DrumBit is a web-based drum machine built with HTML5 and compatible with modern browsers. It lets users choose drum kits, create, save and edit drum patterns, apply filters and room effects, and record patterns as audio files. It aims to be easy to use.
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Fbrushes is a collection of free high quality Photoshop brushes, Photoshop patterns and textures. The site states that all featured brushes, patterns and textures are copyright of their respective owners unless otherwise noted. It describes itself as a medium to help designers spread their work.
FlagLookup.com is a searchable flag database for identifying flags by visual features such as colors, symbols, shapes and patterns. It covers country and US state flags, allows exploring color combinations and searching by shapes and patterns, and turns flag sets into interactive quizzes.
FreeSewing is open source software that generates bespoke sewing patterns. It is intended for home sewers and fashion entrepreneurs, offering a library of parametric designs that users can customize with their measurements to create personalized patterns. The project does not sell products, display advertising, track users, or sell personal data, and is financially supported by patron contributions.
GoldBox is an online tool for sketching and sharing instrumental music. Notes are placed into patterns that can be edited one at a time, and several rows of patterns can play simultaneously, with the bottom row reserved for drums. It is a mod of Jummbox developed by Aury, which itself follows BeepBox.
Magic Patterns is an AI design tool for product teams that turns prompts into production-ready UI. It can use existing components and design rules to generate prototypes, and offers an infinite canvas with collaboration. A changelog describes PDF uploads and export options.
PatternPad creates graphical patterns from adjustable parameters, offering millions of variations and hand-picked colour palettes. Designs can be exported in PNG, JPG or SVG format for use in presentations, social media or branding. The site states that PatternPad is free of charge and that patterns may be used commercially with credit and a link to PatternPad, though the artwork itself may not be resold.
Analyzes Reddit users to show activity, common subreddits, vocabulary, and posting patterns.
Estimates a Twitter user’s likely sleep schedule from posting times and activity patterns.
Tabbied offers free website templates organized by trade, using generated patterns instead of stock photos. Templates can be customized and downloaded as HTML/CSS or React, and patterns are available as PNG and SVG. Documentation covers React, Vue, Nuxt, Svelte, SvelteKit, web component and plain HTML setups.
Addressable integrates with a technology stack and enriches wallet and device data to produce predictive and risk signals. Its anti-fraud offering flags fraud rings, money laundering patterns and bonus abuse with wallet-level evidence. The platform describes identifying high-value users from public on-chain intelligence and is marked early access.
Domain intelligence tool for researching WHOIS data, ownership patterns, and connected domains.
GitHub dorking tool for finding exposed secrets, files, and sensitive patterns in repositories.
uBlacklist is a browser extension that prevents specified sites from appearing in Google search results. Rules can be added from search result pages or by clicking the toolbar icon, using match patterns or expressions with regular expressions and variables. Rulesets can be synchronized across devices via cloud storage or browser sync, and public rulesets can be subscribed to.
AbyssBox is a browser-based tool for sketching and sharing instrumental music. Notes go into patterns that can be edited and played automatically, and song data is stored in the URL for saving and sharing. It is a mod of BeepBox developed by choptop84.
AI Context Linter is a GitHub Action that checks AI coding context files such as CLAUDE.md, .cursorrules and AGENTS.md for security issues, structural problems and AI anti-patterns. It auto-detects context files and runs 12 rules, including detection of hardcoded API keys and leaked home directory paths. Rules cover structure, vague or conflicting instructions and file-type specifics, with configurable token limits and disabled rules.
Antique Pattern Library is an ongoing project that scans public domain craft pattern publications to preserve craft heritage. It provides free, graphically edited scans of patterns for activities including knitting, crochet, embroidery, lacework, sewing, woodworking, and bookbinding, available for educational, personal, artistic and other creative uses. The project also seeks trained librarians or humanities scholars to assist with cataloguing work.
An archive of ASCII art offering a gallery of drawings, patterns, borders, dividers, and one-line works, alongside historic Usenet messages. It also links to tools including an online ASCII Draw Studio for creating and editing text-based artwork in the browser.
A free website offering Discord profile pictures that resemble the default icons. It provides patterns such as gradients, blasts, lines, stairs, checkerboards, tessellation, weave and dots. Users tap or click an icon to download it, then set it as their avatar through Discord's profile settings.
Building Effective Agents is an Anthropic engineering publication that details the company's approach to developing reliable large language model (LLM) agents. It covers research on agent capabilities, safety considerations, technical frameworks, and practical guidance for developers, noting that simple, composable patterns are more effective than complex frameworks for successful agent implementations. It also references Anthropic's Claude Managed Agents.
BurnRate is an AI usage analytics tool that tracks costs, tokens and usage patterns across AI coding providers. It connects OpenAI and Anthropic reporting accounts for provider-reported spend and offers a local CLI for session-level detail. Cloud workspaces come in Free, Pro at $12/month and Team at $29/seat/month plans.
cholyknight is a site run by Choly that designs and sells kawaii sewing patterns. It hosts weekly free pattern releases, limited store-wide sales, and themed in-the-hoop plush files including seasonal and licensed franchise collections.
CoolBackgrounds is a web-based collection of tools for generating colorful background images suitable for use as blog and website visuals, desktop wallpapers, or mobile wallpapers. The platform currently offers tools for creating trianglify abstract triangle patterns, particle graphics, CSS gradients, gradient topography designs, and accessing images from Unsplash, with plans to add more tools over time.
The Database of Zeolite Structures provides structural information on Zeolite Framework Types approved by the Structure Commission of the International Zeolite Association. It is searchable and includes framework descriptions and drawings, crystallographic data, simulated powder diffraction patterns, references and framework chemical compositions. A separate database describing disordered zeolite structures is integrated under the Intergrowths tab.