Tree-sitter
tree-sitter.github.ioGenerate concrete syntax trees that stay responsive while source code changes.
Generate concrete syntax trees that stay responsive while source code changes.
Shape tree joints and export lighter variants for games
A contract-testing service for checking compatibility between API and microservice consumers and providers.
An end-to-end testing platform spanning web, mobile, performance, and real-device workflows.
Configure native-code builds in a separate build directory, then compile and run registered tests.
A visual and code-based automation tool for functional web and desktop testing, with API and load features in the Ultimate edition.
Build a hierarchical personal knowledge base locally or on a self-hosted server.
Structure team knowledge in a page tree with rich blocks and links to active work.
Record, replay, and inspect UI tests for desktop, web, and mobile applications.
Real-device testing for mobile, web, and streaming applications, with Appium and Selenium automation.
Research tools for navigation, content and prototype questions
Manually inspect a website across real browser and device configurations, including private test sites.
Test your own web application with end-to-end, component, and API test workflows.
Build functional, security and performance tests for APIs, then automate the runs in CI.
An enterprise testing platform paired with managed testing services and a global tester community.
Build functional tests for SOAP and REST services from API requests and response assertions.
Keep rich-text or code notes in a hierarchical tree stored in a single database or file collection.
A cross-platform IDE for C, C++, Rust, PHP, and Node.js projects with filesystem workspaces and integrated debugging.
A terminal-native editor built around multiple selections, syntax-aware navigation, and language-server features.
Information-architecture tests alongside broader UX research methods
Navigate, search, preview, and manage directory trees from an interactive terminal view.
Run gray-box end-to-end tests against React Native apps on iOS and Android.
Create and run browser, mobile, API, performance, and accessibility checks with a hosted test platform.
A Python load-testing framework that models user behavior in code and scales traffic across workers.