GNU Emacs
gnu.orgShape a text editor into a personal development environment using Emacs Lisp and an extension package system.
Shape a text editor into a personal development environment using Emacs Lisp and an extension package system.
A cross-platform TeX editor that keeps source editing and PDF preview in one typesetting workspace.
An icon and cursor editor with alpha, gradient and drawing controls.
PDF editing with desktop, online, and scanner apps
An extensible IDE for Ada and SPARK projects, with integrated editing, build, navigation, and debugging tools.
A Windows icon and cursor editor with image conversion and resource editing.
A mobile code editor for editing web and source files, previewing pages and using terminal or remote-file tools.
A free, open-source Markdown editor for research notes and long-form writing.
Edit Python modules in a desktop window, run them in an interactive shell, and debug them with built-in tools.
Windows PDF editing with a free feature set and perpetual licenses
A cloud development workspace with browser and virtual-machine sandboxes plus a VS Code-based editor.
A BASIC development environment with an integrated IDE, compiler, interpreter, and graphical components.
Write, compile, and upload sketches for Arduino boards in a desktop IDE.
Keep a Markdown wiki in portable files, on a desktop or a server you control.
Edit Markdown notes with a desktop app designed to work with a notes folder and Nextcloud.
A beginner-focused BASIC IDE with instant graphics, a step debugger, and a browser-based WebAssembly edition.
An engineering programming environment for developing algorithms, analyzing data, and visualizing results.
Capture desktop activity locally, review a workday, and sync approved time into projects and invoices.
Schedule professional projects locally with Gantt charts, critical paths, resources, and cost tracking.
Personal finance registers with a bill calendar and offline option
An open-source desktop notebook for stylus handwriting, PDF markup, layers, and audio notes.
A visual and code-based automation tool for functional web and desktop testing, with API and load features in the Ultimate edition.
AI website builder that creates a site from a business description and works on mobile or desktop.
Multichain wallet with desktop access and backup-file recovery