Alternatives to Akira for all platforms with any license

Inkscape

An Open Source vector graphics editor, with capabilities similar to Illustrator, CorelDraw, or Xara X, using the W3C standard Scalable Vector Graphics (SVG) file format....

Free Open Source Mac Windows Linux Windows S BSD ... PortableApps.com X11 MacPorts XQuartz
Vectorize raster images Support for Layers SVG Editors Boolean operations ... Comma Separated Values Curve Manipulation High-res Vector GRPHX Works Offline Over-The-Top (OTT) Edit PDF SVG Editors UI customization Vector-like Add a feature

1653 Like
Pencil Project

Pencil is a standalone app or Firefox extension that lets you create diagrams or UI mockups. It doesn't have collaboration/multi-user features. The Pencil...

Free Open Source Mac Windows Linux PortableApps.com Electron / Atom Shell ... Firefox
Cliparts Firefox Extensions Wireframing Add a feature

340 Like
Affinity Designer

Affinity Designer is the fastest, smoothest, most precise vector graphic design software available. Built from the ground up over a five-year period, every feature...

Commercial $ $ $ Mac Windows iPad
Open PSD files Support for Layers Responsive design Export to PDF ... Snapping Add a feature

205 Like
Sketch

Sketch is a design toolkit built to help you create your best work — from your earliest ideas, through to final artwork.

Commercial $ $ $ Mac
Live Preview Bitmap Editing Cloud sync Integration with InVision ... Screen Mirroring Add a feature

194 Like
Figma

Figma is the collaborative interface design tool. Keep the team focused and on the same page with real-time communication and collaboration featuring commercial quality...

Freemium $ $ $ Mac Windows Linux Web Android ... iPhone Android Tablet iPad
Import from Sketch Real time collaboration Team Collaboration Automatic conversion to multiple formats ... Cloud sync Native application Real time collaboration Responsive design Smart auto-align Smooth Typekit integration Wireframing Add a feature

51 Like
Photopea

Online photo editor, which can work with PSD, XCF and Sketch files (Photoshop, Gimp and Sketch App). Convert between PSD, XCF, JPG, PNG and many other formats. .

Freemium Web Chrome OS
Open PSD files Online Photo Editor Sketch to PSD Vectorize raster images ... Import from Sketch Support for Layers Web-Based Color blending Editing photos Free to play Kids Mode Layer manipulation Photographic filters Convert Photo to Painting Photoshop-like REST API Texture painting Add a feature

103 Like
Vectr

Vectr is a free graphics editor. Vectr is collaborative like Google Docs, and runs both in your web browser and on your desktop as a native app. With an intuitive...

Free Windows Linux Web Chrome OS
Convert images to PDF Add a feature

43 Like
Adobe Fireworks

Adobe Fireworks is a bitmap and vector graphics editor. Rapidly prototype websites and application interfaces with Adobe Fireworks CS4 software. Create and optimize...
- Discontinued As described at http://blogs.adobe.com/fireworks/2013/05/the-future-of-adobe-fireworks.html , development of Fireworks has been stopped, but last version, Adobe Fireworks CS6 (v12), released in 2012, is still available as part of the https://alternativeto.net/software/adobe-creative-suite/
Commercial Mac Windows
No features added Add a feature

145 Like
Adobe XD

Go from idea to prototype faster with Experience Design CC, the first all-in-one cross-platform tool for designing and prototyping websites and mobile apps. Test-drive...

Freemium $ $ $ Mac Windows
Live Preview Object animation Repeat grid function Share design specs Add a feature

27 Like
Boxy SVG

Boxy SVG is a vector graphics editor simillar to Adobe Illustrator, Sketch and Inkscape. Made with and for the modern Web Platform. Can do illustrations, icons, banners...

Commercial Mac Windows Chrome OS Chrome
Support for Keyboard Shortcuts SVG Editors Add a feature

30 Like
Icons8 Lunacy

Lunacy is a native Windows app that opens, edits, and stores .sketch files. In short, it’s long-awaited Sketch for Windows. It solves the big pain of design teams...

Free Windows Windows S
Import from Sketch Works Offline Export to SVG Works Offline ... Portable Add a feature

80 Like
Gravit Designer

A cross-platform vector graphics tool, runs as desktop application and in-browser too.

Freemium $ $ $ Mac Windows Linux Web Chrome OS
Ad-free Portable Asset Pipeline Browser based ... Built-in Color picker Cloud sync Embedded tutorials Global palette Master Design Works Offline Persistent Linux Resource export SVG Editors Unlimited Canvas Area Vectorize raster images Web fonts Website wireframing Add a feature

159 Like
Bloom

Bloom is a fast, light-weight, cross-platform procedural graphics editor that lets you tweak any action you have ever performed - organized by layer. Bloom is the...

Commercial $ $ $ Mac Windows Linux
No features added Add a feature

17 Like
Inkpad

Inkpad - Vector illustration app for the iPad.

Free Open Source iPad
No features added Add a feature

17 Like
Autodesk Graphic

Full-featured graphic design and illustration application created for macOS and iOS.

Commercial Mac iPhone iPad
Apple Pencil support Add a feature

26 Like