Good to know: Free-use terms vary by tool and plan. When a card lists no tool-specific limit, check quotas, watermarks and export terms on the official page.
Mockuuups Studio is a mockup editor where you drop your design onto thousands of device and print mockups, available in the browser, as a desktop app and through Figma, Sketch, Penpot and Adobe Express plugins.
Create Mockups
Good to know: Requires desktop installation.
Notepad++ is a free source code editor and Notepad replacement for Windows; it is built on the Scintilla component and licensed under the GPL.
Code Editors
Good to know: Requires desktop installation.
Visual Studio Code is a Microsoft code editor that runs on Windows, macOS, Linux and in the browser (vscode.dev), with extensions, Git, an integrated terminal and debugging.
Code Editors
Good to know: Requires desktop installation.
Zed is a code editor from Zed Industries, written in Rust and designed for speed and for working with people and AI, running on macOS, Windows and Linux.
Code Editors
Good to know: Requires desktop installation.
Figma is a design tool for designing and prototyping interfaces on one canvas, working with a team and turning designs into code with Dev Mode; it is used through figma.com and desktop apps.
UI Design and Prototyping
Good to know: Requires desktop installation.
Rive is a tool for designing interactive animation and interfaces with state machines; it offers a browser editor and a desktop app, and its output runs in runtimes such as iOS, Android, web, Flutter, React and game engines.
3D Design and Web Animation
Good to know: Requires desktop installation.
Rotato is a mockup generator that places your own app or web design on the screens of more than 30 ready-made 3D devices and turns it into an animated video or image; it has a macOS app and a public-beta web version.
Create Mockups
Good to know: Requires desktop installation.
Spline is a 3D design tool for building 3D scenes with real-time collaboration in the browser and in Mac and Windows desktop apps, adding interactions and animation and exporting to the web, React and other formats.
3D Design and Web Animation
Good to know: Requires desktop installation.
Sublime Text is a paid text editor from Sublime HQ for Windows, macOS and Linux that emphasizes performance for code, markup and prose, with plugin support through a Python 3.8 API.
Code Editors
Good to know: Requires desktop installation.