Dave Talks - A collection of articles on marketing, web design, search engine optimization and online business management by Dave Collins.
Educational Software Cooperative - A non-profit corporation bringing together developers, publishers, distributors and users of educational software. The ESC officially dissolved in January 2013, but their blog remains available.
Eric Sink - Thoughts about software from yet another person who invented the internet.
FastSpring - The blog for the popular FastSpring "all-in-one e-commerce payment processing, merchandising, and fulfillment solution" vendor.
Follow Steph - Follow Steph as he explains the Sunk Cost Effect.
Gamecraft - A blog all about the craft of making games, and in particular, computer games.
ISV Kaizen - Strategy of continuous improvement for ISV business
Joel on Software - Joel Spolsky retired from blogging, but his archives are filled with useful information.
The Single Founder - Musings on software and startups from a single founder, Mike Taber.
Books:
Don't Just Roll the Dice - A usefully short guide to software pricing. An ebook version is freely available from the author's website.
Eric Sink on the Business of Software - A selection of the best and most popular essays from the author's website. This insightful collection of essays explore the business concerns that programmers face during the course of their careers, particularly those programmers who are small independent software vendors.
Software That Sells - A Practical Guide to Developing and Marketing Your Software Project.
Start Small, Stay Small - "Your blueprint for getting your startup off the ground with no outside funding."
The Bootstrapper's Bible - An ebook, manifesto from Seth Godin based on The Bootstrapper's Bible, which used to come free when you bought a copy of Purple Cow.
The Web Startup Success Guide - "Your one-stop shop for all of the answers you need today to build a successful web startup in these challenging economic times."
Business of Software Forum - A public forum to discuss "building long term, sustainable, profitable software businesses."
Computer Consultants Forum - A community in existence since 2002. Seasoned and mid level computer technology professionals find common ground and discuss important issues and challenges here. Beginners and recent graduates can obtain the opinions of senior people.
Joel Spolsky's Business of Software forum - A community discussing the business of software, from the smallest shareware operation to Microsoft. A part of Joel on Software.
Macintosh Software Business Group - This Yahoo group is for small, independent Macintosh developers who want to talk with other developers about the business of Mac development. Questions on pricing, packaging, advertising, e-commerce providers, and so on are on-topic.
Conferences:
Business of Software - A conference that inspires and teaches people about the business of software.
Independent Software Developer's Forum - To support software development and promotion; to facilitate the growth and development of the e-commerce industry in the area of software; and to strengthen the position of Russian developers in the international software market.
Software Industry Conference - Newly rebranded as ISVCon, the Software Industry Conference is the premiere conference for Independent Software Vendors (ISVs) and MicroISVs (started in 1990).
Startups for the Rest of Us - The podcast that helps developers be awesome at launching software products. Whether you've built your first product or are just thinking about it.
Avangate Software Marketing Resources - A collection of articles, interviews with top software people, tips and newsletters for software authors and vendors. Expert advice on how to sell more software.
Bits Du Jour - Offers Mac and Windows software applications and products at substantial discounts, where each deal is available usually for one day only.