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 Free Pascal IDE with a visual form designer and integrated build and debug tools.
Edit source files and send build or run output to an integrated pane on Windows or Linux.
AI tool that generates code, tests, docs and diagrams from plain instructions.
A terminal text editor with familiar keybindings, multiple cursors, splits, and Lua plugins.
A browser IDE that pairs a cloud Linux workspace with a code editor, terminal, and server tools.
A project-based JavaScript and TypeScript IDE with code navigation, refactoring, testing, and debugging tools.
Turn source code into a styled image with editable colours and spacing.
An extensible IDE for Ada and SPARK projects, with integrated editing, build, navigation, and debugging tools.
Edit code on macOS with project search, multiple carets, bundles, and version-control actions.
A cross-device Markdown editor with a free writing core and an optional lifetime Pro upgrade.
Summarize files, code, comments, and blank lines across a project by programming language.
A layered icon editor with image, 3D-model and component-based workflows.
An interactive Python IDE that pairs a source editor with a shell and introspection tools.
A local Markdown editor for people who want rich text and source files in their own folders.
A browser IDE for running short code samples or building supported multi-file projects across many languages.
A browser-based Dart and Flutter workbench for running small programs and UI samples.
Edit, run and share short Kotlin examples in a browser without first creating a full project.
Create a cloud development environment for a repository and edit it in a browser-based VS Code workspace.
A desktop IDE with a source-first editor and a separate AI-led task workflow.
Automate unit and regression testing for embedded C/C++ software, from test design to target execution and coverage analysis.
Write visual sketches in a desktop editor and run them in a graphics window with Processing.
A cross-platform TeX editor that keeps source editing and PDF preview in one typesetting workspace.
Prepare screenshot, code and app-showcase graphics in one visual editor.