South African entrepreneurship resources
Telkom    - For ADSL and internet access
The Department of Trade and industry - South Africa - For application forms and other resources etc. to form a closed corporation or company.
Companies and intellectual property registration office - South Africa - To register provisional patents, designs, trademarks and other stuff.
South African Revenue services - To register for tax and import licensing.
DHL courier company South Africa - To be able to import and export you need DHL. THE BEST.
Speed services courier - For domestic (i.e. within South African borders) shipping.
HBD venture capital - A venture capital company.
Upstarts - Mark Shuttleworths' venture capital foundation for new entrepreneurs.
The innovation hub - Gauteng's development for research and development leading to new companies.
Kowabunga on-line affiliate marketing. - Affiliate marketing program: Pay people commissions based on the links they host. Very effective advertising.
Pete's Weekly - A great resource on how to get money for your venture from banks risk free, and on how to protect yourself if your business flops.
Adams and Adams patent attorneys - Schedule a meeting by mentioning you have an "idea" and they will explain to you for free how patents work.
BizAssist.co.za - A variety of business services
BRAIN   Business Referral and Information Network for small business in South Africa 
Specifile OnLine - SA Building products repository
Your Business Magazine - South African magazine concentrating mostly on franchising.
Buy-south Africa - A South African support initiative 
News24 - Up to date news in South Africa.

Books on Entrepreneurship:
Entrepreneurship: Globalization, Innovation and Development: Globalization,Innovation and Change
UNDER THE RADAR: STARTING YOUR WEB BUSINESS WITHOUT VENTURE CAPITAL
From Concept to Wall Street: A Complete Guide to Entrepreneurship and Venture Capital
Internet Start-up Bible, The: So You Want to be a Dot.Com Millionaire?
Raising Capital for Dummies
You Need to Be a Little Crazy: The Truth about Starting and Growing Your Business

Books on Invention:
Code Name Ginger: The Story Behind Segway and Dean Kamen's Quest to Invent a New World
The Blockbuster Toy: How to Invent the Next Big Thing
The world's stupedist Inventions
New Service Development and Innovation in the New Economy
Networks of Knowledge: Collaborative Innovation in International Learning
Dead Inventors and Their Bright Ideas
Whoever Makes the Most Mistakes Wins: The Paradox of Innovation
Time Great Inventions: Geniuses and Gizmos: Innovation in Our Time: Great Inventions
The Circle of Innovation
The Art of Innovation: Lessons in Creativity from Ideo, America's Leading Design Firm

Web resources on Entrepreneurship:

Idea a day - A site with LOADs of ideas for possible business ventures.
Dansworkshop - A nice site with loads of projects.
Embedded Engineering Design Services - Another engineering site.
Entrepreneurial Engineers - A group focussing on how to become an entrepreneur based in America.
Focus – The magazine of science and discovery - Science mag.
Don Lancaster - The Guru's Lair - A GREAT engineering resource run by a legend.
Business plan samples - Pick one that suits you best and adjust it for your specific business requirement.
PwC - Sourcing Capital Getting Started - Tips on how to get venture capital
Smithsonian Institution - Great all round reference.
StartupJournal Create A Business Plan - Another guide on how to create a busiiness plan
PhysicsWeb - Contains loads of physics simulators that explain how physics work!

Links related to patents: