textquery.app
Chart Builder is a free client-side tool for creating pie, bar, line, area, scatter and donut charts from CSV or TSV data. It sends no data related to input to servers, and the charts can be used anywhere.
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charts.hohli.com
Charts Builder is an online service for working with the Google Charts API. The Google Chart API lets users dynamically generate charts, and the service allows updating input data and changing the style of a chart preview.
superset.apache.org
Apache Superset is an open-source data exploration and visualization platform. It offers a no-code visualization builder and a SQL IDE, connects to SQL-based databases, and ships with more than 40 pre-installed visualization types. It includes dashboards, a chart builder, SQL Lab and datasets, with a plug-in architecture for custom visualizations.
askyourdatabase.com
AskYourDatabase is a tool for querying SQL databases in natural language, returning SQL, answers, and charts. It supports PostgreSQL, MySQL, SQL Server, BigQuery, Snowflake, and other engines. Offerings include a Windows or macOS desktop app, an embeddable website chatbot, a dashboard builder, and a private deployment option for organizations with hosting or data-handling requirements.
dapplooker.com
DappLooker offers free blockchain analytics for smart contracts, subgraphs, DeFi, NFT, gaming, SocialFi, and RWA. It allows analysis and querying of on-chain and off-chain web3 data from Ethereum and Polygon. The platform includes a no-code analytics tool with a visual query builder and drag-and-drop dashboard editor.
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.
laevitas.ch
Laevitas provides crypto derivatives data and analytics across more than 15 exchanges and over 1,000 assets, covering options, perpetual and dated futures, and order books. It offers an options strategy builder, options backtesting and a spread analysis suite, plus programmatic access through a REST API, WebSocket and an MCP server for AI agents. Premium and Enterprise plans can be paid with USDC.
surveyheart.com
SurveyHeart is a free online form, survey, poll and quiz builder. Users create forms by drag and drop with 22 question types, share them by link, QR code or WhatsApp, and view results in charts. Responses can be exported to Excel, CSV and PDF. It runs in a browser and as Android and iOS apps.