Best 20+ Tools for Software Engineers 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.

DoubleZero is a self-hosted email platform built to work with Amazon Web Services Simple Email Service. Instead of paying monthly fees to companies like SendGrid or Mailchimp, you install this software yourself and connect it to your own AWS account. This gives you full control over your email sending at a much lower cost.

SendPortal is an open-source email marketing application that you host on your own server. Unlike paid services that charge per subscriber or per email, SendPortal is completely free to download and use. You just pay for your own hosting and the email sending service you choose.

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.

Listmonk is an email marketing platform that you install and run on your own server. Unlike cloud services such as Mailchimp, you download and host it yourself, which means you own all your data and pay no monthly fees.

turboSMTP is an email relay service that acts as a bridge between your email program and your recipients. When you send an email through turboSMTP, it goes through their secure servers which have good relationships with internet providers worldwide.

SMTP.com is an email delivery platform that sends your business emails through their servers instead of your own. This means better delivery rates because they maintain good relationships with email providers and follow all the technical rules needed for emails to land in inboxes.

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.