SASBDB is a curated repository for small angle scattering data and models of biological macromolecules. It holds experimental data sets and models, deposited with experimental conditions, sample details, and derived models with fits to the data. The repository is browsable and searchable by organism, macromolecule type, model type, and other keywords.
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Scholarcy is a tool for summarizing and organizing research, built around AI-powered tools described as made specifically for academic papers. It converts long texts into interactive summary flashcards highlighting key information, and accepts imports including PDFs, book chapters, articles, Zotero, Google Drive and YouTube. Summaries can be enhanced and exported to other apps and citation managers.
SCiZE's Classic Warez Collection is a personal archive of filelists from 1990s BBS warez trading. It presents the lists as they originally appeared, including FILE_ID.DIZ ascii, and offers keyword and filename searches of release NFO files. Visitors can also browse the lists on the owner's BBS.
A service for sharing text, files and redirects through links that are end-to-end encrypted and destroyed after viewing. The encryption key is part of the link and is never sent to the server. An API for text-based secrets requires an active subscription. Free plan available; paid plans billed annually.
Seahorse is a password and encryption key manager for GNOME. It manages passwords and keys, including PGP, GPG and SSH keys. The project is developed in the GNOME GitLab group under a GNU General Public License v2.0 or later.
Searchcraigslist.org is a third-party search tool for Craigslist. It enables users to search all Craigslist classified listings nationwide, rather than being limited to local area results. Users can enter keywords to find items or services, add terms to refine searches, or use minus signs to exclude specific terms from results. The site also hosts informational articles related to selling items on Craigslist, including guidance on creating effective ad images. It is not affiliated with Craigslist.
A British Columbia government search page for locating and downloading specific documents, such as receipts, notes, letters, memos and reports, that correspond to information releases and travel expense records. It advises using the catalogue search by keyword and information type when the document is not known.
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.
Searches Twitter bios and profiles to find accounts by keywords, interests, locations, or roles.
Search engine for finding public Telegram posts, channels, and discussions by keyword.
searchcode.com is an MCP server providing structured code intelligence for LLMs, with six specialized tools to analyze, search and retrieve code from public git repositories. It is free during beta with no signup or API key.
SearchFiles.de is a file search engine that searches for content in files hosted on services including Mega, Mediafire, 4shared, and Easy-Share. It allows users to filter results by keyword location and date range, requires JavaScript to operate, and can be added to browser search bars.
SearchJumper improves browser search, context search, or keyboard navigation through results.
Searches Instagram bios by keyword to find public profiles, interests, and creator niches.
Semantic Cache Router is a distributed semantic cache and stateful routing system hosted on GitHub. It includes documentation covering the problem it addresses, its solutions, key strengths, and system architecture.
Semrush is a platform for growing and measuring brand visibility across AI search, SEO, PPC, and social. Its toolkits cover keyword research, competitor analysis, backlink analysis, technical site audits, content creation, local search visibility, and tracking of brand appearances in AI-generated answers. A free trial is offered.
Send From Duck is a tool for sending emails from DuckDuckGo private duck addresses. It asks for the addresses to send to and the address to send from, and requires a DuckDuckGo API key.
Sentinel is a studio that builds privacy-first apps for iOS, macOS, Android and the web. Its listed apps include Authenticator for two-factor authentication, Squidly for merging wallet and exchange balances, Crypto Warden for storing crypto seed phrases in iCloud Keychain, Turbo Jobs for CV tailoring and a Quotes App.
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.
seo-audits-toolkit helps research keywords, search demand, related terms, and content opportunities for SEO.
Seodity is an SEO toolkit offering keyword research, competitor analysis, content generation with AI, rank tracking and backlink checking. Plans have monthly limits covering projects, tracked keywords, audits and AI articles.
Seoformulas helps research keywords, search demand, related terms, and content opportunities for SEO.
Serp Miner helps research keywords, search demand, related terms, and content opportunities for SEO.
Serplux is an AI SEO tracker for search engine automation. It offers AI agents for SEO strategy, content ideas, competition analysis, keyword position tracking and UX review. The page states a free forever plan with no credit card and access to all AI agents.