open Graph, responsive site meta and robots tags, with notes on recommended lengths and keyword use.
Sindhi TTS is a Hugging Face Space that generates speech from Sindhi text. Users input text and select a gender for the synthesized voice. The system works best with shorter messages.
SmartImage is a reverse image search tool offered in a Windows GUI version and a cross-platform Rdx version. It queries supported image search engines including SauceNao, IQDB, Ascii2D, trace.moe, and Yandex. Users can input images via direct links, drag-and-drop, clipboard, system context menu, or command line. The tool opens the best matching results in the user's default web browser.
SnapBot is an automation tool designed to help maintain Snap Streaks effortlessly. It logs into Snapchat, captures snaps with custom captions, and sends them to your best friends or groups, all through an easy-to-use script.
Special K is a PC gaming tool described as the Swiss Army Knife of PC gaming. It is best known for fixing and enhancing graphics, performance analysis and correction mods, and tools addressing PC game issues. It has stable and experimental versions, with the stable version updated every six months or so.
SpeedSolving is an online speedcubing community that started in 2006. It hosts a forum, wiki, weekly competitions, a timer and a media gallery. Members can ask questions, enter weekly competitions in WCA puzzle events and track their times and personal bests.
Star Fit is a tool for planning events with friends or coworkers. A user creates an event with a rough time period, enters preferences, and sends the link to participants. Results update live and show a heat-map of everyone's preferences, with the best time for the event duration calculated using STAR Voting. It is built on Crab Fit and its code is open source.
StillTasty is a shelf-life guide launched in February 2009 with a searchable database of shelf life information for thousands of foods and beverages. It answers how long items stay safe and tasty and how best to store them, drawing on government and other research.
Strong is a workout tracker and strength training planner for recording progress in the gym. It offers training planning, progress tracking, and visualization of best sets, max 1RM and body fat percentage with Strong PRO. It is available on iPhone, Android and Apple Watch, and Strong Accounts are free forever.
SvenEvils Playground is a Steam curator page focused on local multiplayer games for three or more players. It organizes curated lists by category, including local four-player brawlers, racers, platformers and co-op games, alongside a list of best four-player couch games available on Steam.