Naming
https://www.namemesh.com/
http://thenameapp.com/
https://www.powerthesaurus.org/
Domain Names
https://domainr.com/
http://shortdomainsearch.com/
Hosting
https://aws.amazon.com/
https://www.heroku.com/
https://www.digitalocean.com/
Market Research
https://www.crunchbase.com/
https://www.similarweb.com/
https://trends.google.com/trends/
Forms
https://www.typeform.com/
https://www.google.com/forms/about/
https://www.wufoo.com/
User Feedback
https://usabilla.com/
https://www.usertesting.com/
Mockups & Wire Frames
https://moqups.com/
https://www.weld.io/
https://proto.io/
Design
https://www.sketchapp.com/
http://feedbag.io/
https://www.invisionapp.com/
Development
https://github.com/
https://stackoverflow.com/
https://getbootstrap.com/
https://www.sublimetext.com/
https://atom.io/
Getting Beta Users
https://www.producthunt.com/
https://betalist.com/
https://instabug.com/
Presentations
https://www.google.com/slides/about/
https://www.slideshare.net/
https://www.canva.com/create/presentations/
Product Videos
http://recordit.co/
http://explainify.com/
https://www.fiverr.com/stevenanimation/create-an-awesome-2d-animated-video-for-your-project
Press
https://pr.co/
https://www.hey.press/
https://press.farm/
Analytics
https://analytics.google.com/
https://simpleanalytics.com/
https://segment.com/
https://mixpanel.com/
Customer Service
https://www.olark.com/
https://frontapp.com/
https://www.zopim.com/
Project Management
https://trello.com/
https://asana.com/try
https://basecamp.com/
Payments
https://stripe.com/
https://www.braintreepayments.com/
https://www.chargebee.com/
Collaboration
https://slack.com/
https://whereby.com/
https://zoom.us/
Bug Tracking
https://rollbar.com/
https://bugherd.com/
Raising Money
https://angel.co/
https://gust.com/
https://www.f6s.com/
Sales
https://mailshake.com/
http://www.boomeranggmail.com/
https://www.streak.com/
https://www.apollo.io/
Finance
https://www.free-invoice-generator.com/
https://www.freshbooks.com/
http://invoiceto.me/
Design Inspiration
https://dribbble.com/
https://onepagelove.com/
https://www.behance.net/
Fonts
https://fonts.google.com/
https://www.canva.com/font-combinations/
http://www.dafont.com/
Icons
https://thenounproject.com/
https://fontawesome.com/
http://www.flaticon.com/
Color Pickers
https://coolors.co/
https://coneapp.io/
http://www.colourco.de/
https://webgradients.com/
Templates & Themes
https://bootswatch.com/
https://templated.co/
https://html5up.net/
Logos
https://www.logopony.com/
https://www.logaster.com/
https://99designs.com/
https://looka.com/logo-maker/
Stock Photos
https://www.pexels.com/
https://unsplash.com/
https://librestock.com/
Image Optimizers
https://tinyjpg.com/
https://kraken.io/web-interface
https://compressor.io/
https://websiteplanet.com/webtools/imagecompressor/
Making Product Images
Sending Emails
https://www.hellobar.com/
https://mailchimp.com/
https://sendgrid.com/
https://postmarkapp.com/
Sending Text Messages
Social Media
https://buffer.com/
https://hootsuite.com/
https://tweetdeck.twitter.com/
A/B Testing
https://www.optimizely.com/
https://unbounce.com/
Blogging
https://medium.com/
http://www.hemingwayapp.com/
http://www.zenpen.io/
Calendars
https://calendar.google.com/calendar/
https://buttercal.com/
https://calendly.com/
http://rallly.co/
Signing Documents
https://www.hellosign.com/
https://dochub.com/
Legal Documents
Operating Agreement
http://www.docracy.com/0t3ficebtbo/llc-operating-agreement
Incorporating
NDA
http://www.docracy.com/27/generic-shortform-nda
Networking
https://emamo.com/
https://kommunity.com/
http://founderdating.com/
https://cofounderslab.com/
Storage
https://www.google.com/drive/
https://www.dropbox.com/
https://www.box.com/
Hiring
https://hired.com/
https://www.vettery.com/
https://www.greenhouse.io/
APIs
http://apis.io/
http://apilist.fun/
https://www.programmableweb.com/
Learning
http://paulgraham.com/articles.html
https://startupclass.samaltman.com/lists/readings/
https://www.ycombinator.com/resources/
Books
https://www.amazon.com/Zero-One-Notes-Startups-Future/dp/0804139296
https://www.amazon.com/Creativity-Inc-Overcoming-Unseen-Inspiration/dp/0812993012/
https://www.amazon.com/Lean-Startup-Entrepreneurs-Continuous-Innovation/dp/0307887898/
https://www.amazon.com/Outliers-Story-Success-Malcolm-Gladwell/dp/0316017930