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Dev tools · alternatives · 2026

24 alternatives to Sidemail 2.0

Hi all! I'm Kristyna, maker of Sidemail. I'd love to share with you what we've been building. We built Sidemail because sending emails from a SaaS app was way harder than it should be. Sidemail is made for developers and teams that want one simple place to handle SaaS emails with reliable delivery and no bloat. It has: - Everything for creating, managing and delivering SaaS emails in one platform, - Easy-to-use email API for sending password resets, receipts, etc. - Messenger for writing product updates and newsletters, - Email automations for onboarding and lifecycle flows, - Fast email…

Sidemail 2.0 is an all-in-one email platform designed for SaaS startups and development teams. It combines email API, transactional email delivery, marketing automation, contact management, templates, and subscribe… Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes.

  1. 1
    Sidemail▲494

    Quick & easy email for all your side projects

    2018 · sidemail.com · its alternatives →

  2. 2
    Loops▲1,556

    Measure whether a campaign drove the desired outcome

    2023 · loops.so · its alternatives →

  3. 3

    It's my first time launching my own SaaS. I planned to develop it with a friend, but he refused to work with me because his developer skills are higher (in his opinion). I developed a simple online email scraper by keyword, hashtag, or followers using Google Search as a source of data (with Dorks) I will be glad to receive any feedback and suggestions.

    2025 · socleads.com · its alternatives →

  4. 4

    AI, teamwork, and a new era of email design

    2025 · stripo.email · its alternatives →

  5. 5
    Front 2.0▲500

    Shared team inboxes to manage Email, Twitter, SMS & more

    2014 · front.com · its alternatives →

  6. 6

    Curated email templates from leading SaaS companies

    2021 · saasemailtemplates.io · its alternatives →

  7. 7

    Really good curated email design and code inspiration

    2019 · reallygoodemails.com · its alternatives →

  8. 8

    Hi all! Excited to share cc.dev after months of work and refinement. The idea for this product came from trying to do email marketing for my side project, CubeDesk, a site where Rubik's Cube enthusiasts can time themselves, race with one another, train algorithms — it's a fun niche! With over 40k users, sending even a single campaign was becoming expensive with MailChimp. I knew AWS SES would be much cheaper, but it’s just an API with none of the other necessities you need for a robust email marketing platform. Beyond cost, I was also frustrated with having to make sure my database was…

    2023 · cc.dev · its alternatives →

  9. 9

    All-in-one email platform for sales communication

    2018 · polymail.io · its alternatives →

  10. 10

    1,000+ Emails per Second with 99%+ Deliverability

    Mar 2026 · mailercloud.com · its alternatives →

  11. 11

    Open source email templates for use in your SaaS app.

    2018 · postmarkapp.com · its alternatives →

  12. 12

    Better transactional emails for teams.

    2020 · its alternatives →

  13. 13

    I run multiple projects and D2C brands, which means I manage 6 different Gmail accounts and easily get 100+ emails a day - team updates, invoices, customer queries, newsletters, OTPs… everything mixed together. After missing a few important emails that actually cost me money, I realized the problem wasn’t the number of emails, it was how hard it was to make sense of them. So I built Supamail, an AI-powered inbox that helps you read less and understand more. Here’s what it does: - Emails in last 24 hrs shrink into clear summaries, smart categories, and easy replies so you never feel…

    2025 · supamail.co · its alternatives →

  14. 14

    HubSpot email templates for SaaS marketers

    2021 · its alternatives →

  15. 15

    I’ve launched a few SaaS products before, but this time I built something I’m genuinely excited about. I kept seeing a real pain among SaaS founders and devs: email marketing. If you run a SaaS and you’re not using email marketing, you’re honestly missing out. It’s still the best way to engage and retain your users. That’s why I built Resletter, an email marketing platform made specifically for SaaS founders and developers. No bloated UI, no unnecessary complexity like Mailchimp, Brevo, or other traditional email marketing tools. Don’t believe me? Try the free plan, connect your Resend…

    Jan 2026 · resletter.com · its alternatives →

  16. 16

    Automate, optimize, convert, next level email automation

    2024 · mailercloud.com · its alternatives →

  17. 17

    Build cross-platform emails using natural language.

    2025 · resend.com · its alternatives →

  18. 18

    Launch successful email campaigns like a pro

    2022 · mailercloud.com · its alternatives →

  19. 19
    Spark 2.0▲211

    Revolutionary email for teams

    2018 · sparkmailapp.com · its alternatives →

  20. 20
    HappyMail▲201

    Eight years ago, I was job hunting and felt embarrassed by my Gmail address. I tried registering firstname.lastname — taken everywhere. So I thought: "I'm in IT, I'll set up my own domain with my own IMAP/SMTP. How hard could it be?" A lot went wrong. Forgotten renewals. rocky DNS mistakes. I ended migrating toward Google Workspace, but in the end it felt overkill, having a subscription there plus the whole registrar subscription, and the whole GAFAM sticker on it. Moreover, the final price was way too high for me at the time. Six months ago, someone approached me and related to that…

    Jan 2026 · happymail.tech · its alternatives →

  21. 21

    Everything you need to start sending newsletters, drip campaigns, transactional emails. Mailcoach is a fully featured email marketing platform built for growing creators, developers, and businesses.

    2020 · mailcoach.app · its alternatives →

  22. 22
    Twobird▲209

    Your emails, thoughts & to-dos all in one inbox

    2019 · twobird.com · its alternatives →

  23. 23
    Unosend▲205

    Send transactional + marketing email w/ 99.9% deliverability

    Dec 2025 · unosend.co · its alternatives →

  24. 24AE

    Hey HN, we're Haakam, Michael, and Adi. We're building AgentMail (https://agentmail.to/), an API to give AI agents their own email inboxes. We’re not talking about AI for your email, this is email for your AI. We started building email agents because they can converse with users in their inboxes, automate email-based workflows, and authenticate with third-party applications. Given these unique capabilities, we think email will be a core interface for agents. But we were building on top of Gmail, which was a struggle: poor API support, expensive subscriptions, rate limits,…

    2025 · chat.agentmail.to · its alternatives →

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Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →