OptinMonster is the best lead-generation plugin for WordPress. It's used by over 1m websites and allows you to create attention grabbing forms to drive lead-generation. Easily run A/B tests to identify top performing popups, and use other features like the "spin-the-wheel" popup to capture leads.
Typeform is a very user-friendly form and survey builder. The design is clean and the features are smart: You can customize your survey in different ways, and you can also create lots of clever interactions using features like "logic jumps" which create unique paths of questions based on answers.
Klaviyo is the best in class email marketing solution for eCommerce. It's powerful because it connects to your store, and you can create awesome customer segments based on past purchasing behaviors, customer preferences, and even future predictions of spending.
Refersion is an affiliate tracking platform that manages your influencers and affiliates. It integrates with major eCommerce platforms and provides you with a place to bring on affiliates, create different offers, calculate commissions, and track how much an affiliate needs to be paid.
WisePops allows you to display a message to any segment of your visitors without any dev needed. Choose which popup you want to use (landing page take-over, exit intent, scroll based popup, etc) then choose the segment you want to show your popup to and track conversions inside the app.
AdRoll centralizes essential marketing and advertising activities, all in one place, serving as mission control for your entire customer journey. By unifying your data, channels, and measurement, AdRoll makes it easier to send the right messages in the right places at the right times.