TweetFollow Us on Twitter

The MacTech Spotlight: Robert Kuilman, http://halfduplex.net/

Volume Number: 25
Issue Number: 04
Column Tag: MacTech Spotlight

The MacTech Spotlight: Robert Kuilman, http://halfduplex.net/


Do you work for a company or are you self-employed?

I am a Business Administration Student at Twente University in the Netherlands. I used to be a Computer Science student but decided to switch when I realized it makes sense to focus on what you're not good at. As is every student I am always in need of money, so combining the knowledge from my Business Administration and Computer Science studies, I took to selling my software under the name of halfduplex.net, as that was the domain I already owned.

What do you do?

Being an independent developer I have to do everything myself. Development, promotion, accounting and customer support are all tasks that I am familiar with. This seems a bit much for one person to do, but it has its benefits. I always know what's going on with development, what the latest promotional activities are and will make sure customers get the best treatment possible. I might have to look for personnel when the business continues to grow, though.

How long have you been doing what you do?

I've been writing software since I was 8 or 9. It first started out in GW-BASIC on MS-DOS, and over time have progressed to writing Objective-C code. Those first lines of code didn't do anything useful, as any programmer can tell you. But it was tons of fun. It was mostly due to my dad who figured I could be doing something more constructive with my time behind the computer than play Pac-Man.

Your first computer:

My first computer to write code on must have been my dad's Amstrad PC 1640, running MS-DOS. It was a great machine and took all the ignorant and abusive stuff I threw at it as a young kid without complaining. The first computer owned by myself was an Apple Macintosh LC II, a great computer and fun to work with. One day in middle school I had to give a presentation on my hobbies. I just put the Mac in my backpack along with some magazines and went to school. The LC II's design allowed me to take it apart in front of class without any tools and explain in detail how it all works together. I aced the presentation.

Are you Mac-only, or a multi-platform person?

These days I'm a Mac-only person, no doubt about it.

What is the advice you'd give to someone trying to get into this line of work today?

Respond to customer's needs and actively promote your product. I've worked with customers on some complex problems when using my software. This has improved my software a lot, which benefits everyone, and you'll see customers appreciate the extra attention they get. Promotion is essential because if no one knows you are out there, how will they find you? When I started sending out press releases and actively seeking out review opportunities the sales increased immediately.

Also, when you develop software for the Mac, make software that is Mac-like. A good interface and intuitive workflow will make a better impression than an application that scares users from the first minute by overloading them with options and a workflow that is very non-Mac like.

What's the coolest tech thing you've done using OS X?

Back when OS X was still in its beta phase I wrote a P2P client much like gnutella and a little bit later, I wrote mail server software. Neither really came off the ground because of a lack of experience in, I guess almost every aspect of distributing software, but it was still pretty cool. Mac OS X's Cocoa allows developers to get results very quickly and try out a lot of crazy ideas, I love that.

Where can we see a sample of your work?

My primary product is Media Catalog, which you can download at http://halfduplex.net/ In 2005 I wrote the 1.0 release of Family (http://saltatory.com/) which is something I am still very proud of.

The next way I'm going to impact IT/OS X/the Mac universe is:

There are a lot of tasks you and I do everyday that can be done with a lot more ease. I can't tell you what my exact role will be, but I want to help getting that realized.


If you or someone you know belongs in the MacTech Spotlight, let us know! Send details to editorial@mactech.com

 
AAPL
$106.52
Apple Inc.
-0.82
MSFT
$46.06
Microsoft Corpora
-0.56
GOOG
$548.20
Google Inc.
-1.13

MacTech Search:
Community Search:

