Email Management
Contact form 7: Famous WordPress plugin to collect email addresses.
Mailchimp: Send 12,000 emails to 2,000 subscribers for free.
ManyContactsBar: Free contact form sits on top of your website.
Scroll Triggered Box: Boost your conversion rates — Wordpress only.
Mandrill: The fastest way to deliver email. Free 12K emails/month.
Mailgun: The Email Service For Developers. Free 10K emails/month.
Sendgrid: Delivers your transactional and marketing email. Free 12K emails/month.
Brevo: Free 9K emails/month.
Beefree: Free Email editor to build responsive design messages.
Canned Emails: A minimal site with prewritten emails.
Focus Music
Noisli: Background noise & color generator.
Noizio: Ambient sound equalizer for relax or productivity.
Defonic: Combine the sounds of the world into a melody.
Designers.mx: Curated playlists by designers, for designers.
Coffitivity: Stream the sounds of a coffee shop at work.
Octave: A free library of UI sounds, handmade for iOS.
Free Sound: Huge database of free audio snippets, samples, + recordings.
Sonics: Free packs of UI sounds and sound effects delivered to your inbox every month.
Avoid Distraction
Cold Turkey: Windows: temporarily block yourself off of distracting websites.
Organise, Share, Collaborate
Trello: Keeps track of everything.
Evernote: The workspace for your life’s work.
Dropbox: Free space up to 2GB.
Yanado: Tasks management inside Gmail.
Wetransfer: Free transfer up to 2GB.
Raindrop: Mac app for bookmarking and reading it later.
Typetalk: Share and discuss ideas with your team through instant messaging.
Slack: Free for unlimited users with few limited features.
Google Hangouts: Bring conversations to life with photos, emoji and group video calls.
FreeBusy: Eliminate coordination headaches when you need to schedule a meeting.
RealTimeBoard: Your regular whiteboard, re-thought for the best online experience.
Any.do: Get things done with your team.
Asana: Teamwork without email.
GoToMeeting: Online meetings without the hassle.