Generates random face images for testing, design projects, and sample user profiles.
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Run Repeat is an independent footwear review platform. It has tested over 1,000 shoe models, purchasing all units with its own funds and conducting standardized wear and lab testing across more than 30 parameters per shoe. The platform also offers prototype testing services, data licensing, and media partnership options for industry partners.
Screaming Frog SEO Spider is a website crawler for Windows, macOS and Ubuntu used for technical SEO site audits. It audits sites for over 300 SEO issues and can find broken links, audit redirects, analyse page titles and meta data, and generate XML sitemaps. A free version is available.
SEO Gets is a Google Search Console and GA4 analytics tool for SEO professionals. It offers a master dashboard consolidating search console websites, content groups, striking distance, cannibalization and content decay analysis, index reporting and monitoring, and an MCP server for plugging SEO data into AI assistants. Magic share links share dashboards without requiring account creation.
SEO Utils is an SEO desktop application for macOS, Windows and Linux. It covers traditional SEO, local SEO and AI search optimization, with tools for tracking rankings across Google, Bing, ChatGPT, AI Overviews and AI Mode, LLM rank tracking, log file analysis, an MCP server, NLP text analysis and an embedding database.
Shodhganga is a repository maintained by the INFLIBNET Centre for Indian Ph.D. theses. It captures, indexes, stores, disseminates and preserves electronic theses and dissertations submitted by researchers, making them available through open access. Regional language translation support is in a testing phase. Membership is not offered to colleges.
Online SQL editor for writing and testing SQL queries without setting up a local database.
Statsmodels is a Python module providing classes and functions for estimating statistical models, conducting statistical tests, and statistical data exploration. It supports model specification using R-style formulas and pandas DataFrames, and is released under the open source Modified BSD (3-clause) license.
StudyCraft is an open source, free study tool available for Windows, MacOS and Linux. It allows users to import study materials including PDFs, Markdown files, webpages and GitHub repositories, which are automatically indexed into a vector database for semantic search. Users can customize their imported content, and the tool automatically generates flashcard decks and practice tests, plus provides study session analytics to track progress. It supports self-hosted and cloud-hosted large language model integrations and is built for fast performance.
System Designer is a learning site offering interactive lessons and case studies on system design. Its Machine Learning Systems section covers building production ML systems, from data pipelines to deployment, with topics such as distributed training, model serving, MLOps monitoring and A/B testing. Lessons are organized into units with stated difficulties and durations.
TechBone provides visual step-by-step guides for devices from brands including Samsung, Apple, Xiaomi and Huawei. The site states it offers over 3,100 interactive guides covering 4,600+ devices, with live simulators for testing menus. Topic hubs cover areas such as connections, SIM management and mobile data.
Untap.in is a free, browser-based table for play-testing trading card game decks. Users can build decks from card databases, import decklists, play live against opponents, goldfish solo, run drafts, and spectate matches. It runs on desktop, tablet, and phone without downloads and does not enforce game rules.