Best 20+ Tools for Product Managers in 2026

Gemini is an AI tool from Google that understands and responds to what you type or say. You can ask it questions, request help with tasks, or have it create content for you. It works with text, images, videos, and documents all in one place.

useSend is a complete email platform that handles both business emails and marketing campaigns. Unlike regular email services, you only pay for emails you actually send. The platform includes a visual editor that looks like Notion, making it easy to design beautiful emails without writing code. It works through both a simple web connection and direct programming tools.

Plunk is a complete email platform that helps you send three main types of emails from one place. First, there are transactional emails - the automatic messages your app sends like password resets or order confirmations. Second, marketing automations - email sequences that trigger based on what your users do. Third, broadcast campaigns - newsletters and updates you send to many people at once.

Loops is an email sending platform made for software companies. It lets you create and send three types of emails from one dashboard: campaigns (one-time announcements), loops (automated sequences), and transactional emails (password resets, receipts).

Amazon SES is a service that sends and receives emails for your business through the internet. Instead of running your own email server, you use Amazon's system to handle everything. You can send marketing campaigns, order updates, password resets, or any other emails your application needs.

Postmark is an email delivery service that sends your automated emails using modern technology. You can connect it to your website or app through their API or SMTP settings, and it handles the rest. Unlike regular email services, Postmark specializes in transactional emails - the important messages your customers expect right away.

SENDUNE is a tool that connects to your Amazon Web Services account to send emails and text messages. You can send marketing emails to customers, important business messages like password resets, and text messages all from one place.

SendGrid is a complete email delivery system that works in the cloud. You can use it in two ways: through an API for automatic emails from your website or app, or through a user interface for creating marketing campaigns.

MailerSend is a cloud-based email service that focuses on sending emails automatically from your apps or websites. Unlike regular email services for marketing campaigns, MailerSend specializes in sending individual messages triggered by user actions.

Mailchimp is a complete marketing platform that focuses on email marketing. You can use it to design emails, send campaigns to thousands of people at once, and see how many people open or click your emails. The platform also offers automation, which means you can set up emails to send automatically based on customer actions.