Software Updates via MacUpdate

VMware Fusion 7.0.1 - Run Windows apps a...
VMware Fusion allows you to create a Virtual Machine on your Mac and run Windows (including Windows 8.1) and Windows software on your Mac. Run your favorite Windows applications alongside Mac... Read more
OneNote 15.3.2 - Free digital notebook f...
OneNote is your very own digital notebook. With OneNote, you can capture that flash of genius, that moment of inspiration, or that list of errands that's too important to forget. Whether you're at... Read more
Audio Hijack Pro 2.11.4 - Record and enh...
Audio Hijack Pro drastically changes the way you use audio on your computer, giving you the freedom to listen to audio when you want and how you want. Record and enhance any audio with Audio Hijack... Read more
Iridient Developer 3.0.0 beta 3 - Powerf...
Iridient Developer (was RAW Developer) is a powerful image conversion application designed specifically for OS X. Iridient Developer gives advanced photographers total control over every aspect of... Read more
TextWrangler 4.5.11 - Free general purpo...
TextWrangler is the powerful general purpose text editor, and Unix and server administrator's tool. Oh, and also, like the best things in life, it's free. TextWrangler is the "little brother" to... Read more
NeoFinder 6.6 - Catalog your external me...
NeoFinder (formerly CDFinder) rapidly organizes your data, either on external or internal disks, or any other volumes. It catalogs all your data, so you stay in control of your data archive or disk... Read more
Chromium 38.0.2125.111 - Fast and stable...
Chromium is an open-source browser project that aims to build a safer, faster, and more stable way for all Internet users to experience the web. FreeSMUG-Free OpenSource Mac User Group build is... Read more
Default Folder X 4.6.11 - Enhances Open...
Default Folder X attaches a toolbar to the right side of the Open and Save dialogs in any OS X-native application. The toolbar gives you fast access to various folders and commands. You just click... Read more
Mariner Write 3.9.3 - Light-weight and s...
Mariner Write is your Mac OS go-to word processing tool! Professional writer, educator or student, Write has all the functionality you need for that important letter, technical paper or research... Read more
DesktopLyrics 2.6.5 - Displays current i...
DesktopLyrics is an application that displays the lyrics of the song currently playing in "iTunes" right on your desktop. The lyrics for the song have to be set in iTunes; DesktopLyrics does nothing... Read more

Latest Forum Discussions

See All

French Developer Pated Unveils Seashine
French Developer Pated Unveils Seashine Posted by Ellis Spice on October 30th, 2014 [ permalink ] French one-man studio Pated has unveiled Seashine, “a poetic journey into the abyss.” Players take on the role of a jellyfish strugglin | Read more »
Agents of Storm: Tips, Tricks, and Strat...
Calling all agents: Would you like to see what we thought of this rather pretty base builder? Check out our Agents of Storm review! Have you downloaded Agents of Storm, been bowled over by the graphics, and aren’t quite sure what to do next? Never... | Read more »
Any.DO 2.0 Hopes to Help Manage Producti...
Any.DO 2.0 Hopes to Help Manage Productivity Posted by Ellis Spice on October 30th, 2014 [ permalink ] iPhone App - Designed for the iPhone, compatible with the iPad | Read more »
Base Busters Review
Base Busters Review By Jennifer Allen on October 30th, 2014 Our Rating: :: FUN BUT RESTRICTED MIXUniversal App - Designed for iPhone and iPad Mixing up two forms of tower defense gaming and collectible cards, Base Busters is a fun... | Read more »
Sumptus - Personal Expense Tracker in Yo...
Sumptus - Personal Expense Tracker in Your Pocket 1.0 Device: iOS iPhone Category: Finance Price: $3.99, Version: 1.0 (iTunes) Description: Sumptus - a personal finance assistant in your pocket. It’s an ultimate expense tracker... | Read more »
Meat Factory (Games)
Meat Factory 0.1 Device: iOS Universal Category: Games Price: $.99, Version: 0.1 (iTunes) Description: Meat factory harks back to the old days of the game and watch. Easy to pick up and play, but hard to score big. With cute visuals... | Read more »
Medford Asylum: Paranormal Case - Hidden...
Medford Asylum: Paranormal Case - Hidden Object Adventure (Full) 1.0 Device: iOS Universal Category: Games Price: $4.99, Version: 1.0 (iTunes) Description: Uncover the mystery of Medford City asylum! | Read more »
Secret Files Sam Peters (Games)
Secret Files Sam Peters 1.0.0 Device: iOS Universal Category: Games Price: $2.99, Version: 1.0.0 (iTunes) Description: [ After the successful iOS release of Secret Files Tunguska, the acclaimed point and click adventure Secret Files... | Read more »
Woah Dave! (Games)
Woah Dave! 1.0 Device: iOS Universal Category: Games Price: $1.99, Version: 1.0 (iTunes) Description: ***SPECIAL LAUNCH PRICE! IT DOESN'T COST A LOT OF MONEY!*** Optimized for iPhone 6+! A huge hit at E3, PAX, PAX East, IndieCade... | Read more »
Drift'n'Drive (Games)
Drift'n'Drive 1.0.0 Device: iOS Universal Category: Games Price: $1.99, Version: 1.0.0 (iTunes) Description: Follow your destiny to become the ultimate racing driver! | Read more »

