Here is a list of top sources for your design workflow.
Please help me to extend and improve this list ;)
- UI Inspiration Collections
- Web Design Inspiration
- Mobile Design Inspiration
- Design Inspiration
- Stock Images (Free!)
- Color Palette
- Icon
- Freebies
- Newsletter
- Community
- Tools
- Prototyping
- User Testing
- Development
- Framework
- Miscellaneous
- Checkup
- Collect UI
- Inspiration UI
- UI Parade
- Calltoidea
- Zurb PatternTap
- UICloud
- Checkout Pages
- Pricing Pages
- Store Pages
- Product Pages
- Really Good Emails
- siteInspire
- Awwwards
- CSS Design Awards
- Siiimple
- CSSMania
- FlatDsgn
- The Best Designs
- CSS Garden
- Dzinemart
- Unmatched Style
- MoodBoard
- Land-book
- One Page Love
- lapa
- Httpster
- Interface.pro
- pttrns
- Android Niceties
- LaudableApps - Showcase for beautiful iOS apps
- Mobbin
- Color Hunt
- ColorDrop
- ColorFavs
- PLTTS
- Color Farm
- ColorMe
- WebGradients
- Colors - Canva's Design Wiki
- Coolors.co
- Grabient
- Flat UI Colors
- CSS Gradient
- Veranda Color
- Font Awesome
- Fontisto
- Elusive Icons
- Fontello
- IcoMoon
- We Love Icon Fonts
- CSS ICON
- Hawcons
- Octicons
- iconspider
- Flaticon
- Iconfinder
- Feather
- Stocky
- AllTheFreeStock
- Sketch App Sources
- Facebook Design
- UX Flow - Flowchart kit for Sketch
- Wirez - Wireframe kit
- Snap - Wireframe kit
- Sketch - Design Tool for Mac
- Figma - Real-time Collaborative UI Design Tool
- Zeplin - Collaborative Design Tool
- Squarespace
- Webflow
- Website Launch Checklist
- Lunacy - Sketch Viewer for Windows
- Iconjar - A Tool to Help You Organize and Manage Icons
- FontPrep - Font Generator for MacOS
- fontplop - fontplop is an OSX/macOS application which takes ttf and otf files and outputs a webfont bundle: woff2, woff, tff/otf.
- Vecteezy - SVG Editor
- SVGOMG
- Github
- Bitbucket - Git with private repositories
- Heroku - Cloud Development Platform
- Pantheon - Wordpress & Drupal Hosting
- Algolia - Hosted Search API
- Surge - Static web publishing
- Jekyll - Static websites and blogs
- Bootstrap
- Foundation
- Propeller - responsive framework based on Google's Material Design Standards & Bootstrap