SurveyJS
surveyjs.ioJavaScript form components with custom validation and data kept in your application
JavaScript form components with custom validation and data kept in your application
An offline desktop toolkit for quick developer transformations, encoders, and text utilities.
A terminal text editor with familiar keybindings, multiple cursors, splits, and Lua plugins.
Retrieve and submit file, URL, domain, and IP threat-intelligence objects through a REST API.
Retrieve domain records through a Windows graphical interface
A private mobile journal with on-device encryption, voice capture, and AI reflections.
Browser speed measurements with history and CSV export
Create word clouds from text or two-column CSV
Compare CSV lists and transform plain text
Edit a colour system in perceptual coordinates and copy design tokens.
Transactional email sending and inbound messages forwarded as JSON
Edit encrypted configuration without losing its familiar structure.
AI receipt scanner and bookkeeping software for small businesses
Apple expense tracking with a free starter budget and recurring-entry controls
Explore Lightning nodes, decode invoices and monitor channel activity
Work with files and command output as structured records and tables in a cross-platform shell.
Query and deliver institutional pricing and reference data
Run a lightweight flat-file wiki without configuring a database.
AI review analytics and marketplace data for sellers and brands
Web data API to search, scrape and interact with the web for AI agents
Search palette ideas by theme or hex value and export the colours
Calculate portfolio returns from a complete transaction history
Hosted forms with verified notification recipients and a response inbox
Retrieve financial series, indicators and market news through APIs