Price Scanner via MacPrices.net

Apple drops prices on refurbished 2013 Retina...
The Apple Store has dropped prices on 2013 Apple Certified Refurbished 13″ and 15″ Retina MacBook Pros, with Retina models now available starting at $999. Apple’s one-year warranty is standard, and... Read more
New 2.8GHz Mac mini on sale for $949, save $5...
Abt Electronics has the new 2.8GHz Mac mini in stock and on sale for $949.05 including free shipping. Their price is $50 off MSRP, and it’s the lowest price available for this model from any reseller... Read more
Sale! 3.7GHz Quad Core Mac Pro available for...
 B&H Photo has the 3.7GHz Quad Core Mac Pro on sale for $2649 including free shipping plus NY sales tax only. Their price is $350 off MSRP, and it’s the lowest price for this model from any... Read more
Mujjo Steps Up The Game With Refined Touchscr...
Netherlands based Mujjo have just launched their Refined Touchscreen Gloves, stepping up their game. The gloves feature a updated elegant design that takes these knitted gloves to the next level. A... Read more
Sale! Preorder the new 27-inch 5K iMac for $2...
 Abt Electronics has the new 27″ 3.5GHz 5K iMac on sale and available for preorder for $2374.05 including free shipping. Their price is $125 off MSRP, and it’s the lowest price available for this... Read more
Simplex Solutions Inc. Brings Secure Web Surf...
New York based Simplex Solutions Inc. has announced the release and immediate availability of Private Browser 1.0, its revolutionary new secure web browser developed for iPhone, iPad and iPod touch... Read more
Save up to $180 off MSRP with an Apple refurb...
The Apple Store has Apple Certified Refurbished 2014 MacBook Airs available for up to $180 off the cost of new models. An Apple one-year warranty is included with each MacBook, and shipping is free.... Read more
Apple refurbished 2013 MacBook Pros available...
The Apple Store has Apple Certified Refurbished 13″ and 15″ MacBook Pros available starting at $929. Apple’s one-year warranty is standard, and shipping is free: - 13″ 2.5GHz MacBook Pros (4GB RAM/... Read more
What Post PC Era? – The Mac Bounces Back, Big...
Apple’s fiscal Q4 2014 was an all-time record quarter for Mac sales, with 5.5 million units shipped, representing nearly one million more sales (+21 percent, + 25 percent sequentially) than Apple... Read more
Unpacking The Big Changes At Microsoft – iPad...
The days of product keys and email attachments are nearing an end and Microsoft, though late to the game, is making big strides to keep up, says tech expert Karl Volkman of SRV Network, Inc. Under... Read more

Jobs Board

*Apple* Solutions Consultant (ASC) - Apple I...
…important role that the ASC serves is that of providing an excellent Apple Customer Experience. Responsibilities include: * Promoting Apple products and solutions Read more
*Apple* Solutions Consultant (ASC) - Apple I...
…important role that the ASC serves is that of providing an excellent Apple Customer Experience. Responsibilities include: * Promoting Apple products and solutions Read more
*Apple* Solutions Consultant (ASC) - Apple I...
…important role that the ASC serves is that of providing an excellent Apple Customer Experience. Responsibilities include: * Promoting Apple products and solutions Read more
*Apple* Solutions Consultant - Apple Inc. (U...
…important role that the ASC serves is that of providing an excellent Apple Customer Experience. Responsibilities include: * Promoting Apple products and solutions Read more
*Apple* Solutions Consultant - Apple Inc. (U...
…important role that the ASC serves is that of providing an excellent Apple Customer Experience. Responsibilities include: * Promoting Apple products and solutions Read more
All contents are Copyright 1984-2011 by Xplain Corporation. All rights reserved. Theme designed by Icreon.