Best 20+ Tools for Software Developers in 2025

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.

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.

ImprovMX is a cloud-based email forwarding tool that connects your custom domain to your existing email inbox. Instead of setting up complicated email servers or paying for expensive hosting, you simply point your domain to ImprovMX and create email aliases that forward to your personal email.

Mailtrap is a dual-purpose email platform. First, it offers Email Sandbox, which acts as a fake email server that captures all test emails from your development or staging environment. You can inspect every detail of these emails without sending them to real people. This prevents accidental emails to customers during testing.

Resend is an email API service that helps developers send emails from their applications. Think of it as the delivery system for your app's emails - whether that's password resets, welcome messages, or marketing campaigns.

CleanShot X is an all-in-one screenshot and screen recording application designed for macOS. It goes far beyond basic screen capture by offering professional editing tools, cloud storage, and intelligent features that save time and improve the quality of your captures.

Screen Studio is a screen recording application designed for macOS users. It captures everything happening on your screen and automatically enhances the video to look professional. Unlike basic screen recorders, it does not just record; it improves your recording with automatic zoom when you click, smooth cursor movement, and beautiful animations.

Heretto is a complete solution for managing technical content throughout your organization. At its core is a Component Content Management System that breaks documents into small, reusable pieces instead of managing full pages. This approach lets you update content once and see changes everywhere it appears.

DeveloperHub is a complete documentation tool that combines writing, publishing, and tracking in one place. You can create different types of content including API references, how-to guides, release notes, and knowledge bases all in the same project.