This collection of startup tools is work in progress. Let me know if you have any suggestions.
- Dropbox - file syncing and quick backups
- TweetDeck - manages multiple accounts
- Delicious - bookmarks, great research resource
- Github - project hosting, collaboration
- Google Apps - free email, calendar, chat, etc for your domain
- FreeMind - mind mapping (osx, win, linux)
- Project management, Tickets
- Trello – Boards and cards, instant sync (free)
- Pivotal Tracker
- Redmine
- Email, Newsletters
- Mailchimp - free plan for 2k subscribers, 12k mails/month
- CampaignMonitor, aWeber
- Sendgrid – smtp service, newsletters
- Design, Themes
- Themeforest - buy themes for websites, cms
- 99designs - design challenges
- The Logo C - custom logo, stationary and website design
- CrowdSpring - community design challenges for logos and websites. bit more indy than 99d
- Apache Ant - building
- Jenkins CI - continuous integration (auto builds, tests)
- Gerrit, Review Board - code reviews
- Hosting
- Online payments
- Paypal - commonly used. dangerous because of account blocking practice.
- Google Checkout, Amazon Payments, FastSpring, Stripe, Braintree
- E-Junkie - makes it easy to sell stuff. works with many payment providers (also: BMT Micro, Avangate)
- Recurly, Spreedly - sell subscriptions
- Text2pay – mobile payments
- Chef, Puppet, Fabric - automated deployment
- Feedback
- UserVoice, GetSatisfaction - user feedback and recommendations + voting
- KissInsights - get feedback from live users
- Olark, Meebo – (support) chat for websites
- User Testing, Feedbackify, TestRunnr - test website with real users
- Monitoring & Analytics
- Advertising
- AdWords and Adsense
- BuySellAds
- Chikita
- GumGum – ads in images
- A/B Testing
- CMS and Services
- Forums
- VanillaForums, phpBB
- Various
- Bootstrap – css toolkit by Twitter
- html5 boilerplate – html5 ready website template and build tools
- More
- Game Engines
- Unity 3D - High end. Desktop, Web, iPhone+Android. Expensive: $4500 for Android+iOS
- libgdx - Android, Desktop [java]
- Corona - Android + iOs. Development in Lua. $350/y
- moai - Android + iOS. Lua based mobile gaming engine + platform (open source SDK), hosted services
- Cocos2d – iOS, Android
- Oolong engine – open source, iOS
- SIO2 – 2d and 3d, iOS + Android + Desktop
- Irrlicht – 2d and 3d, cross-platform (desktop)
- Ogre – 3d, iOS, OS X, Win
- HTML5 gaming engines: Free: RPG JS, LimeJS, Crafty - Commercial: Impact ($100)
- 3rd Party Services
- Monetization
- Trialpay - virtual currency monetization [web]
- Super Rewards - in-game services: install apps for in-game points, advertising [Android + iOS]
- tapjoy.com: banner ads, app-of-the-day, offer walls, virtual goods + currency [Android, iOS, WP7]
- Advertising
- Mochi Ads - advertising, virtual currency [Flash]
- Game Advertising Online, OpenX, Project Wonderful
- Resources
- Hosted Services
- parse.com: Data storage, push notifications (YC S11)

- betable.com: Betting money, gambling

- appsalar.com: Behavioral targeting, optimization and analytics

- parse.com: Data storage, push notifications (YC S11)
- Advertising
- Analytics
- Flurry

- Appfigures - iOS App Store tracking
- Flurry
- Promotion
- List of iOS review sites
- List of Android review sites
- Appbackr - app crowdfunding, distribution, revenue-share

- Appia - reach alternative app stores

- HAProxy – frontline proxy
- Varnish - app server cache
- Nginx – static files
- uwsgi - app server
- Flask – python web framework
- Tornado – async connections, web framework
- RabbitMQ - queue/messaging
- Celery - Distributed task queue (Python)
- Redis – caching & sessions
- Database
- MySQL, PostgreSQL - relational databases
- SQLAlchemy – SQL toolkit, ORM
- Neo4j – high performance graph database
- Bulbflow - graph database toolkit
- Hadoop - distributed computing framework
- More
- OSSEC: Intrusion detection, security monitoring
- Linux System Monitoring Tools
- Benchmark of Python web servers
Design
- Resouces
Publicity / Outreach
OSX Only
- Scrivener - story creation and management tool (osx, $45)
Various
- indieproofing.co.uk - proofreading and copywriting ($1 – $2 per 100 words)
- Press Release Distribution Services (forums.tigsource.com)
More / References