cryptpad.fr
Encrypted collaboration suite for documents, spreadsheets, forms, kanban boards, and shared notes.
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sqlitebrowser.org
DB Browser for SQLite is a visual, open source tool for creating, searching, and editing SQLite or SQLCipher database files. It offers a spreadsheet-like interface alongside full SQL query facilities and works on Windows, macOS, and most versions of Linux and Unix.
Exports Twitter followers to spreadsheets for list building, analysis, and account research.
elephas.app
Elephas is a private AI tool that answers questions from a user's own documents, showing the source for every answer while files stay stored on the computer. Documents such as PDFs, Word files and spreadsheets are indexed locally, and users choose whether answers come from Elephas AI, their own API key or a local model. It runs on Mac, with Windows described as coming soon.
metricsparrow.com
A web tool for generating possible email addresses for a contact. Users enter a name, optional nickname and middle name, and up to three domains, then copy the resulting addresses. It is the first part of the Metric Sparrow Toolkit and extends Rob Ousbey's permutator spreadsheet.
engineersedge.com
Engineers Edge is an engineering reference site offering calculators, charts and tools for structural, mechanical and design work. It includes beam and stress calculators, fastener and bolt design resources, flat plate deflection equations, and applications such as a 2D statics modeler, GD&T writer and gear builder. Premium design and engineering spreadsheets require an annual membership.
ethercalc.net
Collaborative web spreadsheet for editing tables and calculations with multiple users in real time.
rowspeak.ai
Excelmatic, offered by RowSpeak, is an AI-powered data analytics tool that processes messy Excel, CSV, PDF, and image tables. It uses AI to identify trends, explain data changes, generate charts, dashboards, and reports, cleanse data, and convert files between formats including images and PDFs to editable Excel spreadsheets.
figurelabs.ai
FigureLabs is an AI scientific figure generator that creates illustrations, flowcharts and plots. It accepts text, sketches, lab photos, spreadsheets, PDFs or reference figures as input, then allows editing of text, colors, backgrounds and resolution on a canvas. Figures can be exported as editable PPTX or SVG, or as PNG and JPG images.
flippity.com
Education tool site with templates for turning spreadsheets into games, flashcards, and activities.
docs.google.com
Spreadsheet of protest-related police violence videos and incident documentation.
gnome.pages.gitlab.gnome.org
Gnumeric is an open-source spreadsheet program. The project states that it starts up quickly and handles large spreadsheets while remaining responsive. Its source code is available under the GNU General Public License version 2 or version 3. The site also lists release notes and resources such as a user's manual and mailing list.
github.com
Grid studio is a web-based spreadsheet application with full integration of the Python programming language.
docs.google.com
Htmlview is a public Google document or spreadsheet containing organized links, notes, data, or resources.
libreoffice.org
LibreOffice is a free, open source office suite developed by a community and a project of The Document Foundation. It includes six tools: Writer for word processing, Calc for spreadsheets, Impress for presentations, Draw for diagrams and 3D illustrations, Base for databases, and Math for formulas. The project offers no-cost downloads and community assistance rather than technical support from the foundation.
docs.google.com
Math Resources is a public Google document or spreadsheet containing organized links, notes, data, or resources.
onlyoffice.com
ONLYOFFICE is an open-source office suite providing document editing for text, spreadsheets, presentations, PDFs and fillable forms. It offers desktop and mobile apps, online editors, AI assistants for content generation and analysis, and connectors for integrating the editors into other platforms. It can run on a user's server or in the cloud.
openmyfiles.com
OpenMyFiles is an online file information directory. It provides categorized listings of file formats and associated programs, with top categories including archive, audio, data, raster image, spreadsheet, executable, vector image and video files.
proton.me
Proton Sheets is an end-to-end encrypted online spreadsheet application from Proton. It enables users to protect and analyze sensitive data, collaborate with clients, and keep teams aligned. The software supports importing Excel or Google Sheets files, real-time collaboration, calculations, budgeting, project management, and progress tracking. It is part of Proton Drive's suite of productivity tools.
docs.puddletag.net
puddletag is an audio tag editor primarily created for GNU/Linux, similar to the Windows program Mp3tag. It uses a spreadsheet-like layout so tags can be edited by hand and visible. It supports extracting tag information from filenames, renaming files based on tags with patterns, and basic tag editing. Functions include text replacement, trimming and case conversion, and Actions automate repetitive tasks. Web lookups using Amazon, Discogs, FreeDB and MusicBrainz are supported.
docs.google.com
QO & SPECTRE is a public Google document or spreadsheet containing organized links, notes, data, or resources.
quadratichq.com
Quadratic is an AI-powered spreadsheet that connects to various data sources and provides fast, explainable insights. Users can ask questions in plain English and the AI generates formulas, code, and charts. It supports connections to CSVs, Excel, PDFs, and databases like Postgres and Google Analytics. The platform is used by over 250,000 people at companies and universities.
github.com
Querytool is an OSINT framework based on Google Spreadsheet. With this tool you can perform complex search of terms, people, email addresses, files and many more.
spreadsheets-are-all-you-need.ai
SAAYN (Spreadsheets are all you need.ai) is a platform that teaches artificial intelligence topics using familiar spreadsheet tools. It launched with a project implementing the GPT-2 model in Excel to demonstrate that AI concepts can be understood with accessible tools, and its core mission is to make complex AI topics easy to understand without oversimplifying them.