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Ruffus is an open-source computation pipeline library for Python, used in science and bioinformatics. It is designed to automate scientific and other analyses with a lightweight, standard-Python syntax, and can be installed from the Python Package Index.
Runcell is an AI agent for Jupyter notebooks that automates writing and executing Python code, debugging, and explaining data analysis results. It operates within the notebook environment, inspecting context and planning multi-step workflows autonomously.
RWA.xyz tracks specialized crypto metrics such as networks, unlocks, staking, or tokenized assets.
Analyzes structured data and helps produce queries, insights or visualizations.
Basic sampling algorithms for Julia.
Analyzes structured data and helps produce queries, insights or visualizations.
Analyzes structured data and helps produce queries, insights or visualizations.
A PHP package providing a fluent builder for all Schema.org types and their properties. Its classes are generated from Schema.org's JSON-LD standards file, and types can be converted to arrays, rendered to scripts, or encoded as JSON. Installation is via composer.
Scientific Data Repository is an interactive online data repository that provides real-time visual analytics and interactive data mining and exploration capabilities. It hosts hundreds of datasets across categories including bioinformatics, educational, healthcare, and miscellaneous data, with features such as node and link manipulation, automatic graph layouts, and export of graphs, data, and statistics.
SciRuby is a project providing tools for scientific computing and data visualization in Ruby. Its releases include NMatrix, a linear algebra library with dense and sparse matrix storage and tensor support, alongside visualization and statistics gems. The project describes itself as currently alpha, and it notes its gems are tested but not battle-hardened. SciRuby and NMatrix are available under the BSD three-clause license.
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.
Scruffy is an unofficial fork of the Ruby graphing library, based on the official 0.2.5 release, intended for hi-resolution graphs and charts. It renders to SVG or bitmap formats such as PNG and JPG. The fork is marked as not maintained.
Seaborn is a Python data visualization library based on matplotlib. It provides a high-level interface for drawing statistical graphics, and covers relational, distribution, categorical, regression and multi-plot grids, along with figure theming and color palettes.
Personal site of Sean J. Taylor, who describes himself as a data scientist, social scientist, statistician, and software developer. It links to his background, videos and podcasts, and writing on data science, social science, experimentation and statistics, forecasting, and software. The page also notes he is a co-founder and chief scientist at Motif Analytics.
Searches Twitter bios and profiles to find accounts by keywords, interests, locations, or roles.
search-engine-optimization is an open source tool or library for SEO, metadata, crawling, routing, or website optimization.
SearchAttention helps plan, write, optimize, or analyze content for SEO and search visibility.
SearchSocket helps plan, write, optimize, or analyze content for SEO and search visibility.
SearchTempest is a classified ad search engine that lets users search listings across Facebook Marketplace, craigslist, eBay and other platforms. Results can be filtered by U.S. state, driving distance, or users may search all available listings at once. The site is not affiliated with Facebook or craigslist, and has operated from 2006 through 2026. It stores user IP addresses, browser type, page view data and entered search filters for site administration, analytics and partner advertising use.
SearchTweaks is a website offering tools to improve web search experiences, specifically enhancing Google search functionality. Its tools are organized into four categories: Query Builders, News-Related Search, Time-Related Search and Search Utilities. Some tools simplify existing Google features, while others add new search capabilities. The site requires JavaScript to function, is designed for desktop use, and does not rely on the Google API or web scraping. It uses Simple Analytics for privacy-focused usage tracking.
Semrush's Keyword Magic Tool helps research keywords, search demand, related terms, and content opportunities for SEO.
SEO Minion tracks rankings, SERP visibility, and keyword performance across search results.
SEO PowerSuite helps analyze backlinks, find link opportunities, and support SEO outreach workflows.
SEO Review Tools helps plan, write, optimize, or analyze content for SEO and search visibility.
