Top 12 Open-Source Alternatives to Warmup Inbox

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Warmup Inbox

Warmup Inbox is a tool that automates the process of warming up your email inboxes, raising your sender reputation and inbox health automatically. subtitle

4 mentions

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Pricing:

Paid
Free Trial
$12.0 / Monthly (Per inbox, per month.)
Official Pricing

Platforms:

Google Workplace
Microsoft 365
Zoho
Outlook
Amazon Web Services
Mailgun
Sendgrid
SendPost
SMTP
Yahoo
GMail

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Top 12 Open-Source Alternatives to Warmup Inbox

Product categories

App Reviews Audio & Music Brand Management Email Email Delivery Email Marketing Email Marketing Platforms Email Newsletters Email Productivity Newsletter Marketing Transactional Email Work Management

Summary

The top open-source alternatives to Warmup Inbox are Folderly, Cakemail, and Mailgun. One of the criteria for ordering this list is the number of mentions that products have on reliable external sources. You can suggest additional sources through the form here.

Folderly Landing Page
1

Folderly

Folderly is an all-in-one email deliverability platform to supercharge your email performance. Locate, solve, prevent email deliverability pitfalls, and ensure that your emails reach the Inbox folder.
Pricing:
- Open Source
- Paid
- Free Trial
- $120.0 / Monthly (Folderly Premium)
#Email Deliverability #Email Marketing Platforms #Email Marketing 60 social mentions
Cakemail Landing Page
2

Cakemail

Email marketing and transactional emails that deliver. Try it for FREE!
Pricing:
- Open Source
- Freemium
- Free Trial
- $8.0 / Monthly (Growth)
#Marketing Automation #Email Marketing #Email Marketing Platforms
Mailgun Landing Page
3

Mailgun

A set of powerful APIs that enable you to send, receive and track email from your app effortlessly whether you use Python, Ruby, PHP, C#, Node.js or Java.
Pricing:
- Open Source
#Email Delivery #Transactional Email #Email Marketing 11 social mentions
Postal Landing Page
4

Postal

Open source mail delivery platform, alternative to Mailgun or Sendgrid
Pricing:
- Open Source
#Email #Email Marketing #Transactional Email
Amazon SES Landing Page
5

Amazon SES

Scale your business email & marketing messages with Amazon Simple Email Service (SES), a cost-effective and reliable cloud email service. Sign up today.
Pricing:
- Open Source
#Email Delivery #Email Marketing #Transactional Email 65 social mentions
highlight.js Landing Page
6

highlight.js

Highlight.js is a syntax highlighter written in JavaScript. It works in the browser as well as on the server.
Pricing:
- Open Source
#App Reviews #Customer Feedback #Marketing Tools 51 social mentions
Surge XT Landing Page
7

Surge XT

Open-source subtractive-hybrid synthesizer formerly sold commercially as Vember Audio Surge.
Pricing:
- Open Source
#Email Marketing #Work Management #Cloud Computing 178 social mentions
PHPMailer Landing Page
8

PHPMailer

Email sending library for PHP.
Pricing:
- Open Source
#Email Marketing #Email Delivery #Transactional Email
Can I Email Landing Page
9

Can I Email

"Can I use" for email. Quickly view if a tech is supported by all email clients.
Pricing:
- Open Source
#Email Tools #Email Design #Email 4 social mentions
nuevoMailer Landing Page
10

nuevoMailer

Self-hosted email marketing, autoresponders, mailing lists, newsletters and email campaigns. Linux or Windows servers. PHP/MySQL/MariaDB.
Pricing:
- Open Source
- $139.0 / One-off
#Email Marketing #Self-Hosted Newsletter #Email Marketing Platforms
AudioKit Synth One Landing Page
11

AudioKit Synth One

Free & Open-source iPhone/iPad Synth 🎹
Pricing:
- Open Source
#Audio & Music #Email Marketing #Work Management 2 social mentions
techfacts.co.in
12

TechFacts

Technology Facts Everyday
Pricing:
- Open Source
#Technical Facts #Technology #Education