HTML5 UP: Responsive HTML5 and CSS3 site templates.
Bootswatch: Free themes for Bootstrap.
Layers: A WordPress site builder so simple. It’s free, forever.
Bootstrap Zero: The largest open-source, free Bootstrap template collection.
Landing Harbor: Promote your mobile app with a free landing page.
Strikingly: Free, unlimited mobile optimized websites for strikingly domains.
Templated: A collection of 845 free CSS & HTML5 site templates.
FREE BRANDING & LOGO
Logaster: Professional online logo maker & generator.
Squarespace Free Logo: You can download free low-res version for free.
Signature Maker: A free web based tool that creates your handwritten digital signature.
Hipster Logo Generator: It’s Hip, It’s Current, It’s Stylish, It’s Hipster.
Invoice to me: Free Invoice Generator.
Slimvoice: Insanely simple invoices.
Wave: Free & easy accounting, invoicing and more.
Invoice.to: Free invoice generator.
Free Invoice Generator: Alternative free invoice generator.
FREE LEGAL DOCS
Docracy: An open collection of free legal documents.
Shake: Create, sign and send legally binding agreements in seconds. Free for personal use.
Kiss: Free legal docs for startup founders and investor.
FREE IDEA MANAGEMENT
Experiment Board: Test your startup idea without wasting time or money.
Skitch: Your ideas become reality faster.
Germ.io: Get from idea to execution.
FREE BUSINESS / PROJECT NAME GENERATORS
The Name App: Find an available name for your brilliant idea.
Naminum: Discover a perfect company name.
Hipster Business Name: Hipster business name generator.
Impossibility: The best domain name generator ever.
Domainr: Fast, free, domain name search, short URLs.
Lean Domain Search: Find a domain name for your website in seconds.
Short Domain Search: Find short, available single-word domain names.
Wordoid: Pick a short and catchy name for your business.