CodingBat
codingbat.comShort Java exercises grouped by language technique
Short Java exercises grouped by language technique
A browser IDE for running short code samples or building supported multi-file projects across many languages.
Build browser interfaces with declarative components compiled from HTML, CSS, and JavaScript.
A browser editor for micro:bit projects with Blocks, JavaScript, Python, and a device simulator.
Build web pages and command-line programs with a general-purpose scripting language and interpreter.
Inspect a website in remote browser sessions to reproduce cross-browser and responsive-layout issues.
Monitor service health, performance, and availability across managed datacenter and hybrid workloads.
Build database reports with a Windows designer and publish through a .NET web server.
Centralize alert rules across metrics, logs, and database sources you already run.
Define metrics and dashboards in a versioned project shared by visual and code tools.
UX research articles and training in live and self-paced formats
Design courses, a free UX library and community learning resources
Election and meeting ballots with separate simulation and full test modes
Onvo AI turns your data into live dashboards you can share.
Inspect, reshape and query tabular files from a composable command-line toolkit.
A transactional hierarchical key-value database with interfaces for multiple programming languages.
Investigate database health and query bottlenecks across a mixed database estate from one console.
A graphical administration and development interface for PostgreSQL servers.
An open-source distributed NoSQL database built around partitioned rows.
Access market history through APIs, files or SQL
iPhone and iPad drawing with community challenges and co-ops
A PHP IDE for project navigation, refactoring, framework work, testing, and debugging.
A Java teaching IDE where learners program actors and see their code run inside interactive worlds.
A beginner-focused BASIC IDE with instant graphics, a step debugger, and a browser-based WebAssembly edition.