Wokwi is an IoT and embedded system simulator for ESP32, STM32, Arduino, Raspberry Pi Pico, displays, sensors, motors and WiFi, run online in the browser. It also offers options for VS Code, CI and JetBrains, plus a classroom offering used by universities and organizations.
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Women Writers in Review is a digital collection published by the Women Writers Project at Northeastern University, created as part of the Cultures of Reception initiative. It aggregates eighteenth- and nineteenth-century reviews, publication notices, literary histories, and other texts that respond to works by early women writers, and offers tools to explore content by authors, works, sources, and tags, plus filtering facets.
Wordtune is an AI writing assistant that helps users rewrite, paraphrase and refine text, adjust tone between casual and formal, correct spelling and grammar, and continue writing from existing text. It also offers translation intended to make writing sound like native English, plus a smart synonym generator. Free, Advanced and Unlimited plans are listed.
The X-Ray Database is a reference from the Center for X-Ray Optics at Lawrence Berkeley National Laboratory. It provides access to atomic scattering factor files and lookups of x-ray properties of the elements, plus calculations for index of refraction, attenuation length, transmission, reflectivity and diffraction efficiency. It cites X-ray interaction data covering E=50-30000 eV for Z=1-92.
Interlude is a free-to-play keyboard rhythm game built for fun, currently in open beta with latest release 0.7.28.6. It allows importing songs, scores and skins from other games, customising hit windows and mechanics via rulesets, and editing noteskin and HUD in-game. It includes in-game downloads for songs and noteskins, plus an Endless mode system.
A website dedicated to language learners that hosts FSI, DLI and Peace-Corps courses, plus Shtooka audio collections and Cortina courses. It also offers tutorials for importing vocabulary lists, digitizing documents and recording word or phrase lists. The site states the FSI and Peace-Corps parts are finished and DLI is on the way.
An OSINT toolkit page grouping search and analytics tools for YouTube, Periscope, Twitch and Dailymotion. For YouTube it lists general, title, exact phrase, channel, playlist and upload date searches, live videos, channel analytics and comparisons. Periscope tools cover general and account search plus video metadata, while Twitch and Dailymotion tools cover channel search, analytics and video search. Some tools require the channel name or video ID.
YouTube Comment Viewer is a viewer for YouTube comments. It sorts comments by oldest first and graphs comment trends. The page provides options for time zone, aggregation by hour, day, month or year, and filtering, plus loading statistics for a video.
A step-by-step guide for streaming and saving YouTube videos in the MPC-HC player using yt-dlp as a helper. It explains placing yt-dlp.exe and ffmpeg.exe in the MPC-HC folder, opening links and saving copies, plus quality selection and notes on which builds are available.
ZeroSSL is a certificate authority offering free 90-day SSL certificates and premium annual certificates. It supports automated issuance and renewal via ACME clients and a REST API, plus one-step validation, wildcard and multi-domain certificates, installation checks and SSL monitoring.
zkBob is a Web3 smart-contract privacy wallet based on zero-knowledge proof technology. It supports private peer-to-peer transfers and private multitransfers of up to 127 in one transaction, plus a cross-chain exchange widget. It supports USDC on Polygon and ETH and USDC on Optimism, with additional tokens and networks planned.