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BabelPad is a free Unicode text editor for Windows that supports the proper rendering of most complex scripts, and allows you to assign different fonts to different scripts in order to facilitate multi-script text editing.

Brunch lets you focus on what matters most — solving real problems instead of messing around with the glue.

Rational Software Architect is an object-oriented Unified Modeling Language (UML) software design tool intended for visual modeling and component construction of enterprise-level software applications.

Aqueduct is an open-source MLOps framework that allows you to write code in vanilla Python, run that code on any cloud infrastructure you'd like to use, and gain visibility into the execution and performance of your models and predictions.

EduBlocks is a visual block based programming tool that will hopefully help teachers to introduce text based programming languages, like Python, to children at an earlier age.

Polypane is a browser built from the ground up to create websites and apps. Polypane is the only browser that lets you develop a website for all viewports and devices at once, and gives you the best overview of them.

An open source time-tracker with an interactive user experience and powerful reporting.

C# and Razor compiler playground in the browser via Blazor WebAssembly.

Visual Composer is an advanced website builder for WordPress. Create a WordPress website with intuitive drag and drop editor. Any Layout. Fast And Easy.

Pygame is a set of Python modules designed for writing video games. Pygame adds functionality on top of the excellent SDL library. This allows you to create fully featured games and multimedia programs in the python language.

Using AppImageKit you can package desktop applications as AppImages that run on common Linux-based operating systems, such as RHEL, CentOS, Ubuntu, Fedora, Debian and derivatives.

Plunker is an online community for creating, collaborating on and sharing your web development ideas.

Deepnote is a collaborative data science notebook built for teams that is shareable, Jupyter-compatible, and runs in the cloud.

Coverity Scan Static Analysis allows to find and fix defects in your Java, C/C++ or C# open source project for free.

Create amazing applications visually and export to HTML/CSS/JS or directly to a native Windows .exe. No subscriptions, no hidden fees. What you create works offline without dependencies.

Sanity is a hosted backend for structured content with a real-time API, globally distributed CDN, and a powerful, but simple query language. A headless CMS with an open source React-based editor, that can be configured with basic JavaScript.

The Ultimate Algorithmic Mock Data Engine. Stop mocking with random strings — generate cryptographically valid test data. 390 types · 6 locales · Zero dependencies · CLI (Local Serverless) + MAVEN + REST API + Pyton LIb + JMeter Plugin.

Flowise is a drag & drop UI to build your customized LLM flow visually using LangChain.

The team channel for AI coding agents: one shared project for a team's Claude Code, Codex, Cursor or Gemini CLI agents, each person on their own subscription.

This tool lets you generate normal maps for 2D textures, with little effort. Specially designed for Sprites in 2D games.

Sencha Touch allows you to develop mobile web apps that look and feel native on iPhone, Android, and BlackBerry touch devices.

Amazon Lex is a fully managed artificial intelligence (AI) service with advanced natural language models to design, build, test, and deploy conversational interfaces in applications.

WinDbg is a multipurposed debugger for Microsoft Windows, distributed on the web by Microsoft as part of the Debugging Tools for Windows. It can be used to debug user mode applications, drivers, and the operating system itself in kernel mode.

A general purpose real-time charting library for building beautiful, smooth, and high performance visualizations.

Codeless test automation with a simple, intuitive drag-and-drop user interface. Complex tests can be created and maintained easily by any member of your team, enabling QA to keep pace with development while reducing costs.